4GB (1x4GB), DDR3-1333, Reg CAS-9
HPE 604500-B21, 4 GB, 1 x 4 GB, DDR3, 1333 MHz
HPE 604500-B21. Component for: PC/Server, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR3, Memory clock speed: 1333 MHz, CAS latency: 9