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720188-B21 Overview

The HP 720188-B21 is a high-performance QSFP+ optical transceiver that delivers 40Gbps data transmission using 40GBase-SR4 standard over multi-mode fiber. Operating at 850nm, it uses an MPO-12 connector to transmit across four parallel fibers in each direction, enabling efficient short-reach connectivity. Designed for up to 100m over OM3 and 150m over OM4 cabling, this module is an ideal solution for modern data centers requiring high-bandwidth aggregation, switch uplinks, and server connectivity. Its QSFP+ hot-swappable form factor ensures scalability and simplified network upgrades while maintaining compatibility with HP networking hardware.