Cisco QSFP-40G-LR4 | 40G QSFP+ | 40GBASE-LR4 | 1310 nm | 10 km | LC duplex SITC With 48GB of GDDR6 memory

With 48GB of GDDR6 memory

plus dual Gigabit Ethernet WAN and a 4-port PoE/PoE+ LAN switch

Delivers clear wideband audio

ideal for top-of-rack and adjacent device links where minimal slack and the lowest latency are preferred

High‑density indoor access point delivering Wi‑Fi 6 performance with OFDMA

Cisco QSFP-40G-LR4 | 40G QSFP+ | 40GBASE-LR4 | 1310 nm | 10 km | LC duplex SITC With 48GB of GDDR6 memoryHigh density 40GbE LR4 optic for long reach singlemode links up to 10 km using LC duplex connectivity. Compliant with 40GBASELR4 (IEEE 802. 3ba) and MSA QSFP+, with digital diagnostics for simplified monitoring. Ideal for spine leaf fabrics and campus core uplinks where 40G longreach is required.