current top per-port AI-fabric optics rate (8x200G/lane); 800G mainstream, 3.2T (8x400G/lane) emerging
1.6Tobserved
| 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. |
|---|---|
| Caveat | 400G/lane DSPs for 3.2T (8×400G) began sampling in March 2026; no 3.2T module volume date has been published. |
| As of | 2026-08 |
| Source | Lumentum FY26 Q4 results (2026-08-11); Broadcom Taurus 400G/lane DSP release (2026-03-11) · Lumentum: record 800G transceiver shipments; initiated production of 1.6T modules. Broadcom: 400G/lane DSP sampling, foundation for 3.2T modules |
| Review | checking…review by 2027-03-31 · standard cadence |
| Recorded changes | last 2026-10-12 · 3 revisions tracked |
| Claim id | current-top-per-port-ai-fabric-optics-rate |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.