Module Selection Guides
Transceiver selection by data rate (10G/25G/100G/400G/800G/1.6T), form factor (SFP+/SFP28/QSFP28/QSFP-DD/OSFP), wavelength, single-mode vs multi-mode, and compatibility.
100G QSFP28 Selection Guide: SR4 vs LR4 vs CWDM4 vs DWDM4
A practical selection guide for 100G QSFP28 optics: SR4 vs PSM4 vs CWDM4 vs LR4 vs DWDM4 compared by wavelength plan, fiber type, reach, FEC assumptio
10G SFP+ vs 25G SFP28: Migration Planning and Compatibility Matrix
How 10G SFP+ and 25G SFP28 actually differ — line rate, FEC, media reach, DAC lengths — plus a module-in-port compatibility matrix and the migration p
800G Transceiver Selection Guide: OSFP vs QSFP-DD800, DR8 vs 2×FR4, and Power Classes Explained
How to choose 800G optics in 2026: form factor decision (OSFP vs QSFP-DD800), PMD selection by reach (VR8/DR8/SR8/2×FR4), power classes and thermal pl
400G QSFP-DD vs OSFP: Which Form Factor Fits Your Network in 2026?
A side-by-side technical comparison of 400G QSFP-DD and OSFP transceivers: dimensions, port density, power envelopes, thermal design, backward compati