Best Rack Servers

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Compare the Top Rack Servers as of December 2025

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What are Rack Servers?

Rack servers are a type of computer server designed to be mounted in a standardized 19-inch server rack, allowing multiple servers to be housed in a single, compact physical space. These servers are designed for high-density environments, providing efficient use of space and better airflow management, which is essential for keeping components cool during extended use. Rack servers are commonly used in data centers and enterprise environments where there is a need for scalability, reliability, and centralized management. They typically offer high performance, easy maintenance, and are optimized for tasks like hosting websites, running applications, or handling large volumes of data. Rack servers can be equipped with various components such as CPUs, storage, and memory to meet specific business needs. Compare and read user reviews of the best Rack Servers currently available using the table below. This list is updated regularly.

  • 1
    Lenovo ThinkSystem Rack Servers
    From growing small businesses to enterprise workloads, Lenovo rack servers offer unmatched value, flexibility, and industry-leading efficiency to meet mission-critical demands with legendary quality and reliability. Storage flexibility support for M.2, U.2 NVMe, 4x simple-swap/hot-swap 3.5-inch or 10x 2.5-inch HDDs/SSDs. Supports optional NVIDIA Quadro P620 GPU. Optional redundant power supply units. Lenovo XClarity management for easy enterprise management. The Lenovo ThinkSystem SR250 is a single-processor rack server that integrates power, reliability, flexibility, and security in a compact 1U form factor suited for small-to-medium business or edge deployment. Featuring a high price-performance ratio courtesy of the next-generation Intel® Xeon® E-2200 CPU, the ThinkSystem SR250 boasts multiple configurations that provide the flexibility to handle workloads including web serving, virtualization, entry-cloud and data-analytics applications.
    Starting Price: $953.78
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  • 2
    SuperLogics Rackmount Servers
    SuperLogics builds Industrial Rackmount Servers to your server specifications. Select from a wide variety of options in our 19" Industrial Rackmount Servers. We offer various pre-configured motherboard rackmount servers in 1U, 2U, 3U, 4U, 5U rackmount server cases. Our rackmount servers are populated with the industry’s most trusted component manufacturers. To simplify designing the perfect rackmount server for the job, give us a call and allow us to quote a custom rack mount server PC for you.
    Starting Price: $1,025
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  • 3
    Intel Server System D50DNP Family
    Breakthrough performance and innovation for HPC and AI workloads. If you want to accelerate your HPC workloads, the Intel® Server D50DNP Family is the right platform for you. Powered by 4th Gen Intel® Xeon® Scalable processors or the Intel® Xeon® CPU Max Series, the Intel® Server D50DNP Family delivers exceptional compute performance, enhanced AI and in-memory analytics acceleration built into the processor, and increased I/O throughout versus previous generation servers. Delivers breakthrough memory bandwidth (1TB/sec) with on-chip, High Bandwidth Memory (HBM2e) for memory-intensive workloads. You can deploy and adapt the Intel® Server D50DNP Family to meet your ever-changing needs. Compute, management, and accelerator modules enable you to easily scale cluster resources to fit workload demands. Advanced, next-generation AI and in-memory analytics accelerators are built into the processor to speed up HPC workloads.
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  • 4
    Intel Server System D50TNP Family
    Extraordinary performance, capacity and versatility, combined with four distinct, purpose-built modules for computing, management, storage, and acceleration, make the Intel® Server System D50TNP Family the easy server choice for your HPC and AI workloads. Compute performance is delivered by 3rd Gen Intel® Xeon® Scalable processors, with up to 40%1 higher performance than the previous generation. The new accelerator module supports up to four 300W PCIe accelerator cards. And the storage module provides high-speed storage with up to 1PB capacity in a single 2U chassis. Intel® Server System D50TNP Family combined with four distinct, purpose-built modules for computing, management, storage, and acceleration for your HPC and AI workloads. Deliver outstanding per-core performance, with up to 40 cores per processor. Delivers up to 40% higher performance (SPECrate2017_int_base) versus the previous generation.
