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- GPU Servers
- G291-Z20
- Supports up to 8 x Dual slot GPU cards
- AMD EPYC™ 7002 and 7001 series processors
- 8-Channel RDIMM/LRDIMM DDR4, 8 x DIMMs
- 2 x SFP+ 10Gb/s LAN ports (Mellanox® ConnectX-4 Lx)
- 1 x Dedicated management port
- 8 x 2.5" SATA hot-swappable bays
- 2 x M.2 slots with PCIe Gen3 x4/x2 interface
- 8 x FHFL PCIe Gen3 x16 slots for GPUs
- 2 x LP PCIe Gen3 x16 slots for add-on cards
- Aspeed® AST2500 remote management controller
- Dual 2200W 80 PLUS Platinum redundant/hot-swap power supply
- Optimized performance with Mellanox Infiniband EDR and Ethernet 100G products
* The entire materials provided herein are for reference only. GIGABYTE reserves the right to modify or revise the content at anytime without prior notice.
* Advertised performance is based on maximum theoretical interface values from respective Chipset vendors or organization who defined the interface specification. Actual performance may vary by system configuration.
* All trademarks and logos are the properties of their respective holders.
* Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount.
* Advertised performance is based on maximum theoretical interface values from respective Chipset vendors or organization who defined the interface specification. Actual performance may vary by system configuration.
* All trademarks and logos are the properties of their respective holders.
* Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount.
SPECIFICATIONS
Dimensions (WxHxD, mm)
2U
448 x 87.5 x 800
448 x 87.5 x 800
Motherboard
MZ21-G20
CPU
AMD EPYC™ 7002 series processors
Single processor, 7nm technology
Up to 64-core, 128 threads per processor
TDP up to 225W, cTDP up to 240W
Fully support 280W
Compatible with AMD EPYC™ 7001 series processors
Single processor, 7nm technology
Up to 64-core, 128 threads per processor
TDP up to 225W, cTDP up to 240W
Fully support 280W
Compatible with AMD EPYC™ 7001 series processors
Socket
1 x LGA 4094
Socket SP3
Socket SP3
Chipset
System on Chip
Memory
8 x DIMM slots
DDR4 memory supported only
8-Channel memory architecture
RDIMM modules up to 128GB supported
LRDIMM modules up to 128GB supported
Memory speed: Up to 3200*/2933 MHz
Note: Follow BIOS setting and memory QVL list if running 3200 Mhz
DDR4 memory supported only
8-Channel memory architecture
RDIMM modules up to 128GB supported
LRDIMM modules up to 128GB supported
Memory speed: Up to 3200*/2933 MHz
Note: Follow BIOS setting and memory QVL list if running 3200 Mhz
LAN
Rear side:
2 x SFP+ 10Gb/s LAN ports (Mellanox® ConnectX-4 Lx)
1 x 10/100/1000 management LAN
2 x SFP+ 10Gb/s LAN ports (Mellanox® ConnectX-4 Lx)
1 x 10/100/1000 management LAN
Video
Integrated in Aspeed® AST2500
2D Video Graphic Adapter with PCIe bus interface
1920x1200@60Hz 32bpp, DDR4 SDRAM
2D Video Graphic Adapter with PCIe bus interface
1920x1200@60Hz 32bpp, DDR4 SDRAM
Storage
SAS
Depends on SAS Add-on card
RAID
N/A
Expansion Slots
8 x PCIe x16 (Gen3 x16) FHFL slots, for GPUs
2 x PCIe x16 (Gen3 x16) 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
- 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
2 x PCIe x16 (Gen3 x16) 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
- 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
1 x TPM header
1 x Sli-SAS connectors
2 x M.2 slots
1 x Serial header
1 x Buzzer
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
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
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 Board
Speed and bandwidth:
SATA 6Gb/s or SAS 12Gb/s
SATA 6Gb/s or SAS 12Gb/s
TPM
1 x TPM header with LPC interface
Optional TPM2.0 kit: CTM000
Optional TPM2.0 kit: CTM000
Power Supply
2 x 2200W 80 PLUS Platinum redundant power supplies
AC Input:
- 100-127V~/ 14A, 47-63Hz
- 200-240V~/ 12.6A, 47-63Hz
DC Input:
- 240Vdc/ 12.6A
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 power cord
DC Input:
- 240Vdc/ 12.6A
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 power cord
System Management
Aspeed® AST2500 management controller
GIGABYTE Management Console (AMI MegaRAC SP-X) web interface
GIGABYTE Management Console (AMI MegaRAC SP-X) web interface
- Dashboard
- JAVA Based Serial Over LAN
- HTML5 KVM
- Sensor Monitor (Voltage, RPM, Temperature, CPU Status …etc.)
