Sterling interconnect solutions 40 Gb/s low power active optical cable assemblies offer a cost-effective, extended reach option for high-speed data center interconnects. Using 850 nm VCSEL technology, Sterling QSFP+ cable is an assembly of 4 full-duplex lanes, where each lane is capable of transmitting data at rates up to 10Gb/s per direction, providing an aggregated rate of 40Gb/s.