R281-T91 (rev. 100)

2U 24-bay ARM server system | Application: Networking

Application:

Networking

Supports blockchain infrastructure
2 x Marvell^® ThunderX2^® CN9975 28-core ARM processors
8-Channel RDIMM DDR4 per processor, total 24 x DIMMs
Dual 10Gb/s SFP+ LAN ports (QLogic^® QL41102)
Onboard Broadcom^® SAS3008 controller
2 x 2.5" SATA in rear side, 24 x SAS/SATA hot-swappable HDD/SSD bays
SAS expander with 12Gb/s transfer speed
8 x PCIe Gen3 expansion slots
2 x OCP Gen3 x16 mezzanine slots
Aspeed^® AST2500 remote management controller
Dual 1200W 80 PLUS Platinum redundant power supply

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* Veškeré zde uvedené materiály jsou pouze orientační. GIGABYTE si vyhrazuje právo kdykoliv měnit nebo revidovat obsah a to bez předchozího upozornění.
* Zmiňovaný výkon je založený na maximálních teoretických hodnotách z rozhraní jednotlivých čipsetů dodavatelů nebo organizace, která definovala specifikaci jednotlivých rozhraní. Skutečný výkon se může lišit v závislosti na konfiguraci systému.
* Všechny ochranné známky a loga jsou vlastnictvím jejich příslušných vlastníků.
* Díky standardní architektuře PC je určité množství paměti vyhrazeno pro systém, proto může být skutečná velikost dostupné paměti nižší než uvedené množství.

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

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