QSFP-4SFP10G-CU4M

Cisco 40GBASE-CR4 QSFP to 4 10GBASE-CU SFP+ direct-attach breakout cable, 4-meter, passive

The Cisco QSFP-4SFP10G-CU4M is a passive copper breakout cable to connect 40G QSFP ports to four 10G SFP+ ports over 4m reaches.