40 Gigabit Ethernet, 40GBase-eSR4 Network Technology, 50/125 µm Optic Cable, 1 x MPO 40GBase-eSR4 Network, QSFP+ Type. HPE JH233A is a HPE X142 40G QSFP+ MPO eSR4 300M XCVRr. QSFP+ optical transceiver modules provide a transmission rate of 40 Gbps and use MPO connectors.