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Silver 2U rack server with front drive bays and rear ports

Supermicro

Supermicro ARS-221GL-NR-OTO-70 2U rack server Grace Superchip 480GB LPDDR5X 2x H100 NVL 94GB 3.84TB+960GB SSD

SKU CH-D9GB-ADB47 MPN ARS-221GL-NR-OTO-70

2U rack server for AI and HPC workloads with dual Grace Superchips, 480GB LPDDR5X, two H100 NVL GPUs with 94GB HBM3 each, and 3.84TB plus 960GB SSD storage

  • WorkloadAI/ML/HPC Server
  • TypeRack
  • Rack Height2U
  • CPU TypeNVIDIA Grace Superchip
  • Number of CPU Cores72-Core Processor
  • CPU FeaturesSupports up to 500W TDP CPUs (Air Cooled)
  • Dual 72-core Grace Superchip accelerates AI and HPC workloads
  • 480GB LPDDR5X unified memory feeds GPU compute without bottlenecks
  • Two H100 NVL GPUs deliver 94GB HBM3 each for large-model training
  • 84TB E1.S plus 960GB M.2 storage supports hot-swap expansion
  • 25GbE dual-port networking connects clusters at high throughput

Grace Superchip AI Server

The Supermicro ARS-221GL-NR-OTO-70 is a 2U rack system built for AI, ML and HPC workloads. It integrates a dual 72-core NVIDIA Grace Superchip with 480GB of LPDDR5X memory and two H100 NVL GPUs providing 94GB of HBM3 video memory each. The platform targets data-centre teams deploying large-scale training or inference clusters.

Installation and Common Issues

The unit weighs 67.5 lbs and measures 3.46 by 17.25 by 35.43 inches, so two-person handling or a lift is advised when sliding it into a cabinet. Eight front hot-swap E1.S bays allow drive changes without tools, but the 500W TDP air-cooled design demands unobstructed front-to-rear airflow. Operate only within 10°C to 35°C and 8% to 90% relative humidity to avoid thermal throttling.

Pre-Order Checks

Verify the rack supplies at least 25GbE connectivity via SFP28 to match the onboard dual-port controller. Confirm the facility can sustain the required temperature and humidity ranges continuously. Ensure the power infrastructure can deliver sufficient capacity for dual 500W TDP CPUs plus two H100 NVL GPUs. This system is not suited for environments lacking dedicated cooling or high-speed networking.

Points forts

  • Dual 72-core Grace Superchip accelerates AI and HPC workloads
  • 480GB LPDDR5X unified memory feeds GPU compute without bottlenecks
  • Two H100 NVL GPUs deliver 94GB HBM3 each for large-model training
  • 84TB E1.S plus 960GB M.2 storage supports hot-swap expansion
  • 25GbE dual-port networking connects clusters at high throughput

Caractéristiques

BrandSUPERMICRO
ModelARS-221GL-NR-OTO-70
WorkloadAI/ML/HPC Server
TypeRack
Rack Height2U
CPU TypeNVIDIA Grace Superchip
Number of CPU Cores72-Core Processor
CPU FeaturesSupports up to 500W TDP CPUs (Air Cooled)
ChipsetNVIDIA C2
Installed Memory Size480GB
Memory TypeLPDDR5X
SSD (Installed)3.84TB + 960GB
GPU Type2 x NVIDIA H100 NVL
Video Memory94 GB HBM3
Ethernet Controller1 x Standard NVIDIA 25GbE with 2 SFP28 ports
Expansion Bays8 front hot-swap E1.S NVMe drive bay(s)
TemperatureOperating Temperature: 10°C ~ 35°C (50°F ~ 95°F)
Non-operating Temperature: -40°C to 60°C (-40°F to 140°F)
HumidityOperating Relative Humidity: 8% to 90% (non-condensing)
Non-operating Relative Humidity: 5% to 95% (non-condensing)
Dimensions3.46" x 17.25" x 35.43"
Weight67.5 lbs.
Poids d’expédition29.71 kg
Dimensions du colis1219 × 711 × 241 mm

Questions sur cet article

How can I verify the Grace Superchip and dual H100 NVL GPUs are detected correctly after installation?

Check the system BIOS or UEFI interface to confirm both 72-core CPUs and the two H100 NVL GPUs with 94 GB HBM3 each appear in the hardware inventory.

Which drives and networking components are included, and what must be purchased separately?

The system ships with a 3.84TB E1.S EDSFF SSD, a 960GB M.2 SSD, and a 25GbE controller with two SFP28 ports; SFP28 transceivers and any additional E1.S drives for the six empty front bays are not included.

Should I choose a different capacity if my workload needs more than 480GB LPDDR5X memory?

The 480GB LPDDR5X is soldered to the Grace Superchip and cannot be upgraded, so select this model only if that capacity meets your AI/ML/HPC requirements.

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