1x 4GB DDR3 1333MHz, Single, PC3-10600, CAS-9
HP 4GB DDR3 1333MHz, 4 GB, 1 x 4 GB, DDR3, 1333 MHz
HP 4GB DDR3 1333MHz. 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