G291-281 (rev. 100)

2U
448 x 87.5 x 800

MG51-G21

2nd Generation Intel^® Xeon^® Scalable and Intel^® Xeon^® Scalable Processors
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

2 x LGA 3647
Socket P
TDP up to 205W

Intel^® C621 Express Chipset

24 x DIMM slots
DDR4 memory supported only
6-channel memory architecture
RDIMM modules up to 64GB supported
LRDIMM modules up to 128GB supported
Supports Intel^® Optane™ DC Persistent Memory (DCPMM)
1.2V modules: 2933/2666/2400/2133 MHz

Maximum verified DCPMM configuration:

* Ambient temperature 35°C
* 2nd Generation Intel® Xeon® Scalable processor 205W (Max.)
* DCPMM 128GB x6 pcs

DCPMM installation locations:
DIMM_P1_( G1, H1, I1)
DIMM_P1_( J1, K1, L1)

NOTE:
1. 2933MHz for 2nd Generation Intel^® Xeon^® Scalable Processors only
2. Intel^® Optane™ DC Persistent Memory for 2nd Generation Intel^® Xeon^® Scalable Processors only
3. The maximum number of DCPMM that can be installed is based on a maximum operating (ambient) temperature of 35°C
4. To enquire about installing a greater number of DCPMM, please consult with your GIGABYTE technical or sales representative

2 x 10Gb/s BASE-T LAN ports (Intel^® X550-AT2)
1 x 10/100/1000 management LAN

Integrated in Aspeed^® AST2500
2D Video Graphic Adapter with PCIe bus interface
1920x1200@60Hz 32bpp, DDR4 SDRAM

8 x 2.5" hot-swappable HDD/SSD bays
SAS card is required for SAS devices support

1 x 7-pin SATA III 6Gb/s with SATA DOM supported
By using pin_8 or external cable for power function

Supported via add-on SAS Card

Intel^® SATA RAID 0/1/10/5

-

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

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

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

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

8 x SAS/SATA ports
Bandwidth: SATAIII 6Gb/s or SAS 12Gb/s per port
SAS card is required for SAS devices support

1 x TPM header with SPI interface
Optional TPM2.0 kit: CTM010

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

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)

For Skylake processors:

Windows Server 2012 R2 with Update
Windows Server 2016
Windows Server 2019

Red Hat Enterprise Linux 6.9 (x64) or later
Red Hat Enterprise Linux 7.3 (x64) or later
Red Hat Enterprise Linux 8.0 (x64) or later

SUSE Linux Enterprise Server 11.4 (x64) or later
SUSE Linux Enterprise Server 12.2 (x64) or later
SUSE Linux Enterprise Server 15 (x64) or later

Ubuntu 16.04.1 LTS (x64) or later
Ubuntu 18.04 LTS (x64) or later
Ubuntu 20.04 LTS (x64) or later

VMware ESXi 6.0 Update3 or later
VMware ESXi 6.5 or later
VMware ESXi 6.7 or later
VMware ESXi 7.0 or later

Citrix Xenserver 7.1.0 CU2 or later
Citrix Xenserver 7.4.0 or later
Citrix Hypervisor 8.0.0 or later

For Cascade Lake processors:

Windows Server 2012 R2 with Update
Windows Server 2016
Windows Server 2019

Red Hat Enterprise Linux 7.6 (x64) or later
Red Hat Enterprise Linux 8.0 (x64) or later

SUSE Linux Enterprise Server 12.3 (x64) or later
SUSE Linux Enterprise Server 15 (x64) or later

Ubuntu 18.04 LTS (x64) or later
Ubuntu 20.04 LTS (x64) or later

VMware ESXi 6.0 Update3 or later
VMware ESXi 6.5 Update2 or later
VMware ESXi 6.7 Update1 or later
VMware ESXi 7.0 or later

Citrix Xenserver 7.1.0 CU2 or later
Citrix Xenserver 7.5.0 or later
Citrix Hypervisor 8.0.0 or later

Net Weight: 30 kg
Gross Weight: 36 kg

8 x 80x80x38mm (16300rpm)

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)

NOTE: Please contact Technical Support for more information about optimized GPU system operating temperature

1 x G291-281
2 x CPU heatsinks
1 x Rail kit
2 x Non-Fabric CPU carrier

- Barebone with rail kit: 6NG291281MR-00
- Motherboard: 9MG51G21NR-00
- Tool-less rail kit: 25HB2-A86102-K0R
- Power supply: 25EP0-220003-C2S
- Fan module: 25ST2-883827-D0R
- 2 x NVMe cable kits: 6N0ASP035PR-W6 (optional)
- 2 x 7mm internal SSD cable kit: 6NG291281SR-00-100 (optional)