Western Digital Blue Desktop 500 GB 7200RPM SATA III 3.5-Inch PC Hard Drive - Bl
1 x WD Blue Desktop 500GB SATA III 3.5" Hard Drive. Connectivity: SATA. Designed just for desktop and all-in-one PCs. Models up to 1 TB can be both 5400-RPM & 7200-RPM Class. Models that are 2 TB and above are 5400-RPM.