ATGBICS E40G-QSFP-QSFP-P-0301 compatible 40GBase-CU QSFP+ to QSFP+ direct attach cable operates over passive copper with a cable length of 3m. It is suitable for short reach connection between two QSFP+ ports in 40G interconnecting networking applications. Our product meets or exceeds the specification of Ruckus Brocade E40G-QSFP-QSFP-P-0301= 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.