CGrade C · Good8×H100 SXM5 HGX — Supermicro, tested
8× H100 SXM5 80GB · 2× Xeon 8468 · 2TB DDR5 · NDR · burn-in report included
LocationDallas, TX, United States
Conditionused
Qty available4 systems
Lead timeReady now
System specifications
GPU
| GPU model | 8× NVIDIA HGX H100 SXM5 |
| Memory (each) | 80 GB HBM3 |
| Memory (total) | 640 GB |
| FP8 performance | ~16 PFLOPS tensor |
| NVLink | NVLink 4.0 — 900 GB/s bidi all-to-all |
CPU / System Memory
| CPU | 2× Intel Xeon Platinum 8468 (48C, 2.1 GHz) |
| Total cores | 96C / 192T |
| System RAM | 2 TB DDR5-4800 ECC RDIMM |
Storage
| NVMe | 4× 3.84 TB Samsung PM9A3 Gen4 |
| Boot | 2× 480 GB SATA SSD (RAID 1) |
Networking
| InfiniBand NICs | 8× NVIDIA ConnectX-7 400Gb/s NDR |
| Management NIC | 2× NVIDIA ConnectX-6 Dx 100GbE |
Chassis
| OEM | Supermicro SYS-421GE-TNRT2 |
| Form factor | 7U |
| Power supply | 4× 3000W 80+ Titanium (N+N) |
| Cooling | Air-cooled |
Inspection report
50-point inspection
Standardized RackRate pre-listing checklist.
Power & thermals10/10
GPU health9/10
NVLink / fabric10/10
Networking (NICs)9/10
Physical & cosmetic8/10
- 1 GPU showed elevated but in-spec temps under sustained load
- One NIC port flagged for reseat
- Cosmetic wear consistent with rack life
Warranty & support
30-day seller DOA warranty — burn-in report included with each system
Export control notice
HGX GPU systems are controlled items under U.S. EAR (ECCN 3A090 / 4A090). Export, re-export, or in-country transfer outside the United States requires BIS authorization. Buyer is responsible for end-use and end-user verification. Consult export counsel before any cross-border transfer.