

1U 2-node MGX system with an NVIDIA Grace CPU Superchip per node, supporting BlueField-3 or ConnectX-7.
Key configuration for the ARS-121L-DNR. Full manufacturer specifications are on the official Supermicro datasheet (linked under Resources).
| CPU Sockets | 2 |
|---|---|
| CPU | NVIDIA Grace™ CPU Superchip (2× 72-core) |
| Core Count | 144C per node; 198MB cache |
| DIMM Slots | Onboard LPDDR5X |
|---|---|
| Max Memory | Up to 960GB LPDDR5X (per node) |
| Configuration | 4 default |
|---|---|
| Drive type | E1.S NVMe |
| Slots | 2 PCIe 5.0 x16 per node (BlueField-3 / ConnectX-7; no GPU) |
|---|
| On-board / AIOM | Via PCIe (BlueField-3 / ConnectX-7) |
|---|
| Type | Air |
|---|
| PSU | 2× 2000W Redundant Titanium |
|---|
| Form factor | 1U |
|---|---|
| Motherboard | Super G1SMH |
| Chassis | CSE-GP102TS-R000NDFP |
| Software | SuperCloud Composer®, Supermicro Server Manager (SSM), Update Manager (SUM), SuperDoctor® 5, IPMI 2.0 / Redfish |
|---|
Official Supermicro firmware, drivers, manuals, and certification resources for the ARS-121L-DNR. 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-121L-DNR.
Certified operating systems and compatibility matrix.
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