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  • 5
    Fujitsu PRIMERGY Server
    In today's rapidly evolving business landscape, IT plays an increasingly important role in enabling organizations to stay competitive and meet their customers' demands. To keep up with the latest IT trends, companies need to have the right infrastructure in place, including servers that can handle a wide range of workloads and business demands. Fujitsu PRIMERGY Server systems are an ideal solution for this purpose, delivering workload-optimized x86 industry-standard servers that can meet the needs of any business. Recognizing that there is no one-size-fits-all solution, Fujitsu offers a comprehensive server portfolio that includes expandable tower servers, versatile rack-mount servers, density-optimized multi-node servers, and GPU servers purpose-built for AI and VDI. All of these systems are designed to handle multiple and computing-intensive workloads, but each server is optimized for specific use cases.
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  • 6
    FUJITSU Server PRIMEQUEST
    Combining the power of Intel® Xeon® Processor Scalable Family, the standard specifications of Microsoft Windows and Linux operating systems, and the wealth of market solutions with innovative RAS features for the highest availability and business continuity, FUJITSU Server PRIMEQUEST systems provide new levels of operational efficiency for business and mission-critical computing with truly open standards and deliver the highest performance. FUJITSU Server PRIMEQUEST systems combine the efficiency of an x86-architecture with the reliability levels rivaling that of a UNIX/mainframe architecture. This makes it ideal for processing Big Data, In-memory solutions such as SAP HANA® and Business Intelligence applications while preserving all the RAS qualities for maximum uptime. Octo-socket rack server that offers superior performance, reliability, and optimized economics for business-critical workloads.
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  • 7
    Supermicro Ultra
    Uncompromised 2-processor design for performance supporting the highest CPU TDPs. Best-in-class server features including all NVMe, hybrid storage, and low latency optimizations. Vast networking and expansion possibilities including Max/IO and Ultra Riser cards. 32 DIMM Slots, up to 8TB DDR4-3200 memory, or 12TB with 16x 256GB DRAM and 16x 512GB Intel® Optane™ persistent memory 200 series. Dual 3rd Gen Intel® Xeon® Scalable processors up to 270W TDP or dual 3rd Gen AMD EPYC™ processors. Up to 24x 2.5" hot-swap NVME/SATA/SAS drive bays; Up to 22x 2.5" NVMe hybrid; Optional RAID support. Up to 8 PCI-E 4.0 slots with flexible onboard 1/10/25G Ethernet options. Supermicro hyper-speed and hyper-turbo technologies are proprietary board-level optimizations for extremely low-latency performance. These technologies are made possible with the latest VRM components as well as optimized firmware to focus on flexible tuning.
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  • 8
    Supermicro Hyper
    High-performance systems with rear I/O and front I/O configurations. Lightning-fast storage with latest-generation PCIe 5.0 NVMe SSDs. Networking flexibility with AIOM (OCP 3.0 compliant) NIC support. Ultimate performance and configurability for enterprise and Telco applications. Telco optimized configurations include short-depth, carrier-grade (NEBS Level 3) Hyper-E servers. Toolless design to simplify serviceability and lower maintenance time. Up to 32 DIMM Slots, up to 8TB DDR5-4800 memory, and support for Intel® Optane™ persistent memory. 2000W/1300W/1200W redundant Titanium level (96%). Dual 4th Gen Intel® Xeon® Scalable processors up to 350W TDP. Up to 24 2.5" hot-swap NVMe/SATA/SAS drive bays; Optional RAID support via AOC.
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  • 9
    Supermicro DCO

