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Gigabyte G481-H81 Barebone

Up to 8 x NVIDIA Tesla® V100 PCIe GPGPU cards
Intel® Xeon® Processor Scalable Family
Intel® Omni-Path architecture technology support as an option
6-Channel RDIMM/LRDIMM DDR4, 24 x DIMMs
2 x 10Gb/s BASE-T LAN ports (Intel® X550-AT2)
2 x GbE LAN ports (Intel® I350-AM2)
1 x dedicated management port
12 x 3.5" SATA/SAS hot-swappable HDD/SSD bays
2 x low profile PCIe Gen3 expansion slots
Aspeed® AST2500 remote management controller
3 x 80 PLUS Platinum 1600W redundant PSU
Optimized performance with Mellanox Infiniband EDR and Ethernet 100G products
Total: $5,346.00
Total without tax: $5,346.00
Total discount:
Total Tax:
Dimensions (WxHxD, mm)
448 x 176 x 880
Motherboard in Barebone
12 x 3.5 inch hot-swappable HDD/SSD bays
Default configuration supports:
8 x SAS/SATA drives from PCH only
SAS card is required to enable remaining 4 x drive bays
Front I/O
2 x USB 3.0
1 x VGA
2 x RJ45
1 x MLAN (Reserved, enabled by cable switch)
4 x Onmi-Path QSFP28 LAN ports (Reserved)
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
1 x HDD access LED
1 x Onmi-Path activity LED
Backplane I/O
12 x 3.5 inch ports
Supports SATA 6Gb/s and SAS 12Gb/s
Power Supply
3 x 1600W redundant PSU
80 PLUS Platinum

AC Input:
100-127V~/ 12.9A, 50-60Hz
200-240V~/9.5A, 50-60Hz
DC Output: 
Max 1000W@100-127V
+12V/ 83A
+12Vsb/ 2.1A 
Max 1600W@200-240V
+12V/ 133A
+12Vsb/ 2.1A

C19 type power cord required
Net Weight: 39 kg
Gross Weight: 58.1 kg
System Fans
6 x 60x60x76mm (23,000rpm)
Part Numbers
Barebone with rail kit: 6NG481H81MR-00
Motherboard: 9MG61G40NR-00
Rail kit: 25HB2-420100-CGR
CPU heatsink: 25ST1-323206-A0R
Power supply: 25EP0-216005-C1S
C19 type power cord 125V/15A (US): 25CP1-018000-Q0R (optional)
C19 type power cord 250V/16A (EU): 25CP3-01830H-Q0R (optional)
C19 type power cord 250V/15A (US): 25CP1-018300-Q0R (optional)
Packaging Content
1 x G481-H81
2 x CPU heatsinks
1 x Rail kit
2 x Non-Fabric CPU carrier
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
2 x LGA 3647
Socket P
TDP up to 205W
Intel® C621 Express Chipset
24 x DIMM slots
DDR4 memory supported
6-channel memory architecture
RDIMM modules up to 64GB supported
LRDIMM modules up to 128GB supported
1.2V modules: 2666/2400/2133 MHz
Rear Side:
2 x 10Gb/s BASE-T LAN ports (Intel® X550-AT2)
1 x 10/100/1000 management LAN

Front Side:
2 x 1Gb/s BASE-T LAN ports (Intel® I350-AM2) 
4 x QSFP28 LAN ports with Intel® Omni-Path Host Fabric Interface (as an option)
Provides 25Gb/s bandwidth per port, total 100Gb/s bandwidth with 4 QSFP28 LAN ports

NOTE: Please select Intel® Xeon processors with Omni-Path Architecture to enable Intel® Omni-Path Host Fabric Interface
Integrated in Aspeed® AST2500
2D Video Graphic Adapter with PCIe bus interface
1920x1200@60Hz 32bpp, DDR4 SDRAM
Depends on RAID Card
Depends on RAID Card
For SATA/SAS drives:
Intel® SATA RAID 0/1/10/5
Expansion Slots
8 x PCIe x16 slots (Gen3 x16 bus) for GPUs
1 x PCIe x16 (Gen3 x8 bus) Half-length low-profile slot in front
1 x PCIe x16 (Gen3 x16 bus) Half-length low-profile slot at rear

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
1 x TPM header
1 x Front VGA header
1 x Serial header
Rear I/O
2 x RJ45
1 x MLAN (Primary port)
1 x TPM header with SPI interface
Optional TPM2.0 kit: CTM010
OS Supported
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
Board 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)
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)