Grentech 40G QSFP+ DAC compliants with IEEE802.3ba and 10G/40G FCoE. It has QSFP+ to QSFP+ and QSFP+ to 4SFP+ breakout, the rate of a single channel is 10Gbps. The passive cable can transmit up to 7m, it has 30AWG and 24AWG, compliant with RoHs and LSZH. Widely uses in servers and storage devices, Fibre Channel, switches and routers, data center networks, BBU/RRU, etc. Get 40g dac cable price now!