Dell 337MK is a 5-meter SFP+ direct-attach copper (DAC) twinax cable rated for 10 Gigabit Ethernet connectivity. Part number 337MK supports point-to-point connections between SFP+ transceivers on compatible switches, routers, and network interface cards without requiring separate transceivers or external optics. The passive copper design delivers full 10G throughput with minimal latency, making it suitable for data center rack-to-rack interconnects, server-to-switch uplinks, and storage area network (SAN) deployments. Operating range of 5 meters covers typical short-haul runs in enterprise environments. Compatible with Dell PowerEdge servers, PowerSwitch networking gear, and third-party equipment supporting standard SFP+ interfaces. This refurbished cable has been tested and guaranteed to specification; available via quote.