What is SFP28? The Complete 25GbE Transceiver Guide for Enterprise Networks

Published June 19, 2026 · 8 min read · By Pro Disk Network

SFP28 is the 25 Gigabit per second successor to SFP+ (10G). It uses the same physical footprint as SFP+ but runs at 25Gbps per lane — the bandwidth-per-port sweet spot for modern server access networking. This guide covers SFP28 module types, cable choices, compatible switches, and when to move from 10G to 25G.

Topics: SFP28, 25GbE, Transceiver, Network Upgrade, 10G to 25G, Data Center Networking

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