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Gigabyte R281-N40 Barebone System 2U Rack-mountable Socket P LGA-3647 2 x Processor Support Intel C621 Express Chip 128 GB DDR4 SDRAM DDR4-2933/PC4-23466 Maximum RAM Support 24 Total Memory Slots Serial ATA/600 RAID Supported Controller AS R281N40

Gigabyte R281-N40 Barebone System 2U Rack-mountable Socket P LGA-3647 2 x Processor Support Intel C621 Express Chip 128 GB DDR4 SDRAM DDR4-2933/PC4-23466 Maximum RAM Support 24 Total Memory Slots Serial ATA/600 RAID Supported Controller AS R281N40
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General Information
  • 2nd Gen. Intel® Xeon® Scalable and Intel® Xeon® Scalable Processors
  • 6-Channel RDIMM/LRDIMM DDR4, 24 x DIMMs
  • Supports Intel® Optane™ DC Persistent Memory
  • Dual 1Gb/s LAN ports (Intel® I350-AM2)
  • 1 x Dedicated management port
  • 4 x 2.5" U.2, 22 x SATA/SAS hot-swappable HDD/SSD bays
  • 8 x PCIe Gen3 expansion slots
  • 1 x OCP Gen3 x16 mezzanine slot
  • Aspeed® AST2500 remote management controller
  • Dual 1200W 80 PLUS Platinum redundant power supply

2nd Generation Intel® Xeon® Scalable Family Ready

GIGABYTE's servers are fully ready to support the second generation of Intel® Xeon® Scalable Family processors, codenamed "Cascade Lake", which bring the following major enhancements:

  • Intel® Optane™ DC Persistent Memory: Built-in support for this revolutionary new product based on Intel's 3D Xpoint technology
  • Overall Performance: Higher CPU frequencies, improved turbo profiles vs. prior-gen Intel Xeon Scalable processors
  • Increased DDR4 Memory Speed & Capacity: Up to 2933MHz (1 DIMM per channel on some SKUs), 16Gb based DIMM supported
  • Intel Deep Learning Boost: Significantly accelerates inference performance for deep learning workloads optimized to use VNNI (Vector Neural Network Instructions)
  • Security: Hardware mitigations for Meltdown / Spectre security vulnerabilities

Intel® Xeon® Scalable Family Processors

GIGABYTE's Intel® Xeon® Scalable Processor family servers are available in dual socket configurations, and are compatible with the full family of different SKUs (Bronze, Silver, Gold and Platinum) that are workload optimized to support different applications, from enterprise IT database, cloud and storage to the most high-demand HPC workloads.

Advanced features built into the silicon include:

  • Intel® QAT: Speed up data compression and cryptography with integrated Intel QuickAssist Technology (QAT).
  • Intel® AVX-512: Intel Advanced Vector Extension 512 instruction set architecture enables workload-optimized performance and throughput increases for advanced analytics, high performance computing (HPC) applications, and data compression.
  • Intel® VROC: Intel Xeon Scalable Processors come with built-in support for Intel VROC (Virtual RAID on CPU). And GIGABYTE Intel Xeon Scalable NVMe SKU servers all ship with an Intel VROC module as standard.
  • Intel® Omni-Path: Selected GIGABYTE servers support CPU SKUs with integrated Intel Omni-Path Fabric connection

Intel® Optane™ DC Persistent Memory Ready

GIGABYTE's second generation Intel® Xeon® Scalable family servers come ready to support Intel Optane DC Persistent Memory, a revolutionary new product that re-defines traditional memory & storage architectures by enabling a large persistent memory tier between DRAM and SSDs, that's higher capacity than DRAM and faster than SSDs, enabling the user to bring more data closer to the CPU for faster time for insight.

Optane DC Persistent Memory Modules ("DCPMM") integrate seamlessly into existing DDR4 DIMM slots, and use Intel's 3D Xpoint memory technology, which unlike DRAM retains data after power is removed. The modules will be available in capacities up to 512GB - a massive increase compared to the current maximum 128GB of industry-leading DDR4 memory sticks - and can be addressed by the OS or application either as memory (Memory Mode) or storage (Application Direct Mode).

Number of Processors Supported:2
Processor Socket:Socket P LGA-3647
Processor Supported:Xeon Platinum
Processor Supported:Xeon Gold
Processor Supported:Xeon Silver
Processor Supported:Xeon Bronze
64-bit Processing:Yes

Chipset Manufacturer:Intel
Chipset Model:C621 Express

Maximum Memory Supported:128 GB
Memory Technology:DDR4 SDRAM
Memory Standard:DDR4-2933/PC4-23466
Number of Total Memory Slots:24

Controller Type:Serial ATA/600
RAID Supported:Yes

Display & Graphics
Graphics Controller Manufacturer:ASPEED
Graphics Controller Model:AST2500

Network & Communication
Ethernet Technology:Gigabit Ethernet

I/O Expansions
Number of Total Expansion Bays:26
Number of Internal 2.5" Bays:26
Number of Total Expansion Slots:8

Total Number of USB Ports:5
Number of USB 3.0 Ports:5
Number of SATA Interfaces:2

Operating System
Operating System Supported:Windows Server 2012 R2 x64
Operating System Supported:Windows Server 2016
Operating System Supported:Windows Server 2019
Operating System Supported:Red Hat Enterprise Linux 6.9 x64
Operating System Supported:Red Hat Enterprise linux 7.3 x64
Operating System Supported:SuSE Linux Enterprise Server 11.4 x64
Operating System Supported:SUSE Linux Enterprise Server 12.2 x64
Operating System Supported:SuSE Linux Enterprise Server 15 x64
Operating System Supported:Ubuntu 16.04.1 LTS x64
Operating System Supported:Ubuntu 18.04 LTS x64

Power Description
Input Voltage:120 V AC
Input Voltage:230 V AC
Number of Power Supplies Installed:2
Maximum Power Supply Wattage:1200 W

Physical Characteristics
Form Factor:Rack-mountable
Rack Height:2U
Weight (Approximate):44.09 lb

Package Contents:
  • R281-N40 (rev. 300) Barebone System
  • 2 x CPU Heatsinks
  • 1 x Rail Kit
  • 1 x VROC Module
  • 2 x Non-Fabric CPU Carrier
Environmentally Friendly:Yes
Environmental Certification:RoHS
Country of Origin:China

Limited Warranty:1 Year

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

Special Order Item

This item ships directly from the manufacturer and is not stocked in our warehouse. If stock is available at the manufacturer, the item will ship directly to you, usually within 7 - 15 business days.

Once the order has been sent to the manufacturer it can no longer be canceled.

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You must contact the manufacturer directly regarding returns and defective items.

We will contact you by email if the item is sold out or backordered (and we were unable to update the site before you placed the order) or if the item will be delayed longer than expected.

We have no control over the speed of the manufacturer's order processing, or whether they will honor your request to ship the item by any particular method.

  • UPC: 889523011706 
  • Mfr's Part #: R281-N40