Part No: WD1600JS-23MHB0 - Western Digital Caviar Blue 160GB 7200RPM SATA 3GB/s 8MB Cache 3.5-inch Hard Disk Drive

Model Number: WD1600JS-23MHB0
Capacity: 160GB
RPM (Rotations Per Minute): 7200 RPM (providing a balance of speed and storage capacity)
Interface: SATA 3Gb/s (Serial ATA) for fast data transfer
Cache Size: 8MB, which helps improve data access speeds
Form Factor: 3.5 inches, the standard size for desktop HDDs