QSFP-4SFP10G-CU1M
1m (3ft) 40G QSFP+ to 4x10G SFP+ Passive Direct Attach Cable.
QSFP-4SFP10G-CU2M
2m (7ft) 40G QSFP+ to 4x10G SFP+ Passive Direct Attach Cable.
QSFP-4SFP10G-CU3M
3m (10ft) 40G QSFP+ to 4x10G SFP+ Passive Direct Attach Cable
QSFP-4SFP10G-CU5M
5m (16ft) 40G QSFP+ to 4x10G SFP+ Passive Direct Attach Cable.