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R281-T91
Discontinued
2U 24-bay ARM server system
- 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
* 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.
* 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
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
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
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
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
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
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
- 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
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
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
1 x VGA
1 x COM (RJ45 type)
2 x SFP+
1 x MLAN
1 x ID button with LED
Backplane Board
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
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
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:
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
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
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)
Operating humidity: 8%-80% (non-condensing)
Non-operating temperature: -40°C to 60°C
Non-operating humidity: 20%-95% (non-condensing)
Weight
Net Weight: 19.5 kg
Gross Weight: 28.92 kg
Gross Weight: 28.92 kg
Packaging Dimensions
982 x 588 x 268 (mm)
Packaging Content
1 x R281-T91 system
1 x Rail kit
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
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.
* 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
- Downloads
- BIOS
- Utility
- Firmware
- Manual
- Support List
- QVL
BIOS
Utility
Firmware
QVL
BIOS
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.
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.
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RESOURCES
- Insight
- Success Case
- Articles
- Video
- News
- Media Review
- Security & Technical Advisory
- Others
Success Case
Articles
Success Case | June 02, 2023
NCHC and Xanthus Elevate Taiwanese Animation on the World Stage with GIGABYTE Servers
Created by Greener Grass Production, the Taiwanese sci-fi mini-series “2049” made its debut on Netflix and various local TV channels. The animated spin-off “2049+ Voice of Rebirth”, crafted by Xanthus Animation Studio, premiered on the streaming service myVideo. The CGI show was created with the NCHC Render Farm’s GIGABYTE servers, which employ top-of-the-line NVIDIA® graphics cards to empower artists with industry-leading rendering capabilities. The servers can take on multiple workloads simultaneously through parallel computing, and they boast a wide range of patented smart features that ensure stability and availability. With all it has going for it, “2049+ Voice of Rebirth” may garner enough attention to become the breakout hit that will introduce Taiwanese animation to international audiences.
Success Case | June 01, 2023
Using GIGABYTE, NIPA Cloud Soars Among CSP Giants in Thailand
NIPA Cloud is a leading public and private cloud service provider in Thailand. It has purchased multiple GIGABYTE R-Series Rack Servers to support the launch of its new service: NIPA Enterprise Public Cloud. Featuring powerful AMD EPYC™ processors and smart management functions, GIGABYTE servers boast the performance, availability, and power efficiency that can help NIPA Cloud go toe-to-toe with some of the world’s biggest CSPs, such as AWS, GCP, and Microsoft Azure.
Success Case | May 30, 2023
Spain’s IFISC Tackles COVID-19, Climate Change with GIGABYTE Servers
By using GIGABYTE, Spain’s Institute for Cross-Disciplinary Physics and Complex Systems is pitting the world’s foremost server solutions against some of the world’s most pressing issues, including the effects of climate change, pollution, and COVID-19. GIGABYTE servers are up to the diverse and daunting tasks, because they are designed for high performance computing, intensive numerical simulations, AI development, and big data management.
Success Case | April 23, 2023
Facial Recognition Brings AI Education to Taiwan's Schools
Taiwan's Ministry of Education is promoting AI learning. They want to reshape the school environment to make AI an integral part of students’ lives. In New Taipei, some elementary schools are installing GIGABYTE's AI-based facial recognition solution so students can check out books without a library card. Reading has never been easier, and educators can demonstrate the benefits of AI with this evergreen “teachable moment”.
Success Case | April 04, 2023
Decoding the Storm with GIGABYTE’s Computing Cluster
Waseda University, the “Center for Disaster Prevention around the World”, has built a computing cluster with GIGABYTE’s GPU server and tower servers. They use it to study and prepare for natural disasters, such as tsunamis and storm surges. Efforts go into understanding tropical cyclones and other phenomena, which are becoming more dangerous due to climate change.
Tech Guide | July 18, 2023
How to Pick a Cooling Solution for Your Servers? A Tech Guide by GIGABYTE
As CPUs and GPUs continue to advance, they consume more power and generate more heat. It is vital to keep temperature control in mind when purchasing servers. A good cooling solution keeps things running smoothly without hiking up the energy bill or requiring persistent maintenance. GIGABYTE Technology, an industry leader in high-performance servers, presents this Tech Guide to help you choose a suitable cooling solution. We analyze three popular options—air, liquid, immersion—and demonstrate what GIGABYTE can do for you.
