

DP NVIDIA GH200 Grace Hopper Superchip system supporting NVIDIA BlueField-3 or NVIDIA ConnectX-7.
Integrated board: G2DMH-GI
Official Supermicro specifications for the ARS-221GL-NHIR.
| Model | Super G2DMH-GI |
|---|
| CPU | NVIDIA 72-core NVIDIA Grace CPU on GH200 Grace Hopper™ Superchip |
|---|---|
| Core Count | 72C/72T; 114MB Cache per CPU |
| Note | Supports up to 300W TDP CPUs (Air Cooled) |
| Max GPU Count | 2 onboard GPUs |
|---|---|
| Supported GPU | NVIDIA: H100 Tensor Core GPU on GH200 Grace Hopper™ Superchip (Air-cooled) |
| CPU-GPU Interconnect | NVIDIA NVLink®-C2C |
| GPU-GPU Interconnect | NVIDIA® NVLink™ |
| Memory | Onboard Memory 960GB ECC LPDDR5X Additional GPU Memory: 288GB ECC HBM3e |
|---|
| Chipset | GH200 |
|---|
| LAN | 1 RJ45 1 GbE Dedicated BMC LAN port |
|---|---|
| USB | 1 port (Rear) |
| Video | 1 mini-DP port |
| BIOS Type | AMI 64MB UEFI |
|---|
| Power configurations | Power-on mode for AC power recovery; ACPI Power Management |
|---|
| Form Factor | 2U Rackmount |
|---|---|
| Model | CSE-MG202TS-R000NDFP |
| Height | 3.43" (87 mm) |
|---|---|
| Width | 17.3" (438.4 mm) |
| Depth | 35.43" (900 mm) |
| Package | 11.02" (H) x 27.56" (W) x 47.24" (D) |
| Weight | Gross Weight: 103 lbs (46.8 kg) Net Weight: 88 lbs (40 kg) |
| Available Color | Silver |
| PCI-Express (PCIe) Configuration | Default: 3 PCIe 5.0 x16 (in x16) FHFL slots + 1 PCIe 5.0 x4 (in x16) FHFL slot |
|---|
| Drive Bays Configuration | Default: Total 3 bays 3 front fixed E1.S NVMe drive bays |
|---|---|
| M.2 | 2 M.2 NVMe slots (M-key) |
| Fans | Up to 6 Removable heavy-duty 6cm Fan(s) |
|---|
| Environmental Spec. | Operating Temperature: 10°C to 35°C (50°F to 95°F) Non-operating Temperature: -40°C to 60°C (-40°F to 140°F) Operating Relative Humidity: 8% to 90% (non-condensing) |
|---|
| PSU | 4x 2000W Redundant (2 + 2) Titanium Level (96%) power supplies |
|---|
Official Supermicro firmware, drivers, manuals, and certification resources for the ARS-221GL-NHIR. Semifly does not host these files — each link opens Supermicro's official page so you always get the latest version.
Latest system BIOS. Flash only if you have a BIOS-related issue.
Latest BMC firmware for out-of-band management.
Select your OS and device type on Supermicro's download center.
Official user's manual (HTML / PDF).
Official one-page datasheet for the ARS-221GL-NHIR.
Certified operating systems and compatibility matrix.
Validate and benchmark your workload on this platform remotely.
Need a specific revision, a quote, or help selecting GPUs, CPUs, drives and networking? Talk to Semifly →
Tell us your GPU model and count, CPU, memory, drives, and networking targets — we'll return a build-to-order quote, typically within one business day.