Part Number Description
UCSC-C220-M4L C220M4 LFF w/o CPU,mem,HD,PCIe, PSU, rail kit
UCSC-C220-M4L= UCS C220 M4 LFF w/o CPU, mem, HD, PCIe, PSU, rail kit
UCSC-C220-M4S UCS C220 M4 SFF w/o CPU, mem, HD, PCIe, PSU, rail kit
UCSC-C220-M4S= UCS C220M4SFF w/oCPU,mem,HD,PCIe,PSU,rail kit