X142 40G QSFP+ MPO SR4 transceiver - Quad Small Form-factor Pluggable Plus (QSFP+) 4X 10-Gigabit, 850nm laser that provides 40-Gigabit connectivity up to 100m (328ft) on multimode fibers - has one Multiple-fiber Push-On (MPO) SR4 connector
HPE QSFP+ SR Transceivers