Tech Guide | May 31, 2022
What is Private Cloud, and is it Right for You?
In the era of cloud computing, just about everyone has heard of the terms “private cloud” and “public cloud”. Chances are, you are using one or both of them in your everyday life—but how much do you really know about them? If you had the chance, could you build a private cloud for yourself or your organization? GIGABYTE Technology, an industry leader in server solutions used by global cloud service providers, is pleased to present our latest Tech Guide. We will examine the difference between private and public clouds, introduce the private cloud’s advantages and limitations, and then introduce GIGABYTE products that may help you build and operate a private cloud of your own.
Tech Guide | March 16, 2022
What is Big Data, and How Can You Benefit from It?
You may be familiar with the term, “big data”, but how firm is your grasp of the concept? Have you heard of the “5 V’s” of big data? Can you recite the “Three Fundamental Steps” of how to use big data? Most importantly, do you know how to reap the benefits through the use of the right tools? GIGABYTE Technology, an industry leader in high-performance server solutions, is pleased to present our latest Tech Guide. We will walk you through the basics of big data, explain why it boasts unlimited potential, and finally delve into the GIGABYTE products that will help you ride high on the most exciting wave to sweep over the IT sector.
Tech Guide | February 11, 2022
The Advantages of ARM: From Smartphones to Supercomputers and Beyond
Processors based on the ARM architecture, an alternative to the mainstream x86 architecture, is gradually making the leap from mobile devices to servers and data centers. In this Tech Guide, GIGABYTE Technology, an industry leader in high-performance server solutions, recounts how ARM was developed. We also explain the various benefits of ARM processors and recommend ARM servers for different sectors and applications.
Tech Guide | January 11, 2022
Cluster Computing: An Advanced Form of Distributed Computing
Cluster computing is a form of distributed computing that is similar to parallel or grid computing, but categorized in a class of its own because of its many advantages, such as high availability, load balancing, and HPC. GIGABYTE Technology, an industry leader in high-performance servers, presents this tech guide to help you learn about cluster computing. We also recommend GIGABYTE servers that can help you benefit from cluster computing.
Tech Guide | January 10, 2022
Setting the Record Straight: What is HPC? A Tech Guide by GIGABYTE
The term HPC, which stands for high performance computing, gets thrown around a lot nowadays, as server solutions become more and more ubiquitous. It is running the risk of becoming a catchall phrase: anything that is “HPC” must be the right choice for your computing needs. You may be wondering: what exactly are the benefits of HPC, and is HPC right for you? GIGABYTE Technology, an industry leader in high-performance servers, presents this tech guide to help you understand what HPC means on both a theoretical and a practical level. In doing so, we hope to help you evaluate if HPC is right for you, while demonstrating what GIGABYTE has to offer in the field of HPC.
5G | October 07, 2019
Looking Towards 5G and the Transformation of Our Technology Ecosystem
When everything in the world becomes connected to the internet, human society will become a huge, highly intelligent organism. The “brain” of this organism will be the cloud, and its limbs will be a variety of end applications such as smart phones, AI-enabled robots, self-driving cars and smart factories.
5G | July 22, 2019
What is 5G? An Introduction to 5G Networks and Applications
5G communications has been a very hot topic in recent years. Due to some of the key attributes such as faster data transfer rate, low latency and high connectivity, people can start to develop applications including industry 4.0, autonomous cars, and build a smart city etc. However, until the day comes when 5G is widely applied in our everyday technologies, people still wonder what exactly is 5G? How is it different from 4G? Despite a proclaimed faster data transfer rate, how will it impact the next tech evolution?
Video
Video | July 28, 2021
Heroes Ascension
Over the past year or so, due to global warming and climate changes, all parts of the world have witnessed extreme weather events that are more severe than ...
Video | March 25, 2021
What is it? Data Center in 60 Seconds
What is a data center? A data center is a facility that an organization uses for housing their IT equipment, including servers, storage, ...
News
Media Review
STH (Serve The Home) | May 09, 2018
Cavium ThunderX2 Review and Benchmarks a Real Arm Server Option
"From a price/ performance standpoint, the Cavium ThunderX2 is a great chip. If you are serious about Arm development, you need to get a cluster of these servers running. Unlike with the previous generation, this is not just a development platform. It is ready to deploy into the data center today"
Security & Technical Advisory
Others
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