Western Digital Blue 1TB SATA 2.5" Laptop Hard drive HDD 5400 RPM
1TB WD Blue SATA III 2.5" Internal Hard Drive Disk. Buffer To Host (Serial ATA) 6 Gb/s (Max). Buffer Size 8 MB. Interface SATA 6 Gb/s. Rotational Speed 5,400 RPM (nominal). Exact model number drive will be supplied.