R281-T91 (rev. 100)

2U
438 x 87.5 x 730

MT91-FS1

2 x Marvell^® ThunderX2^® CN9975 ARM processors
64bit ARMv8 architecture
28 cores per processor, 2.0GHz, TDP 150W
16nm technology

-

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

2 x 10Gb/s SFP+ LAN ports (QLogic^® QL41102)
1 x 10/100/1000 management LAN port

Integrated in Aspeed^® AST2500
2D Video Graphic Adapter with PCIe bus interface
1920x1200@60Hz 32bpp, DDR4 SDRAM

-

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

Supported

RAID 0/1/1E/10

-

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

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

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

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

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

-

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

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)

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

Net Weight: 19.5 kg
Gross Weight: 28.92 kg

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)

982 x 588 x 268 (mm)

1 x R281-T91 system
1 x Rail kit

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