Intel X4DACBL3 Ethernet Qsfp + Breakout Cable, Connector QSFP+ to 4 SFP+, Minimum Bend Radius 21mm, Max Data Rate 40Gbps, Wire AWG 30AWG, Jacket Material PVC (OFNR), Protocols 40G InfiniBand 8x DDR, 4x QDR, 10G/40Gigabit Ethernet, Fibre Channel. The QSFP-4SFP10G-DAC-P3M QSFP+ to 4xSFP+ direct attach copper breakout cable assembly (also known as DAC) is suitable for very short distances and offers a highly cost-effective way to establish a interconnect between the devices using QSFP+ ports and SFP+ ports.