Mellanox's passive copper cables provide robust connections for leading edge 56Gb/s systems. Passive copper cables require no additional power to ensure quality connectivity. The 56Gb/s passive copper cables are fully compliant with SFF-8436 specification and provide connectivity between devices using QSFP ports. Mellanox's 56Gb/s passive copper cables fill the need for short, cost-effective connectivity in the data center. Mellanox's high-quality solutions provide a power-efficient replacement for active power connectivity such as fiber optic cables for short distances. Optimizing systems to operate with Mellanox's 56Gb/s passive copper cables significantly reduces power consumption and EMI emission, eliminating the use of EDC hosts.