40GBASE-eSR4 enhanced short-reach parallel multi-mode optical module PN:02313GAA, QSFP+ package, 850nm 4-channel VCSEL parallel, MPO-12 array fiber interface, max transmission distance 300m over OM4 multi-mode fiber, extended distance version of standard SR4, used for medium-distance row-to-row interconnection in large data centers.

✅ Standard hot-swappable QSFP+ package, compatible with all mainstream 40G leaf-spine data center switches ✅ eSR4 enhanced optical design, transmission distance up to 300m (twice that of ordinary SR4 150m) ✅ MPO-12 high-density array port, simplifies cabinet wiring and reduces cable clutter ✅ Built-in complete DDM digital optical monitoring, real-time monitoring of temperature, transmit/receive optical power and laser bias current ✅ Beige pull tab for quick on-site distinction from yellow-tab SR4 150m modules

Large cloud data center medium-distance cabinet row-to-row inter-switch links, large-scale storage area network (SAN) interconnection, medium enterprise computer room long horizontal wiring, campus core machine room medium-distance convergence transmission.