StarTech.com MSA Uncoded 15m 40G QSFP+ to SFP AOC Cable - 40 GbE QSFP+ Active Optical Fiber - 40 Gbps QSFP Plus Cable 49.2' - 100% MSA Uncoded active optical cable (AOC) - 15m Cable, 40 Gbps, Active Optical Fiber, 2x QSFP+ Pluggable Connector - Works with MSA compliant switches that accept uncoded t