Black Box SFP+ Direct Attach Cables provide premium, error-free performance for data, storage and high-performance computing (HPC) interconnectivity. They are 100% compatible with Cisco SFP-H10GB-CUxM=, allowing you to easily make connections amongst your Cisco switches, routers and servers. Constructed for full compliance with the SFP+ Multi-Source Agreement (MSA) and SFF-8431 industry standards, you can also make connections amongst your non-Cisco, 10-Gbps compatible networking equipment. Programmed, tested and serialized to ensure compliance and functionality, Black Box Direct Attach Cables are the ideal solution for 10-Gbps Ethernet, fiber channel applications and more.