HP-Compaq 2x2GB DDR2 FBDIMM PC2-5300 Fully Buffered Dual Kit Pins: 240 Voltage: 1.8V Frequency: 667MHz Ranks: 2 Compatible Products 397413-B21 (HP/Compaq); 397413-S21 (HP/Compaq); 442823-B21 (HP/Compaq); 461828-B21 (HP/Compaq); EM161AA (2pcs) (HP/Compaq) Compatible Systems HP-Compaq StorageWorks 400r All-in-One StorageWorks All-In-One 600 (AiO600) HP-Compaq Proliant ProLiant BL20p G4 Server Blade ProLiant BL460c G5 ProLiant BL460c Server Blade ProLiant BL480c Server Blade ProLiant BL680c G5 ProLiant DL140 G3 ProLiant DL160 G5 ProLiant DL180 ProLiant DL360 G5 ProLiant DL380 G5 ProLiant DL580 G5 ProLiant ML150 G3 ProLiant ML350 G5 ProLiant ML370 G5 ProLiant xw460c Blade Workstation HP-Compaq xw Workstations Workstation xw6400 Workstation xw6600 Workstation xw8400 Workstation xw8600