R281-Z94Legacy | Firmware updates supported

2U
438 x 87 x 710

MZ91-FS0

AMD EPYC™ 7002 Series Processors
AMD EPYC™ 7001 Series Processors
Dual processor, 7nm technology
Up to 64 cores, 128 threads per processor
TDP up to 225W, cTDP up to 240W

Conditional support 280W

Note: If only 1 CPU is installed, some PCIe or memory functions might be unavailable.

System on Chip

32 x DIMM slots
DDR4 memory supported only
8-Channel memory architecture
RDIMM up to 128GB supported
LRDIMM up to 128GB supported
Memory speed: Up to 3200*/2933 MT/s

*Follow BIOS setting and memory QVL if running 3200 MT/s with 2DPC.

Rear side:
2 x 1Gb/s LAN ports (1 x Intel^® I350-AM2)
Support NCSI function

1 x 10/100/1000 Mbps Management LAN

Integrated in Aspeed^® AST2500
- 1 x VGA port

Front side:
12 x 3.5"/2.5" SATA/SAS hot-swappable bays

Default configuration supports:
4 x SATA drives available
8 x SAS/SATA drives via optional SAS card

SAS card is required to enable the drive bays

Recommended SAS card:
CRA4448
CRA3338

Depends on RAID add-in cards

Riser Card CRS2133:
- 1 x PCIe x16 (Gen3 x16 or x8) FHFL slot, from CPU_0, for GPUs
- 1 x PCIe x8 (Gen3 x0 or x8) FHFL slot, from CPU_0
- 1 x PCIe x8 (Gen3 x8) FHHL slot, from CPU_0

Riser Card CRS2134:
- 1 x PCIe x16 (Gen3 x16 or x8) FHFL slot, from CPU_1, for GPUs
- 1 x PCIe x8 (Gen3 x0 or x8) FHFL slot, from CPU_1
- 1 x PCIe x8 (Gen3 x8) FHHL slot, from CPU_1

Riser Card CRS2123:
- 1 x PCIe x16 (Gen3 x16 or x8) FHFL slot, from CPU_1, for GPUs
- 1 x PCIe x8 (Gen3 x0 or x8) FHFL slot, from CPU_1

2 x OCP mezzanine slots with PCIe Gen3 x16 bandwidth (Type1, P1, P2, P3, P4, K2, K3), from CPU_0
2 x OCP mezzanine slots with PCIe Gen3 x16 bandwidth (Type1, P1, P2, P3, P4, K2, K3), from CPU_1

1 x M.2 slot:
- M-key
- PCIe Gen3 x4, from CPU_0
- Supports 2242/2260/2280 cards
- CPU TDP is limited to 180W if using M.2 device

Note:
- System is validated for population with a uniform GPU model.
- Support is not provided for mixed GPU populations.
- For the latest QVL, please contact your GIGABYTE representative.

6 x SlimSAS connectors
1 x M.2 slot
2 x CPU fan headers
1 x USB 3.0 header
1 x TPM header
7 x PCIe expansion slots
2 x OCP mezzanine slots
2 x Power supply connectors
1 x Front panel header
1 x Backplane board header
1 x IPMB connector
1 x Clear CMOS jumper
1 x BIOS recovery jumper

2 x USB 3.0
1 x Power button with LED
1 x ID button with LED
1 x NMI button
1 x Reset button
2 x LAN activity LEDs
1 x Storage activity LED
1 x System status LED

2 x USB 3.0
1 x VGA
1 x COM (RJ45)
2 x RJ45
1 x MLAN
1 x ID button with LED

1 x TPM header with LPC interface
- Optional TPM2.0 kit: CTM000

Dual 2000W 80 PLUS Platinum redundant power supply

AC Input:
- 100-120V~/ 12A, 50/60Hz
- 180-240V~/ 10A, 50/60Hz

DC Input: (Only for China)
- 240Vdc/ 10A

DC Output:
- Max 1000W/ 100-120V~
+12.2V/ 81.5A
+12Vsb/ 2.5A
- Max 1600W/ 180-199V~
+12.2V/ 131A
+12Vsb/ 2.5A
- Max 1800W/ 200-220V~
+12.2V/ 147.5A
+12Vsb/ 2.5A
- Max 2000W/ 221-240V~ or 240Vdc Input
+12.2V/ 163.5A
+12Vsb/ 2.5A

Aspeed^® AST2500 Baseboard Management Controller
GIGABYTE Management Console 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

For AMD EPYC™ 7002 Series Processors

Citrix Hypervisor 8.1.0

Red Hat Enterprise Linux 7.6 or later
Red Hat Enterprise Linux 8.0 or later
Red Hat Enterprise Linux 9.0 or later

SUSE Linux Enterprise Server 12 SP4 or later
SUSE Linux Enterprise Server 15 SP1 or later

Ubuntu 16.04.6 LTS or later
Ubuntu 18.04.3 LTS or later
Ubuntu 20.04 LTS 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

Windows Server 2016 (X2APIC/256T not supported)
Windows Server 2019

For AMD EPYC™ 7001 Series Processors

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

Red Hat Enterprise Linux 7.4 or later
Red Hat Enterprise Linux 8.0 or later
Red Hat Enterprise Linux 9.0 or later

SUSE Linux Enterprise Server 11 SP4 or later
SUSE Linux Enterprise Server 12 SP3 or later
SUSE Linux Enterprise Server 15 or later

Ubuntu 16.04 LTS or later
Ubuntu 18.04 LTS or later
Ubuntu 20.04 LTS 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

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

4 x 80x80x38mm (16,300rpm)

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:
1) Ambient temperature limited to 30°C if using 280W CPU.
2) Please contact Technical Support for more information about optimized GPU system operating temperature.

22 kg

982 x 588 x 268 mm

1 x R281-Z94
2 x CPU heatsinks
1 x Rail kit

- Barebone package: 6NR281Z94MR-00-A*
- Motherboard: 9MZ91FS0NR-00-2*
- Rail kit: 25HB2-3A0202-K0R
- CPU heatsink: 25ST1-44320G-A0R
- Front panel board - CFP2001: 9CFP2001NR-00
- Backplane board - CBP20C4: 9CBP20C4NR-00
- Fan module: 25ST2-883829-D0R
- Riser card - CRS2133: 9CRS2133NR-00
- Riser card - CRS2134: 9CRS2134NR-00
- Riser card - CRS2123: 9CRS2123NR-00
- Power supply: 25EP0-220009-L0S

Optional parts:

- RJ45 type COM cable: 25CR0-200400-Y4R