GIGALIGHT 100G QSFP28 SR4 immersible liquid-cooled optical transceiver modules are used for short-haul interconnections in data centers and are compliant with the IEEE 802.3bm 100GBASE-SR4 Ethernet transport protocol, as well as compatible with the IEEE 802.3by 25GBASE-SR Ethernet and InfiniBand EDR transport protocols. The series uses 4 parallel pairs of multimode fiber for transmission over distances up to 70m (OM3) or 100m (OM4), with MPO12/PC connectors for pigtails and customizable cable lengths.