

1U NVIDIA GB200 NVL4 system with quad 800G NVIDIA ConnectX®-8 or custom NICs, and up to 8 E1.S drives.
Official Supermicro specifications for the ARS-121GL-NB2B-LCC.
| CPU | Dual processor(s) NVIDIA Dual 72-core CPUs on a Grace™ CPU Superchip |
|---|---|
| Note | Supports up to 300W TDP CPUs (Liquid Cooled) |
| Max GPU Count | 4 onboard GPUs |
|---|---|
| Supported GPU | NVIDIA: B200 GPU on GB200 Grace Blackwell Superchip |
| CPU-GPU Interconnect | NVIDIA NVLink®-C2C |
| GPU-GPU Interconnect | Fifth-Generation NVIDIA NVLink™ |
| Memory | Onboard Memory Up to 960GB ECC LPDDR5X |
|---|
| Network Connectivity | 1 RJ45 2.5GbE with Intel® I210-AT (optional) 4 OSFP 800Gb InfiniBand with NVIDIA ConnectX®-8 SuperNIC (optional) 2 QSFP-DD 200Gb InfiniBand with NVIDIA® BlueField®-3 (optional) |
|---|
| LAN | 1 RJ45 1 GbE Dedicated BMC LAN port (ASPEED AST2600) |
|---|---|
| USB | 1 Type-A port (Front) |
| Video | 1 Mini-DP port (Front) |
| TPM | 1 TPM Onboard TPM & TPM Header |
| BIOS Type | AMI 64MB SPI Flash EEPROM |
|---|
| Software | SuperCloud Composer® (SCC); SuperServer Automation Assistant (SAA) |
|---|
| Form Factor | 1U Rackmount (NVIDIA GB200 NVL4) |
|---|---|
| Model | CSE-MG104TS-V01DP-NVL4 |
| Height | 1.7" (43.6 mm) |
|---|---|
| Width | 17.26" (438.4 mm) |
| Depth | 30.15" (766 mm) |
| Package | 9.05" (H) x 24.8" (W) x 45.27" (D) |
| Weight | Gross Weight: 79.36 lbs (36 kg) Net Weight: 70.5 lbs (32 kg) |
| Available Color | Silver |
| PCI-Express (PCIe) Configuration | Default: 2 PCIe 5.0 x16 (in x16) FHFL slots Option A: 4 PCIe 5.0 x16 (in x16) FHFL slots |
|---|
| Drive Bays Configuration | Default: Total 8 bays — 8 front hot-swap E1.S PCIe 5.0 x4 NVMe Option A: Total 4 bays — 4 front hot-swap E1.S PCIe 5.0 x4 NVMe |
|---|---|
| M.2 | 1 M.2 PCIe 5.0 x4 NVMe slot (M-key 22110 default) |
| Fans | 8x 4cm heavy duty fans with optimal fan speed control |
|---|---|
| Liquid Cooling | Direct to Chip (D2C) Cold Plate |
| ROHS | RoHS Compliant |
|---|---|
| Environmental Spec. | Operating Temperature: 10°C to 35°C (50°F to 95°F) Non-operating Temperature: -30°C to 60°C (-40°F to 140°F) Operating Relative Humidity: 8% to 80% (non-condensing) |
Official Supermicro firmware, drivers, manuals, and certification resources for the ARS-121GL-NB2B-LCC. 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-121GL-NB2B-LCC.
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.