Western Digital WD1600BEVT 160GB 2.5" SATA 5400 RPM NOTEBOOK HARD DRIVE 8MB CACHE Works with the following models: Compaq 102431-293, Compaq 102432-293, Compaq 102433-293 Compaq 106056-003, Compaq 123864-999, Compaq 138458-293, Compaq 138458-AA3, Compaq 146107-007