Western Digital WD10JPVX 1TB 2.5" Internal Hard DriveUpgrade Your Storage with the WD Blue 1TB HDD The WD Blue WD10JPVX internal hard drive provides reliable storage for laptops and other devices. With a 1TB capacity, it offers ample space for your files, while its SATA interface ensures fast data transfer speeds. Capacity: 1 TB Form Factor: 2. 5 inch Interface: Serial ATA Transfer Method: Serial ATA Rotational Speed: 5400 rpm Cache: 8 MB