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
QSFP+ to SFP+ Adapter (QSA Adapter) Vs. QSFP+ Breakout Cable