* 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.

SPECIFICATIONS

Dimensions (WxHxD, mm)
2U
438 x 87 x 710
Motherboard
MZ91-FS0
CPU
AMD EPYC™ 7001 series processor family
Dual processors, 14nm, Socket SP3
Up to 32-core, 64 threads per processor
TDP up to 200W
NOTE: If only 1 CPU is installed, some PCIe or memory functions might be unavailable
Chipset
System on Chip
Memory
32 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(1DPC)/2400/2133* MHz

- Note:
Memory speed run at 2133MHz when 1R/2R memory modules are fully populated
LAN
2 x 1GbE LAN ports (1 x Intel® I350-AM2)
1 x 10/100/1000 management LAN
Video
Integrated in Aspeed® AST2500
2D Video Graphic Adapter with PCIe bus interface
1920x1200@60Hz 32bpp
Audio
-
Storage
Front side: 24 x 2.5" U.2 hot-swappable HDD/SSD bays
Rear side: 2 x 2.5" SATA/SAS hot-swappable HDD/SSD bays
SAS card is required for SAS devices support
RAID
-
Peripheral Drives
-
Expansion Slots
Riser Card CRS2133:
- 1 x PCIe x16 slot (Gen3 x16 or x8), Full height half-length
- 1 x PCIe x8 slots (Gen3 x0 or x8), Full height half-length
- 1 x PCIe x8 slots (Gen3 x8), Full height half-length, Occupied by CNV3122, 2 x U.2 ports

Riser Card CRS2134:
- 1 x PCIe x16 slot (Gen3 x16 or x8), Full height half-length
- 1 x PCIe x8 slots (Gen3 x0 or x8), Full height half-length
- 1 x PCIe x8 slots (Gen3 x8), Full height half-length

Riser Card CRS2124:
- 1 x PCIe x8 slots (Gen3 x0), Low profile half-length
- 1 x PCIe x16 slot (Gen3 x16), Low profile half-length, Occupied by CNV3124, 4 x U.2 ports


2 x OCP mezzanine slots
- PCIe Gen3 x16
- Type1, P1, P2, P3, P4, K2, K3
- 2 x OCP mezzanine slots are occupied by CNVO124, total 8 x U.2 ports

1 x M.2 slot:
- M-key
- PCIe Gen3 x4
- Supports NGFF-2242/2260/2280 cards
Internal I/O
6 x SlimSAS connectors
1 x M.2 slot
2 x CPU fan headers
1 x USB 3.0 header
1 x TPM header
5 x PCIe expansion slots
2 x OCP mezzanine slots
2 x Power supply connectors
1 x Front panel header
1 x Back plane board header
1 x IPMB connector
1 x Clear CMOS jumper
1 x BIOS recovery jumper
Front I/O
2 x USB 3.0
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 activity LED
2 x LAN activity LEDs
Rear I/O
2 x USB 3.0
1 x VGA
1 x COM (RJ45 type)
2 x RJ45
1 x MLAN
1 x ID button with LED
Backplane I/O
-
TPM
1 x TPM header
Optional TPM2.0 kit: CTM000
Power Supply
2 x 1600W redundant PSUs
80 PLUS Platinum

AC Input:
- 100-120V~/ 12A, 50-60Hz
- 200-240V~/ 10A, 50-60Hz

DC Output:
- Max 1000W/ 100-120V~
+12V/ 81.5A
+12Vsb/ 2.5A
- Max 1600W/ 200-240V or 240Vdc Input
+12V/ 133A
+12Vsb/ 2.5A
System 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 Compatibility
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

SUSE Linux Enterprise Server 11.4 (x64) or later
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server 12.3 with KVM
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

Citrix Xenserver 7.1.0 CU2 or later
Citrix Xenserver 7.4.0 or later
Citrix Hypervisor 8.0.0 or later
Weight
22 kg
System Fans
4 x 80x80x38mm (14'900rpm)
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 Dimensions
982 x 588 x 268 mm
Packaging Content
1 x R281-Z92
2 x CPU heatsinks
1 x Rail kit
Part Numbers
Barebone package: 6NR281Z92MR-00-2*
Part Numbers:
- Motherboard: 9MZ91FS0NR-00-1*
- Rail kit: 25HB2-3A0202-K0R
- CPU heatsink: 25ST1-15320E-J1R
- Back plane board_24-port: 9CBP20O6NR-00
- PCIe switch Back plane board_U.2 type: 9CEPM480NR-00
- PCIe switch By-pass Card: 9CEPM080NR-00
- Front panel board: 9CFP2001NR-00
- Power supply: 25EP0-216007-L0S
- RJ45 type COM cable: 25CR0-200400-Y4R (as an option)
- Riser card - CRS2133: 9CRS2133NR-00
- Riser card - CRS2134: 9CRS2134NR-00
- Riser card - CRS2124: 9CRS2124-00
* 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.

SUPPORT

  • Choose your OS
  • Choose your OS
  • Windows Server 2016 64bit
  • Windows Server 2012 R2 64bit
BIOS
Description
Version
Size
Date
1. Increase PCIe IO resource
2. For the R281-Z94, set the AC loss to "power off" by default (mantis 37269)
3. Adjust the hard disk size format displayed by POST and BIOS settings (mantis 37269)
Version : F15
11.87 MB
2019.04.30
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.

  • Choose your OS
  • Choose your OS
  • 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 : 2.1.50
110.55 MB
2021.03.06
OS: Windows Server 2012 64bit,Windows Server 2012 R2 64bit,Linux CentOS,Windows 10 64bit,Ubuntu,Windows Server 2016 R2 64bit,Windows Server 2019
Manual
Description
Version
Size
Date

Resources

Video
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