* 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 87.5 x 730
Motherboard
MT91-FS1
CPU
2 x Marvell® ThunderX2® CN9975 ARM processors
64bit ARMv8 architecture
28 cores per processor, 2.0GHz, TDP 150W
16nm technology
Chipset
-
Memory
24 x DIMM slots
DDR4 memory supported only
8-channel memory architecture per processor
RDIMM modules up to 64GB supported
1.2V modules: 2666/2400/2133 MHz

- NOTE: GIGABYTE recommends that you follow the QVL when selecting memory modules to avoid any system compatibility issues
- NOTE: DDR4 2666 Mhz with 1DPC, DDR4 2400 with 2DPC
LAN
2 x 10Gb/s SFP+ LAN ports (QLogic® QL41102)
1 x 10/100/1000 management LAN port
Video
Integrated in Aspeed® AST2500
2D Video Graphic Adapter with PCIe bus interface
1920x1200@60Hz 32bpp, DDR4 SDRAM
Audio
-
Storage
Front side: 24 x 2.5" SATA/SAS hot-swappable HDD/SSD bays
Rear side: 2 x 2.5" SATA only hot-swappable HDD/SSD bays
Onboard Broadcom® SAS3008 controller
Onboard Broadcom® SAS35x36R expander
Bandwidth: SATAIII 6Gb/s or SAS 12Gb/s per port

- NOTE: GIGABYTE recommends that you follow the QVL when selecting hard drives, to avoid any system compatibility issues
SAS
Supported
RAID
RAID 0/1/1E/10
Peripheral Drives
-
Expansion Slots
Riser Card CRS2131:
- 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 CRS2132:
- 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 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
Internal I/O
2 x Power supply connectors
2 x SlimSAS connectors
2 x SATA 7-pin connectors
1 x USB 3.0 header
1 x Front panel header
1 x HDD back plane board header
1 x PMBus connector
1 x IPMB connector
1 x Clear CMOS switch
1 x BIOS recovery switch
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 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 SFP+
1 x MLAN
1 x ID button with LED
Backplane I/O
Front side_CBP20O2: 24 x SATA/SAS ports
Rear side_CBP2020: 2 x SATA/SAS ports
Bandwidth: SATAIII 6Gb/s or SAS 12Gb/s per port
TPM
-
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
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
Compatible OS
RHEL 7.5 64bit (ARM64)**

Ubuntu 18.04 (ARM64)

SUSE SLES 15 (ARM64)

CentOS 7.6 64bit (ARM64)

Oracle Linux 7.4 (ARM64)

** GIGABYTE recommends to contact with us or our partners for further details
Weight
Net Weight: 19.5 kg
Gross Weight: 28.92 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-T91 system
1 x Rail kit
Part Numbers
Barebone package: 6NR281T91MR-00
Part Numbers:
- Motherboard: 9MT91FS1NR-00
- Rail kit: 25HB2-3A0202-K0R
- CPU heatsink: 25ST1-353207-J1R
- Back plane board_24-port: 9CBP20O2NR-00
- Back plane board_2-port: 9CBP2020NR-00
- Expander board: 9CEP26O0NR-00
- Front panel board: 9CFP2001NR-00
- Power supply: 25EP0-212002-F3S
- RJ45 type COM cable: 25CR0-200400-Y4R (as an option)
- Riser card - CRS2131: 9CRS2131NR-00
- Riser card - CRS2132: 9CRS2132NR-00
- Riser card - CRS2124: 9CRS2124NR-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

BIOS
Description
Version
Size
Date
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
  • Ubuntu

Resources

Video
Back to R281-T91
Compare
Remove All
You may only add up to 5 items for comparison at one time.
Close
X
Contact our sales team
Please contact us if you would like to know more about our products. For services and support, please visit eSupport.
* Inquiries:
 
* Are you a system integrator?
 
 
 
 
To ensure our emails be delivered to your inbox, please avoid using free-to-use email services such as Yahoo, Gmail, Hotmail etc.
 
 
 
 
 
 
0 / 1000
 
* We will process your personal information in accordance with our Privacy Policy and you may unsubscribe at any time.
Cancel
Submitted Successfully