

Dual NVIDIA Grace™ Superchip system with up to 4 NVIDIA GPUs and NVIDIA BlueField®-3 storage mode.
Official Supermicro specifications for the ARS-221GL-SR.
| Model | Super G1SMH |
|---|
| CPU | NVIDIA Grace™ CPU Superchip — Dual 72-core CPUs (up to 144 cores) |
|---|---|
| Chipset | NVIDIA C2 |
| Max GPU Count | Up to 4 double-width GPUs |
|---|---|
| CPU-GPU Interconnect | PCIe 5.0 x16 CPU-to-GPU Interconnect |
| Note | Storage mode via up to 2 NVIDIA BlueField®-3 |
| Memory | Onboard memory Up to 960GB ECC LPDDR5X |
|---|
| Chipset | NVIDIA C2 |
|---|---|
| IPMI | IPMI 2.0 with virtual media over LAN and KVM-over-LAN |
| LAN | 1 RJ45 1GbE Dedicated BMC LAN port |
|---|---|
| USB | 2 USB 3.0 Type-A (rear) |
| Video | 1 mini-DP port |
| TPM | 1 TPM onboard / port 80 |
| BIOS Type | AMI 64MB SPI Flash EEPROM |
|---|
| Software | Redfish API; Supermicro Update Manager (SUM); KVM with dedicated LAN; IPMI 2.0; Watch Dog; OOB Management Package (SFT-OOB-LIC) |
|---|
| CPU | Monitors for CPU Cores, Chipset & Memory voltages |
|---|---|
| FAN | Fans with tachometer monitoring; PWM fan connectors with speed control |
| Temperature | Monitoring for CPU and chassis environment; thermal control for fan connectors |
| Form Factor | 2U Rackmount |
|---|---|
| Model | CSE-GP201TS-R000NP |
| Enclosure | 438.4 x 88 x 900 mm (17.25" x 3.46" x 35.43") |
|---|---|
| Package | 22.5" x 11" x 45.5" |
| Weight | Gross Weight: 86.5 lbs (39.2 kg) Net Weight: 67.5 lbs (30.6 kg) |
| Available Color | Black front & silver body |
| PCI-Express (PCIe) Configuration | Default: 3 PCIe 5.0 x16 FHFL slots + 4 PCIe 5.0 x16 FHFL double-width slots |
|---|---|
| M.2 | 2 M.2 PCIe 5.0 x4 NVMe slots (M-key 22110) |
| Drive Bays Configuration | Default: Total 8 bays — 8 front hot-swap E1.S NVMe (from up to 2 NVIDIA BlueField®-3) |
|---|---|
| M.2 | 2 M.2 PCIe 5.0 x4 NVMe slots (M-key 22110) |
| Fans | Up to 6 heavy duty fans with optimal fan speed control |
|---|
| 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) Non-operating Relative Humidity: 5% to 95% (non-condensing) |
|---|
| PSU | 3x 2000W Redundant Titanium Level (96%) |
|---|
Official Supermicro firmware, drivers, manuals, and certification resources for the ARS-221GL-SR. 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-SR.
Certified operating systems and compatibility matrix.
Validate and benchmark your workload on this platform remotely.
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