Ethernet lane-rate ladder: 50-200G/lane shipping; 400G/lane in IEEE standards work and vendor demonstrations
50G→400G/laneobserved
| 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 | The 400G/lane rung is IEEE P802.3dv work (PAR approved 2026-09-25; electrical and SMF optical links to 500 m; no draft yet) and vendor demonstrations (Coherent 3.2T, 8x425G PAM4 line lanes, OSFP-size package, ECOC 2026-09-20). No shipping 400G/lane Ethernet interface as of 2026-10. |
| As of | 2026-10 |
| Source | IEEE 802.3 P802.3dv task force and 400 Gb/s per lane study group pages (2026); Coherent ECOC 2026 release (2026-09-20) · P802.3dv task force page (updated 2026-10-07); 400GPL study group page (PAR approved 2026-09-25); Coherent ECOC 2026 press release |
| Review | checking…review by 2027-01-31 · standard cadence |
| Recorded changes | last 2026-10-16 · 4 revisions tracked |
| Claim id | serdes-ladder-800g-8x100g-or-4x200g-1-6t-8x200g |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.