ATGBICS 02310MUJ compatible 40GBase-CU QSFP+ to QSFP+ direct attach cable operates over passive copper with a cable length of 5m. It is suitable for short reach connection between two QSFP+ ports in 40G interconnecting networking applications. Our product is built to the exact specification of Huawei 02310MUJ= and we proudly offer a compatibility guarantee and lifetime warranty. Our rigorously tested products record a unique traceable serial number and are fully compliant with all MSA Standards and protocols including; 40G InfiniBand 8x DDR, 4x QDR, IEEE 802.3ba 40Gigabit Ethernet, Fibre Channel, MSA QSFP+ SFF-8436 compliant.