SuperServer SYS-420GP-TNR
Up to 10 double-wide PCIe GPUs for AI training, inference and rendering.
The SuperServer SYS-420GP-TNR is a previous-generation model, still supported and widely deployed. Up to 10 double-wide PCIe GPUs for AI training, inference and rendering.
Platform facts
| Vendor | Supermicro |
|---|---|
| Generation | X12 |
| Family | GPU |
| Form factor | 4U rack |
| Sockets | 2 |
| CPU | 3rd Gen Intel Xeon Scalable (Ice Lake) |
| DIMM slots | 32 |
| Memory | DDR4-3200 RDIMM, up to 8 TB |
| Storage | 24x 2.5-inch hot-swap SAS/SATA/NVMe, M.2 |
| RAID | Onboard SATA or Broadcom 3908 / 3808 AOC |
| Management | ASPEED AST2600 BMC, IPMI 2.0 and Redfish |
| Motherboard | X12DPG-OA6 |
| Released | 2021 |
| Status | previous |
Field notes
Four PSUs on 200 to 240 V circuits are mandatory for full GPU load. PCIe 4 switch board needs its own firmware, updated with SUM. NVIDIA A100/A6000/L40 class cards are typical; check the GPU compatibility list for airflow variants. Ubuntu LTS and RHEL are the usual OS; ESXi 8 supported for passthrough.
Successor: SuperServer SYS-421GE-TNRT.
What we do with the SuperServer SYS-420GP-TNR
- Build-to-order Supermicro systems for storage, GPU, virtualization and edge
- Motherboard-level configuration: BIOS, BMC, memory population, PCIe bifurcation
- Firmware management with SUM and the BMC
- Component replacement and troubleshooting on any Supermicro generation
- OS and hypervisor installs including TrueNAS, Proxmox and Kubernetes nodes
- Rack integration and burn-in before deployment
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Frequently asked questions
Why choose Supermicro over Dell or Lenovo?
Price per performance, unusual form factors (GPU, storage-dense, multi-node, edge) and flexibility. The trade-off is less hand-holding from the vendor, which is where we come in.
Do Supermicro servers have remote management?
Yes. Every server-class board has a BMC with IPMI, Redfish and a web console; X13/H13 use the ASPEED AST2600 with HTML5 KVM. A licence key may be needed for BIOS updates via the BMC on older boards.
Can the SuperServer SYS-420GP-TNR run a current operating system?
Check the field notes above. As a rule, current models are certified for Windows Server 2022/2025, ESXi 8 and RHEL 9; legacy models usually stop at Windows Server 2019 or ESXi 7 and may need Proxmox or an older Linux to stay useful.
Need a hand with this?
Tell us what you are running and what is slowing you down. You get a straight assessment and a plan, with no obligation. Support desk is staffed 24/7.