Dell MC357 20-pin SAS backplane power cable designed for PowerEdge 1950 generation servers in large form factor (LFF) configurations. This cable supplies power to SAS/SATA drive backplanes and supports standard 3.5" drive bay layouts typical of 1U/2U PowerEdge platforms. Compatible with PowerEdge 1950, 1950 II, and similar era Dell servers using LFF SAS backplanes. The 20-pin connector interfaces with proprietary Dell backplane power headers and integrates with standard PSU outputs. Commonly deployed in data center environments for redundant storage arrays, virtualization hosts, and database servers requiring hot-swap drive capability. Refurbished unit tested and guaranteed, available via quote.