    Supermicro DCO

    Supermicro

    Data Center Optimized (DCO) is designed to align with complex requirements of floorspace and energy in order to achieve lower Total Cost of Ownership (TCO). Improved thermal architecture and high-efficiency power supplies for data center operation. Short-depth design for server deployments where space and power are at a premium. Up to 8 DIMM slots, up to 2TB DDR4 memory, Intel® Optane™ DC persistent memory. Dual Intel® Xeon® Scalable processors up to 140W TDP. Up to 8x 2.5" drives in 1U, or 4 x 3.5" drives in 1U. 1 PCI-E FHHL expansion slot. Power efficient components and high efficiency (up to 94% Platinum Level) power supplies allow higher operating temperatures. Many DCO servers are designed with less than 20" chassis depth for more deployment possibilities and better operational efficiency. Supermicro Ultra SuperServers are designed to deliver the highest performance, flexibility, scalability and serviceability to demanding IT environments.
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  • 10
    Supermicro Max IO
    Supermicro Max IO solutions are resource optimized, cost-effective, and ideal for space-constrained applications. Supermicro's highly dense yet compact server designs provide excellent computing, networking, storage and I/O expansion. These servers utilize Supermicro optimized thermal designs to save energy, operate at lower decibels and minimize system power consumption. Several models provide redundant power and cooling options and run at an extended temperature range. Supermicro's high quality assures reliable, long life and uninterrupted operation. Supermicro Max IO solutions support a range of Intel® technologies for a diverse portfolio of use cases. Support for high-performance enterprise-level Socket P processors enables customers to meet the requirements of applications including industrial automation (IPC), medical imaging, intelligent transport, digital signage, digital security and surveillance, networks, storage appliances, edge computing and more.
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  • 11
    Supermicro Mainstream
    Highly versatile servers to enable a wide variety of enterprise server applications. Choices of multiple form factors including rackmount, short-depth rackmount and tower. A rich selection of storage options, AOCs, CPU TDP, and memory speed support. The mainstream application-optimized SuperServer® product family from Supermicro is a series of servers designed for entry-level or volume selections. Enterprise IT managers can choose the exact model for their applications, with a precise set of integrated features needed for their applications. The Mainstream product family provides the lowest entry point in terms of cost for an Intel® Xeon® based rackmount server. With the latest Intel® Xeon® E-2100 processor now offering up to 6 cores per server, with up to 128GB of DDR4 memory, and up to two M.2 NVMe/SATA3 slots there has never been so much value offered at 1U entry-level price points. Up to 16 DIMM Slots, up to 4TB DDR4-3200 memory, support for Intel® Optane™ persistent memory 200.
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  • 12
    Supermicro WIO