- Sensor Reading History Data
- FRU Information
- SEL Log in Linear Storage/Circular Storage Policy
- Hardware Inventory
- Fan Profile
- System Firewall
- Power Consumption
- Power Control
- LDAP / AD / RADIUS Support
- Backup & Restore Configuration
- Remote BIOS/BMC/CPLD Update
- Event Log Filter
- User Management
- Media Redirection Settings
- PAM Order Settings
- SSL Settings
- SMTP Settings
OS Compatibility
For AMD EPYC™ 7002 series processors
Windows Server 2016 (X2APIC/256T not supported)
Windows Server 2019
Red Hat Enterprise Linux 7.6 (x64) or later
Red Hat Enterprise Linux 8.0 (x64) or later
Red Hat Enterprise Linux 9.0 (x64) or later
SUSE Linux Enterprise Server 12 SP4 (x64) or later
SUSE Linux Enterprise Server 15 SP1 (x64) or later
Ubuntu 16.04.6 LTS (x64) or later
Ubuntu 18.04.3 LTS (x64) or later
Ubuntu 20.04 LTS (x64) or later
VMware ESXi 6.5 EP15 or later
VMware ESXi 6.7 Update3 or later
VMware ESXi 7.0 or later
VMware ESXi 8.0 or later
Citrix Hypervisor 8.1.0 or later
For AMD EPYC™ 7001 series processors
Windows Server 2012 R2 with Update
Windows Server 2016
Red Hat Enterprise Linux 7.4 (x64) or later
Red Hat Enterprise Linux 8.0 ( x64) or later
Red Hat Enterprise Linux 9.0 (x64) or later
SUSE Linux Enterprise Server 11 SP4 (x64) or later
SUSE Linux Enterprise Server 12 SP3 (x64) or later
SUSE Linux Enterprise Server 15 (x64) or later
Ubuntu 16.04 LTS (x64) or later
Ubuntu 18.04 LTS (x64) or later
Ubuntu 20.04 LTS (x64) or later
VMware ESXi 6.5 Update1 or later
VMware ESXi 6.7 or later
VMware ESXi 7.0 or later
VMware ESXi 8.0 or later
Citrix Xenserver 7.1.0 CU2 or later
Citrix Xenserver 7.4.0 or later
Citrix Hypervisor 8.0.0 or later
Windows Server 2016 (X2APIC/256T not supported)
Windows Server 2019
Red Hat Enterprise Linux 7.6 (x64) or later
Red Hat Enterprise Linux 8.0 (x64) or later
Red Hat Enterprise Linux 9.0 (x64) or later
SUSE Linux Enterprise Server 12 SP4 (x64) or later
SUSE Linux Enterprise Server 15 SP1 (x64) or later
Ubuntu 16.04.6 LTS (x64) or later
Ubuntu 18.04.3 LTS (x64) or later
Ubuntu 20.04 LTS (x64) or later
VMware ESXi 6.5 EP15 or later
VMware ESXi 6.7 Update3 or later
VMware ESXi 7.0 or later
VMware ESXi 8.0 or later
Citrix Hypervisor 8.1.0 or later
For AMD EPYC™ 7001 series processors
Windows Server 2012 R2 with Update
Windows Server 2016
Red Hat Enterprise Linux 7.4 (x64) or later
Red Hat Enterprise Linux 8.0 ( x64) or later
Red Hat Enterprise Linux 9.0 (x64) or later
SUSE Linux Enterprise Server 11 SP4 (x64) or later
SUSE Linux Enterprise Server 12 SP3 (x64) or later
SUSE Linux Enterprise Server 15 (x64) or later
Ubuntu 16.04 LTS (x64) or later
Ubuntu 18.04 LTS (x64) or later
Ubuntu 20.04 LTS (x64) or later
VMware ESXi 6.5 Update1 or later
VMware ESXi 6.7 or later
VMware ESXi 7.0 or later
VMware ESXi 8.0 or later
Citrix Xenserver 7.1.0 CU2 or later
Citrix Xenserver 7.4.0 or later
Citrix Hypervisor 8.0.0 or later
System Fans
8 x 80x80x38mm (16,300rpm)
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)
Operating humidity: 8%-80% (non-condensing)
Non-operating temperature: -40°C to 60°C
Non-operating humidity: 20%-95% (non-condensing)
Packaging Dimensions
1133 x 724 x 261 mm
Packaging Content
1 x G291-Z20
1 x CPU heatsink
1 x Rail kit
1 x CPU heatsink
1 x Rail kit
Part Numbers
- Barebone package: 6NG291Z20MR-00-A*
- Motherboard: 9MZ21G20NR-00-2*
- Tool-less rail kit: 25HB2-A86102-K0R
- CPU heatsink for 200W CPU: 25ST1-153104-A8R
- CPU heatsink for 240W CPU: 25ST1-44320G-A0R (optional)
- Fan module: 25ST2-883827-D0R
- Power supply: 25EP0-222001-D0S
- C19 power cord 125V/15A (US): 25CP1-018000-Q0R (optional)
- C19 power cord 250V/16A (EU): 25CP3-01830H-Q0R (optional)
- 2 x Internal SSD kit: 6NG291281SR-00 (optional)
- Motherboard: 9MZ21G20NR-00-2*
- Tool-less rail kit: 25HB2-A86102-K0R
- CPU heatsink for 200W CPU: 25ST1-153104-A8R
- CPU heatsink for 240W CPU: 25ST1-44320G-A0R (optional)
- Fan module: 25ST2-883827-D0R
- Power supply: 25EP0-222001-D0S
- C19 power cord 125V/15A (US): 25CP1-018000-Q0R (optional)
- C19 power cord 250V/16A (EU): 25CP3-01830H-Q0R (optional)
- 2 x Internal SSD kit: 6NG291281SR-00 (optional)
* The entire materials provided herein are for reference only. GIGABYTE reserves the right to modify or revise the content at anytime without prior notice.
