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Gigabyte G291-Z20 Barebone

Supports up to 8 x double slot GPU cards
AMD EPYC™ 7000 series processor family
8-Channel RDIMM/LRDIMM DDR4, 8 x DIMMs
2 x SFP+ 10Gb/s LAN ports (Mellanox® ConnectX-4)
1 x Dedicated management port
8 x 2.5 inch hot-swappable HDD/SSD bays
2 x M.2 with PCIe Gen3 x4/x2 interface
8 x PCIe Gen3 expansion slots for GPUs
2 x PCIe x16 half-length low-profile slots for add-on cards
Aspeed® AST2500 remote management controller
Dual 2200W 80 PLUS Platinum redundant/hot-swap power supply
Total: $3,861.00
Total without tax: $3,861.00
Total discount:
Total Tax:
Dimensions (WxHxD, mm)
448 x 87.5 x 800
Motherboard in Barebone
AMD EPYC™ 7000 series processor family
Single processor, 14nm, Socket SP3
Up to 32-core, 64 threads
TDP up to 180W
Socket SP3
System on Chip
8 x DIMM slots
DDR4 memory supported only
8-Channel memory architecture
RDIMM modules up to 64GB supported
LRDIMM modules up to 128GB supported
Memory speed: 2666/2400/2133 MHz
2 x SFP+ 10Gb/s LAN ports (Mellanox® ConnectX-4)
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

Suggested 12Gb/s SAS cards:
Supported via add-on SAS Card
Expansion Slots
8 x PCIe x16 slots (Gen3 x16 bus) for GPUs
2 x PCIe x16 (Gen3 x16 bus) Half-length low-profile slots

1 x M.2 slot:
- M-key
- PCIe Gen3 x4
- Supports NGFF-2242/2260/2280/22110 cards

1 x M.2 slot:
- M-key
- PCIe Gen3 x2
- Supports NGFF-2242/2260/2280/22110 cards
Internal I/O
1 x TPM header
1 x Sli-SAS connectors
2 x M.2 slots
1 x Serial header
1 x Buzzer
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
2 x USB 3.0
1 x VGA
2 x SFP+
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
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
Power Supply
2 x 2200W redundant PSUs
80 PLUS Platinum

AC Input:
- 100-127V~/ 14A, 47-63Hz
- 200-240V~/ 12.6A, 47-63Hz

DC Output:
- Max 1200W/ 100-127V~
+12.12V/ 95.6A
+12Vsb/ 3.5A
- Max 2200W/ 200-240V
+12.12V/ 178.1A
+12Vsb/ 3.5A

NOTE: The system power supply requires C19 type power cord
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)
OS Supported
Windows Server 2012 R2 (x64)
Windows Server 2016

Red Hat Enterprise Linux 6.9
Red Hat Enterprise Linux 7.3

SUSE Linux Enterprise Server 11.4
SUSE Linux Enterprise Server 12 .2

Ubuntu 16.04
Ubuntu 17.04

VMware ESXi 6.5
System Fans
8 x 80x80x38mm (15000rpm)
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
1 x G291-Z20
1 x CPU heatsinks
1 x Rail kit
Part Numbers
- Barebone with rail kit: 6NG291Z20MR-00
- Motherboard: 9MZ21G20NR-00
- Tool-less rail kit: 25HB2-A86102-K0R
- Power supply: 25EP0-222001-D0S
- C19 type power cord 125V/13A (US): 25CP1-018000-Q0R (in option)
- C19 type power cord 125V/13A (EU): 25CP3-01830H-Q0R (in option)
- C19 type power cord 250V/15A (US): 25CP1-018300-Q0R (in option)