    Supermicro WIO

    Supermicro

    Best reconfigurability of storage and networking options for the perfect fit of custom applications. A range of form factors for more deployment possibilities with 1U, 2U and short-depth models. Supermicro WIO SuperServer® systems offer a wide range of I/O options to deliver truly optimized systems for specific requirements. Users can optimize the storage and networking alternatives to accelerate performance, increase efficiency and find the perfect fit for their applications. In addition to enabling customizable configurations and optimization for multiple application requirements, Supermicro WIO SuperServers also provide attractive cost advantages and investment protection. 8 DIMM slots, up to 2TB DDR5-4800 memory, support for Intel® Optane™ persistent memory. Single 4th Gen Intel® Xeon® Scalable processor up to 350W TDP or Single AMD EPYC™ 9004 series processor up to 400W TDP. 750W/650W/600W/500W Redundant Platinum (up to 94%).
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  • 13
    Supermicro CloudDC
    All-in-one rackmount platform for cloud data centers. Compact 2U system that supports up to two double-width GPUs in a 25.5" chassis. 4-12 SATA/SAS drive bays with optional full NVMe support in select SKUs. 2 or 4 PCI-E x16 slots and dual AIOM (OCP 3.0 superset) slots for maximum data throughput. The secure root of trust, total memory encryption, and software guard extension. Toolless design for rapid deployment and easy maintenance. Up to 16 DIMM Slots, up to 4TB DDR5-4800 memory, and support for Intel® Optane™ persistent memory. Single/Dual 4th Gen Intel® Xeon® Scalable processors up to 350W TDP or Single AMD EPYC™ 9004 series processor up to 400W TDP. Up to 12 3.5" hot-swap NVMe/SATA/SAS drive bays; Optional RAID support via RAID AOC. Redundant 860W/1200W Titanium level (96%). Optimized for cloud data centers, our H12 CloudDC servers provide next-generation technology that can help you deliver cost-optimized services in an increasingly competitive economy.
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  • 14
    Oracle SPARC Servers
    Oracle SPARC servers deliver high performance, security, and uptime for customers’ database and Java workloads. Organizations lower the cost of modernizing UNIX infrastructure with scale-up and scale-out designs that include the Oracle Solaris operating system and virtualization software at no additional cost. Customers’ workloads run faster using the built-in acceleration of Oracle Database and Java, resulting in lower total cost of ownership (TCO). Silicon Secured Memory and end-to-end hardware data encryption secure customer data while maintaining excellent performance. Hardware optimizations for Oracle Database and Java, such as Data Analytics Acceleration, enable customers to run Oracle applications faster and more efficiently.
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  • 15
    QCT QuantaGrid
    QCT (Quanta Cloud Technology) QuantaGrid servers are a family of high-performance, scalable, and energy-efficient rackmount servers designed for use in data centers and cloud computing environments. These servers are engineered to deliver exceptional performance and flexibility for a wide range of workloads, including virtualization, high-performance computing (HPC), big data analytics, artificial intelligence, and machine learning (ML). QuantaGrid servers are known for their modular design, allowing for easy customization and configuration based on the specific needs of the deployment. Key features of the QuantaGrid series include support for the latest Intel or AMD processors, high memory capacity, various storage options including NVMe drives, and efficient thermal management for optimized performance and energy savings. With a focus on reliability, scalability, and ease of management, QCT QuantaGrid servers provide organizations with robust solutions for handling data workloads.
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  • 16
    QCT STRATOS
    QCT (Quanta Cloud Technology) STRATOS servers are a comprehensive family of hyperscale, software-defined data center solutions designed to meet the evolving demands of cloud computing, storage, and networking workloads. The STRATOS series encompasses a wide range of server form factors, including rackmount, blade, and multi-node servers, offering versatile and customizable configurations to address diverse deployment requirements. With a focus on energy efficiency, high density, and scalability, QCT STRATOS servers are optimized for use in large-scale data centers, cloud service providers, and high-performance computing (HPC) environments. Key features of the STRATOS series include support for the latest Intel or AMD processors, high-capacity memory configurations, flexible storage options, and innovative thermal management for optimal performance. QCT's STRATOS servers also emphasize ease of management and integration with software-defined infrastructure to enable IT operations.
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  • 17
    QCT QuantaMicro
    QuantaMicro, developed by Quanta Computer, is a complete microserver line that is designed with a focus on achieving high density, cost efficiency, energy efficiency, and low power consumption. Specifically engineered to address the increasing demands of hyper-scale workloads, QuantaMicro servers are optimally suited for deployment in modern data centers where they excel at handling a growing variety of large-scale computational tasks. With their dedication to efficient performance and resource optimization, QuantaMicro servers offer a compelling solution for organizations seeking to enhance their data center capabilities​.
