QSFP-40G-SR4 — QSFP+ 40 Gbps

The QSFP-40G-SR4 from Cisco is a QSFP+ 40 Gbps transceiver for short-reach links over multimode fiber (MMF), compliant with the IEEE 40GBASE-SR4 standard. Equipped with an MPO-12 (UPC) connector and parallel fiber transmission, it covers a reach of 150 m, positioning it as the standard solution for intra-datacenter interconnects and high-density storage networks.

This module is ideally suited to IT teams deploying 40 Gigabit Ethernet over existing MMF cabling between adjacent devices, such as two core switches or a server and a ToR switch. Operating temperature range 0–70 °C for use in controlled environments. Genuine Cisco hardware, manufacturer warranty.