StarTech.com Dell EMC QSFP-40G-ESR4 Compatible QSFP+ Module - 40GBase-SR4 Fiber Optical Transceiver
STARTECH.COM (0065030884242 / QSFP40GESR4E) - Dell - QSFP-40G-ESR4 - Full - MPO - QSFP+ - Fiber optic - Certification: CE, FCC, UL, REACH - Colour: Silver - Depth: 13.9 mm - Height: 12.6 mm - Master outer case height: 35 cm
