StarTech.com Cisco SFP-H10GB-CU3M Compatible 3m 10G SFP+ to SFP+ Direct Attach Cable Twinax - 10GbE SFP+ Copper DAC 10 Gbps Low Power Passive Transceiver Module DAC Firepower ASR920 (SFPCMM3M)
StarTech.com 3m Cisco Compatible SFP+ 10-Gigabit Ethernet (10GbE) Twinax Direct Attach Cable.