QSFP-4X10G-AOC1M - Cisco Compatible 1 Metre 40G QSFP+ to 4x10G SFP+ Breakout Active Optical Cable - GBICS.com
40G QSFP+ to 4x10G SFP+ Breakout DAC Twinax Cable for Cisco QSFP-4SFP10G-CU1M, 1-Meter(3.3ft), 40GBASE-CR4 Direct Attach Copper(DAC) Passive Copper Cable, for Cisco, Ubiquiti and More : Amazon.com.au: Electronics