* Advertised performance is based on maximum theoretical interface values from respective Chipset vendors or organization who defined the interface specification. Actual performance may vary by system configuration.
* All trademarks and logos are the properties of their respective holders.
* Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount.
* Advertised performance is based on maximum theoretical interface values from respective Chipset vendors or organization who defined the interface specification. Actual performance may vary by system configuration.
* All trademarks and logos are the properties of their respective holders.
* Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount.
SUPPORT
Driver
BIOS
Utility
Firmware
QVL
- All
- All
- Windows Server 2019
- Windows Server 2016 64bit
Chipset
Chipset
Version
Size
Date
AMD Chipset Driver
Version : 1.07.12.1102
17.05 MB
Aug 06, 2019
OS: Windows Server 2016 64bit,Windows Server 2019
VGA
VGA
Version
Size
Date
ASPEED Graphic Driver
Version : 1.06
1.78 MB
Aug 06, 2019
OS: Windows Server 2016 64bit,Windows Server 2019
BIOS
Description
Version
Size
Date
Windows and UEFI mode flash BIOS SOP
Please download BIOS update tool from AMI Website
-
0.31 MB
Jan 29, 2021
Warning:
Because BIOS flashing is potentially risky, if you do not encounter problems using the current version of BIOS, it is recommended that you not flash the BIOS. To flash the BIOS, do it with caution. Inadequate BIOS flashing may result in system malfunction.
What is a BETA?
BETA describes a new version that is reliable yet may not include all the features of the final product. During this phase we are previewing new features and gathering customer input to insure our product provides the best experience possible.
Because BIOS flashing is potentially risky, if you do not encounter problems using the current version of BIOS, it is recommended that you not flash the BIOS. To flash the BIOS, do it with caution. Inadequate BIOS flashing may result in system malfunction.
What is a BETA?
BETA describes a new version that is reliable yet may not include all the features of the final product. During this phase we are previewing new features and gathering customer input to insure our product provides the best experience possible.
- All
- All
- Windows Server 2022
- Windows Server 2019
- Windows Server 2016 R2 64bit
- Windows Server 2016 64bit
- Windows Server 2012 R2 64bit
- Windows Server 2012 64bit
- Windows 10 64bit
- VMware
- Ubuntu
- Linux CentOS
- Linux
Utility
Description
Version
Size
Date
GSM CLI
Version : 1.1.3
37.29 MB
Apr 18, 2025
OS: Windows Server 2012 64bit,Windows Server 2012 R2 64bit,Linux CentOS,Windows 10 64bit,Ubuntu,Windows Server 2016 R2 64bit,Windows Server 2019,Windows Server 2022
GSM Server
Version : 2.12
926.33 MB
Jan 18, 2023
OS: Linux,Windows Server 2016 64bit,Windows Server 2019
GSM Agent
Version : 2.5
720.29 MB
Dec 27, 2021
OS: Linux,Windows Server 2016 64bit,Windows Server 2019
Firmware
Description
Version
Size
Date
BMC Firmware with embedded GIGABYTE Management Console
(AST2500 AMI)
(AST2500 AMI)
Version : 12.61.35
105.32 MB
Mar 20, 2025
English
Manual
Description
Version
Size
Date
Description
Version
Size
Date
RESOURCES
Success Case
Articles
Video
News
Security & Technical Advisory
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