40Gbps(4*10.3)-QSFP+-MMF-850nm-0.1km
IEEE 802.3ba, 40GBASE-SR4
MPO-12

40GBASE-SR4, 4 lanes, 850 nm MMF, 0.15km
MPO-12

QSFP-40G-ER4
40GBASE-ER4, 1310 nm, SMF
Transceiver Module,40G-1310nm-40km,SM,QSFP+,LC DDM

QSFP-40G-BIDI-SR-850nm
40GBASE-SR-BiDi, duplex MMF
Transceiver Module,40G-850nm-0.1km,MM,QSFP+,LC,DDM

Huawei 40GBase-iSR4-MP, PN:02313FYY,
Optical Transceiver,QSFP+.40G,Multi-mode(850nm,0.15km.MPO)(connecting to one QSFP + or four SFP+).Multi-pack

Huawei QSFP-40G-LC-SMF PN:34060645-003
High Speed Transceiver, QSFP+,1301 Band, 41.25Gbps,-7dBm, 2.3dBm,-11.5dBm, LC, SMF, 10km

Huawei QSFP-40G-eSR4-MP PN: 02313GAA
40G-850nm-0.3km-MM-QSFP
Desc: 40GBase-eSR4 Optical Transceiver, QSFP+, 40G, Multi-mode(850nm, 0.3km,MPO)(connecting to one QSFP+ or four SFP+)

40G QSFP+ ZR4 80km LC Connector Fiber Optical Module

40G QSFP+ IR4 2km LC Connector Fiber Optical Module

40GBASE-LR4 optical module -QSFP + -40G-single mode module (1310 nm, 10km, LC).