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  • 18
    QCT QuantaPlex
    The QCT QuantaPlex series is a sophisticated line of multi-node servers that deliver exceptionally high density and computing performance, making them ideal for data-intensive applications. Designed with a shared infrastructure approach, the QuantaPlex series offers the flexibility to accommodate various workloads, including large-scale data computing, data storage, and business-critical applications. By maximizing space utilization and optimizing cooling and energy efficiency, the QuantaPlex series effectively reduces total cost of ownership (TCO) while providing organizations with a powerful and versatile solution for meeting their data center and computing needs​.
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  • 19
    QCT QuantaEdge
    The QCT QuantaEdge series encompasses a dynamic range of edge server solutions designed for diverse deployment scenarios, from on-premises edge to regional edge, and from Open RAN-based telecommunications infrastructure to enterprise private networks. QuantaEdge servers are built as Commercial Off-The-Shelf (COTS) products, featuring high flexibility and expandability to accommodate varying network requirements. These servers are designed with an emphasis on minimized power consumption and a compact hardware footprint, making them ideal for network function disaggregation and virtualization. A key advantage of the QuantaEdge series is its ability to enable zero-touch provisioning, streamlining the deployment and management of network resources, and enhancing operational efficiency​.
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  • 20
    IEI Grand Series
    A 10GbE (10 Gigabit Ethernet) network is essential for businesses that demand high bandwidth for virtualization and fast backup and restore for an ever-growing amount of data. IEI provides a range of 10GbE-ready storage servers as an affordable and reliable storage solution for 10GbE environments. 10GbE connectivity delivers ten times as much bandwidth as 1GbE, allowing for greater deployment of services and providing an immediate boost to overall network performance. All storage server series are designed with 10GbE readiness and can be immediately upgraded by purchasing and installing a 10GbE network adapter. IEI storage servers are also available with 10GbE as standard. It's a hardware-independent and efficient way to use software RAID with OS support. The software RAID function is already built in Windows storage systems and Windows 10. It’s also easy to get open-source support for Linux systems. Additionally, there’s no extra charge for RAID functionality.
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  • 21
    Hitachi UCP RS
    Achieve business agility and simplicity with your hybrid cloud with Hitachi Unified Compute Platform RS (UCP RS), powered by VMware cloud foundation, to deliver your software-defined data center (SDDC) cloud. To simplify your hybrid cloud journey, Hitachi Unified Compute Platform RS (UCP RS) series provides a turnkey solution that reduces the total cost of ownership (TCO) and improves security. The SDDC solution accelerates the time to market with a natively integrated cloud infrastructure stack that comes prepackaged with management software, to provide automated, policy-based IT operations. Turnkey delivery of pre-integrated, prevalidated SDDC. Automation that deploys an entire cloud infrastructure in hours, not weeks or months. Rapid, repeatable application deployment. Connect external storage systems with optional Fibre Channel host bus adapter (HBA) support on a per-node basis. Move your workload across data centers to meet changing business needs.
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  • 22
    iXsystems iX Series
    The iXsystems iX Series is a line of enterprise-grade rackmount servers designed to deliver reliable performance, versatility, and scalability for a wide range of workloads. The iX Series includes servers with various configurations, such as the iX-1104A, which features a 1U form factor, a single Intel Xeon E-2300 processor, four DIMM slots with support for up to 128GB of total memory, and dual 1GbE network connectivity. The iX-1104A also provides flexible storage options, including two SATA/SAS/NVMe drive bays and two additional SATA/SAS bays. Additionally, the server is equipped with PCI-E 4.0 slots and an M.2 slot, allowing for expandability and customization based on the needs of the deployment. Overall, the iXsystems iX Series servers are built to offer robust performance and efficiency for modern data centers and IT environments​.
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  • 23
    Inspur Servers
    Delivering flexible performance through configurable options for data centers of all scales. Supporting leading storage technologies like E3.S and E1.S, PCIe Gen5, and CXL. Redefining power efficiency by raising PSU density up to 4%. Strengthening open collaboration for greater product reliability, and efficiency. Increased redundancy in BIOS/BMC and components for stable operation. Increased security with boot memory inspection, and MFP memory protection. Hardware redundancy from software design reduces system downtime and power consumption. Cloud-based operations and maintenance enable up to 95% fault diagnosis accuracy. End-to-end liquid cooling solutions. Intelligent temperature regulation and hardware architecture improve heat dissipation. Efficient packing technology reduces material volume by 90%, and plastic waste by 30%. 15% power reduction and real-time carbon emissions monitoring through dynamic power management.
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  • 24
    Pogo Linux

