The XDACBL1M is a 1 meter (3.3 ft) SFP+ 10 GbE Direct Attach passive copper cable. The XDACBL1M SFP+ Direct Attach cables offer a highly cost-effective way to connect within racks and across adjacent racks and are fully compatible with the Intel Ethernet Converged Network Adapter X520 Family (X520 product codes: E10G42BTDA, E10G41BFSR, E10G42BFSR, E10G41BFLR). The Intel Ethernet SFP+ Twinaxial Cables are compliant to the latest SFP+ MSA (Multi-source Agreement) with a reduced power budget and lower port cost compared to optical solutions.