SFP → QSFP28 — Quick Reference

Reference table for common transceiver modules and connectors (SFP, SFP+, SFP28, QSFP+, QSFP28)

Speed

SFP = 1G  |  SFP+ = 10G  |  SFP28 = 25G  |  QSFP+ = 40G (4×10G lanes)  |  QSFP28 = 100G (4×25G lanes)

Transceiver speed & breakout

Transceiver Speed Breakout Connector type
SFP 1 Gbps No LC (fiber) / RJ45 (copper)
SFP+ 10 Gbps No LC / RJ45 / DAC
SFP28 25 Gbps No LC / DAC
QSFP+ 40 Gbps (4×10G) Yes MPO (fiber) / DAC
QSFP28 100 Gbps (4×25G) Yes MPO (fiber) / DAC