single-hop all-to-all scale-up domain on one Broadcom Tomahawk 6 (102.4 Tbps, SUE/ESUN)
512 XPUsobserved
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Single-hop port count at one 200G SerDes per XPU (512 × 200G = 102.4 Tb/s, 25 GB/s each way per XPU); not per-XPU bandwidth, which scales with the number of switch ASICs each XPU attaches to (AMD Helios spreads each GPU over 18 UALoE stations). |
| As of | 2026-03-12 |
| Source | Broadcom Tomahawk 6 production-volume release, 2026-03-12. |
| Review | checking…review by 2027-03-31 · standard cadence |
| Recorded changes | last 2026-10-05 · 2 revisions tracked |
| Claim id | single-hop-all-to-all-scale-up-domain-on-one |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.