In-rack copper NVLink cables in a GB200 NVL72: SemiAnalysis derives the count from 72 differential pairs per GPU times 72 GPUs; NVIDIA reports over 5,000
5,184estimate
| Value kind | estimate — Interpret this value according to its displayed kind, scope, source, and as-of date. |
|---|---|
| Scope | An analyst-derived count of signal cables, corroborated by NVIDIA's 'over 5,000'. It says nothing about power-busbar sizing or cooling. |
| As of | 2024-07-17 |
| Source | SemiAnalysis, GB200 Hardware Architecture and Component Supply Chain (2024-07-17); NVIDIA Technical Blog (2024-10-15) · SemiAnalysis: 72 differential pairs per GPU × 72 GPUs = 5,184 cables; NVIDIA Technical Blog (2024-10-15): 'over 5,000' |
| Review | checking…review by 2027-04-13 · standard cadence |
| Recorded changes | last 2026-10-13 · 2 revisions tracked |
| Claim id | in-rack-copper-nvlink-cables-in-an-nvl72-the |
Where the guide uses it
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