• Dimensions (WxHxD, mm)
    Dimensions (WxHxD, mm)
    2U
    448 x 87.5 x 800
  • Motherboard
    Motherboard
    MG51-G21
  • CPU
    CPU
    Intel® Xeon® Processor Scalable Family
    Intel® Xeon® Platinum Processor, Intel® Xeon® Gold Processor, Intel® Xeon® Silver Processor and Intel® Xeon® Bronze Processor
    NOTE: If only 1 CPU is installed, some PCIe or memory functions might be unavailable
  • Socket
    Socket
    2 x LGA 3647
    Socket P
    TDP up to 205W
  • Chipset
    Chipset
    Intel® C621 Express Chipset
  • Memory
    Memory
    24 x DIMM slots
    DDR4 memory supported only
    6-channel memory architecture
    RDIMM modules up to 64GB supported
    LRDIMM modules up to 128GB supported
    1.2V modules: 2666/2400/2133 MHz
  • LAN
    LAN
    2 x 10Gb/s BASE-T LAN ports (Intel® X550-AT2)
    1 x 10/100/1000 management LAN
  • Video
    Video
    Integrated in Aspeed® AST2500
    2D Video Graphic Adapter with PCIe bus interface
    1920x1200@60Hz 32bpp, DDR4 SDRAM
  • Storage
    Storage
    8 x 2.5" hot-swappable HDD/SSD bays
    SAS card is required for SAS devices support
  • SATA
    SATA
    1 x 7-pin SATA III 6Gb/s with SATA DOM supported
    By using pin_8 or external cable for power function
  • SAS
    SAS
    Supported via add-on SAS Card
  • RAID
    RAID
    Intel® SATA RAID 0/1/10/5
  • Peripheral Drives
    Peripheral Drives
    -
  • Expansion Slots
    Expansion Slots
    8 x PCIe x16 slots (Gen3 x16 bus) for GPUs
    2 x PCIe x16 (Gen3 x16 bus) Half-length low-profile slots
    OCP type add-on card as an option

    - Maximum limitation of GPU card: 285mm (L) x 111.5mm (W) x 39.5mm (H)
    - System is validated for population with a uniform GPU model
    - Support is not provided for mixed GPU populations
    - For the latest GPU cards QVL, please contact your GIGABYTE representative
  • Internal I/O
    Internal I/O
    1 x 18-pin power connector
    1 x 14-pin power connector
    2 x 8-pin power connectors
    2 x 4-pin power connectors
    1 x USB 3.0 header
    1 x TPM header
    1 x VROC connector
    1 x HDD back plane board header
    1 x 12-pin front panel header
    1 x 23-pin front panel header
    1 x JTAG header
    2 x SATA SGPIO headers
    1 x Front VGA header
    1 x Serial header
    1 x IPMB connector
    1 x P12V standby connector
    1 x PMBus selection jumper
    1 x Clear CMOS jumper
    1 x LT debug jumper
  • Front I/O
    Front I/O
    1 x Power button with LED
    1 x ID button with LED
    2 x LAN activity LEDs
    1 x HDD activity LED
    1 x System status LED
    1 x Reset button
  • Rear I/O
    Rear I/O
    2 x USB 3.0
    1 x VGA
    2 x RJ45
    1 x MLAN
    1 x Power button with LED
    1 x ID button with LED
    1 x Reset button
    1 x NMI button
    1 x System status LED
  • Backplane I/O
    Backplane I/O
    8 x SAS/SATA ports
    Bandwidth: SATAIII 6Gb/s or SAS 12Gb/s per port
    SAS card is required for SAS devices support
  • TPM
    TPM
    1 x TPM header with SPI interface
    Optional TPM2.0 kit: CTM010
  • Power Supply
    Power Supply
    2 x 2000W redundant PSU
    80 PLUS Titanium

    AC input:
    - 1000W: 100-127V/ 12-9.5A, 50-60Hz
    - 1800W: 200-220V/ 10-9.5A, 50-60Hz
    - 1980W: 220-230V/ 10-9.8A, 50-60Hz
    - 2000W: 230-240V/ 10-9.8A, 50-60Hz

    DC output:
    Max 1000W@100-127V:
    +12V/ 83.3A
    +12Vsb/ 2.1A
    1800W@200-220V
    +12V/ 150.0A
    +12Vsb/ 2.1A
    1980W@220-230V
    +12V/ 165.0A
    +12Vsb/ 2.1A
    2000W@200-240V
    +12V/ 166.7A
    +12Vsb/ 2.1A
  • System Management
    System Management
    Aspeed® AST2500 management controller
    Avocent® MergePoint IPMI 2.0 web interface:
    • Network settings
    • Network security settings
    • Hardware information
    • Users control
    • Services settings
    • IPMI settings
    • Sessions control
    • LDAP settings
    • Power control
    • Fan profiles
    • Voltages, fans and temperatures monitoring
    • System event log
    • Events management (platform events, trap settings, email settings)
    • Serial Over LAN
    • vKVM & vMedia (HTML5)
  • OS Compatibility
    OS Compatibility
    Windows Server 2012 R2 (x64) Update1
    Windows Server 2016

    Red Hat Enterprise Linux 6.9 (x64)
    Red Hat Enterprise Linux 7.3 (x64)

    SUSE Linux Enterprise Server 11.4 (x64)
    SUSE Linux Enterprise Server 12.2 (x64)

    Ubuntu 16.04.2 LTS (x64)

    VMware ESXi 6.5
  • Weight
    Weight
    Net Weight: 30 kg
    Gross Weight: 36 kg
  • System Fans
    System Fans
    8 x 80x80x38mm (16300rpm)
  • Operating Properties
    Operating Properties
    Operating temperature: 10°C to 35°C
    Operating humidity: 8%-80% (non-condensing)
    Non-operating temperature: -40°C to 60°C
    Non-operating humidity: 20%-95% (non-condensing)
  • Packaging Content
    Packaging Content
    1 x G291-281
    2 x CPU heatsinks
    1 x Rail kit
    2 x Non-Fabric CPU carrier
  • Part Numbers
    Part Numbers
    - Barebone with rail kit: 6NG291281MR-00
    - Motherboard: 9MG51G21NR-00
    - Tool-less rail kit: 25HB2-A86102-K0R
    - Power supply: 25EP0-220003-C2S