WD Blue PC Desktop Hard Drive 3TB WD30EZAZ Boost your PC storage with WD Blue drives, the brand designed just for desktop and all-in-one PCs with a variety of storage capacities. Specifications: Capacity 3 TB Host to/from drive 180 MB/s Interface SATA Form Factor 3.5 Inch Cache Size 256 MB Disk Speed (RPM) 5400rpm Compatibility Windows® 10, Windows 8.1, Windows 7 macOS High Sierra™, Sierra El Capitan Recording Technology SMR Dimensions (L x W x H) 5.79" x 4" x 1.03"