HP rx7640/rx8640 2GB Memory Module
HPE 2GB DDR2-533, 2 GB, 2 x 1 GB, DDR2, 533 MHz, 240-pin DIMM
HPE 2GB DDR2-533. Component for: PC/server, Internal memory: 2 GB, Memory layout (modules x size): 2 x 1 GB, Internal memory type: DDR2, Memory clock speed: 533 MHz, Memory form factor: 240-pin DIMM, CAS latency: 4, ECC