Networking Guides
How to Choose the Right SFP, SFP+, SFP28, or QSFP Transceiver
A practical buyer guide for matching optical transceivers by speed, connector, reach, fiber type, and...
Clear speed, reach, connector, and platform notes so buyers choose the right part.
Send SFP, DAC, fiber, PoE, or switch lists for practical pricing.
Small accessories ship cleanly; urgent requests get priority review.
Used hardware gets condition grades and testing notes before listing.