    Pogo Linux

    Pogo Linux

    Our best-selling Intel® Modular Servers and AMD Epyc™ Servers deliver next-generation 3rd Gen Intel® Xeon® Scalable, Intel Core i9®, and AMD Epyc™ processor innovations for cloud computing, virtualization, big data, highly-transactional workloads, and more. High-density space and energy-efficient HPC servers make the most of your available rack space. NVIDIA® GPU servers provide an immense quantity of compute cores to take on massively multithreaded next-generation workloads. Ready for the latest 3rd Gen Intel® Xeon® Scalable processors and Optane™ DC persistent memory, our new line of Intrepid Servers takes full advantage of Intel’s latest innovations. Intrepid servers deliver exceptional versatility and modularity along with the hardware quality and longevity you’ve come to expect from Intel. Built on the industry’s first 7nm architecture, this 3rd generation AMD EPYC™ Servers are designed for the data center of tomorrow.
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  • 25
    Cisco UCS X-Series
    IDC predicts that by 2023, 300 percent more applications will run in data center and edge locations and 500 million digital applications and services will be developed using cloud-native approaches. Supercharge your apps with this 2-socket modular server with 4th Gen Intel Xeon Scalable processors. Embrace what's coming through a system that supports rapid innovation with simplified management from the cloud. Be more efficient with a scalable operating model and adaptable hybrid cloud infrastructure. Instantly consolidate any app onto an efficient modular, scalable platform. Link up with UCS X-Fabric Technology to connect PCIe nodes to compute nodes.
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  • 26
    Cisco UCS C-Series
    Tackle all of your workload challenges using cloud-based management with Cisco Intersight for simpler, smarter, and more agile computing. Simplify and automate operations across your entire infrastructure from one place with Cisco Intersight. Then, no matter where you are, you can focus on where you're needed most. Unlock savings on UCS with AMD. For a limited time, buy three servers, get one free. Optimize workloads across your hybrid cloud with the flexibility you need to keep everything running smoothly on-premises. Keeping track of new tech, evolving trends, and best practices is a full-time job. Let our CX team guide you through it all.
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  • 27
    Cisco UCS S-Series
    Our modular architecture lets you right-size infrastructure for the workload and operate with the efficiency and predictable TCO you need. Data is growing exponentially. The need to scale your storage quickly and cost-effectively is vital. Whether you use spinning disk, SSD, NVMe, or a combination of each, the Cisco UCS S-Series has you covered to scale to Petabytes in minutes. Emerging applications are pushing performance limits as data moves closer to compute. A dual server node architecture using 2nd Gen Intel® Xeon® Scalable processors and Intel Xeon Scalable processors strikes the right balance between compute and capacity. Making the right investment in technology can have significant long-term benefits. The Cisco UCS S-Series provides maximum investment protection through multi-generational system design and the flexibility to fit to your unique requirements.
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  • 28
    CIARA ORION Rack Server
    Our industry-leading single-socket or dual-socket high-performance CIARA ORION rack servers offer unmatched flexibility, scalability, and efficiency to handle all your critical workloads. Our ORION products are designed for speed, expansion, and optimized CPU-intensive projects. Compatible with both Intel® Xeon® Processor Scalable Family and AMD EPYC® processors, ORION servers provide incredible design options for cloud service providers and hyperscale IT data center workloads. The versatile and highly reliable ORION compute rack server product line is built with the latest technology to guarantee compatibility, and a balance of storage capacity, processing power, and cost efficiency. The security will provide you with peace of mind along with unprecedented reliability. It is ideal for SMBs, enterprises, cloud service providers and data centers. Reduce IT infrastructure costs with our reliable and scalable servers.
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  • 29
    CIARA ORION High Density (HD) Server
    Our industry-leading single socket or dual socket high-performance CIARA ORION High Density (HD) servers offer unmatched flexibility, scalability, and efficiency to handle all your critical workloads. The ORION HD products offer the industry’s best density of cores per rackmount unit in order to guarantee optimal rackmount utilization in any data center. Compatible with both Intel® Xeon® Processor Scalable Family and AMD EPYC® processors, ORION High-Density servers provide incredible design options for large-scale deployment of high-density IT and HPC workloads. The ORION high-density server product line is built with the latest silicon technology to provide the best performance, and support of the highest TDP of the industry alongside a vast array of storage options and extensive add-on card support. It is ideal for infrastructure consolidation, academic research, cloud & hosting providers as well as high-performance computing applications.
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  • 30
    CIARA ORION HF
    Ultra-fast market analysis and order execution are only possible with the best algorithms powered by reliable high-performance servers. Built with single Intel® Core™ i9 i9-10980XE / i9-7980XE or dual Intel® Xeon® Scalable processors, CIARA ORION high-frequency servers are specifically designed to meet all of your ultra-fast processing needs to stay ahead of the high-frequency trading competition. Our hardware is built for the highly regulated and fast-paced trading and foreign exchange industries. With more than 10,000 computers running in 28 stock exchanges worldwide, you can trust CIARA ORION high-frequency servers to deliver the reliability, scalability, and security your customers require and deserve. All of our systems are validated and optimized with Xilinx (Solarflare), Nvidia (Mellanox), Cisco (Exablaze), and Intel® (Altera). CIARA ORION high-frequency servers power the trading community.
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