GIGABYTE R281-Z91 (rev. 200) - 6NR281Z91MR-00-2

Dimensions (WxHxD, mm)

2U
438 x 87 x 710

Motherboard

MZ91-FS0

CPU

AMD EPYC™ 7002 series processor family
Dual processors, 7nm, Socket SP3
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 processor family

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 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 with 2DPC

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: 6 x 2.5" U.2, 18 x 2.5" SATA/SAS hot-swappable HDD/SSD bays
Rear side: 2 x 2.5" SATA/SAS hot-swappable HDD/SSD bays
LSI SAS35x36 expander
Bandwidth: SATAIII 6Gb/s or SAS 12Gb/s per port
Default configuration supports:
6 x U.2, 0 x SAS/SATA drives
SAS card is required to enable the drive bays

RAID

For SAS/SATA supported only
Depends on RAID card

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

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, Occupied by CNV3122, 2 x U.2 ports

Riser Card CRS2124:
- 1 x PCIe x8 slots (Gen3 x0 or x8), Low profile half-length
- 1 x PCIe x16 slot (Gen3 x16 or x8), Low profile half-length

2 x OCP mezzanine slots
- PCIe Gen3 x16
- Type1, P1, P2, P3, P4, K2, K3

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

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
7 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

Front side_CBP20O5: 18 x SATA/SAS and 6 x NVMe ports
Rear side_CBP2020: 2 x SATA/SAS ports (connected to SAS expander)
Front side_CEP26O0: 18 x SATA/SAS expander

TPM

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

Power Supply

2 x 1200W redundant PSUs
80 PLUS Platinum

AC Input:
- 100-240V~/ 12-7A, 50-60Hz
DC Input:
- 240Vdc/ 6A

DC Output:
- Max 1000W/ 100-240V~
+12V/ 80.5A
+12Vsb/ 3A
- Max 1200W/ 200-240V~ or 240Vdc input
+12V/ 97A
+12Vsb/ 3A

NOTE:
* Select 1600W power supply if using 280W CPU with full loading configuration

System Management

Aspeed^® AST2500 management controller
GIGABYTE Management Console (AMI MegaRAC SP-X) web interface

 

Dashboard

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 processor family

For AMD EPYC™ 7001 series processor family

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

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

Citrix Hypervisor 8.1.0



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 12.3 (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

Citrix Xenserver 7.1.0 CU2 or later
Citrix Xenserver 7.5.0 or later
Citrix Hypervisor 8.0.0 or later

Weight

22 kg

System Fans

4 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)

Packaging Dimensions

982 x 588 x 268 mm

Packaging Content

1 x R281-Z91
2 x CPU heatsinks
1 x Rail kit

Part Numbers

Barebone package: 6NR281Z91MR-00-A*

Part Numbers:

- Motherboard: 9MZ91FS0NR-00-2*
- Rail kit: 25HB2-3A0202-K0R
- CPU heatsink: 25ST1-15320E-J1R
- Back plane board_24-port: 9CBP20O5NR-00
- Back plane board_2-port: 9CBP2020NR-00
- Back plane board_U.2 type: 9CEP26O0NR-00
- Front panel board: 9CFP2001NR-00
- Power supply: 25EP0-212008-D0S
- RJ45 type COM cable: 25CR0-200400-Y4R (in option)
- Riser card - CRS2133: 9CRS2133NR-00
- Riser card - CRS2134: 9CRS2134NR-00
- Riser card - CRS2124: 9CRS2124NR-00