Your 10G switch needs a direct attach to the uplink and you don't want to be hunting for a compatible DAC. This is the D-Link DEM-CB100S — a 1-metre passive SFP+ twinaxial cable built for 10Gbps Gigabit Ethernet connections between switches or to an uplink. Plug it in, link lights come on, done
| brand | D-Link |
| model | DEM-CB100S |
| cable_type | Passive SFP+ Twinaxial Direct Attach |
| length | 1 metre |
| speed | 10Gbps Gigabit Ethernet |
| category | Technology / Networking |