Amazon.com: HP x240 10G SFP+ 7M Direct Attach Copper Cable : Electronics
Amazon.com: Mellanox LinkX - 100GBase-CU Direct Attach Cable - QSFP28 to QSFP28-3 m - SFF-8636/SFF-8665/IEEE 802.3bj - Halogen-Free, Passive - Black : Electronics
100G QSFP28 DAC Cable - 100GBASE-CR4 QSFP28 to QSFP28 Passive Direct Attach Copper Twinax Cable for Mellanox Ethernet MCP1600-C003, 3-Meter(10ft)
Amazon.com: Direct Attach Cable, 40G Single Channel Silver-plated Copper Wire Single Channel Cable for ThinkServer for High‑speed Networks(1 meter) : Electronics
Amazon.com: 10G SFP+ DAC Cable - 10GBASE-CU Active Direct Attach Copper Twinax SFP Cable for Brocade 10G-SFPP-TWX-0301, 3m : Electronics
Amazon.com: Mikro Tik Mikrotik XS+DA0001 Direct Attach Cable SFP 1G, SFP+ 10G and 25G SFP28 Support 1m Long : Electronics
Amazon.com: 40G QSFP+ to 4xSFP+ Breakout DAC - 40GBASE-CR4 Passive Direct Attach Copper Twinax QSFP to SFP Cable for Arista CAB-Q-S-1M Devices, 1-Meter(3.3ft) : Electronics