HP AM326A, 4 GB, 2 x 2 GB, DDR3, 1333 MHz, 240-pin DIMM HP AM326A. Component for: PC/server, Internal memory: 4 GB, Memory layout (modules x size): 2 x 2 GB, Internal memory type: DDR3, Memory clock speed: 1333 MHz, Memory form factor: 240-pin DIMM, CAS latency: 9, ECC