The WD Caviar 'Blue' 1TB 7200 RPM WD10EALS SATA Internal Desktop Drive is a high-performance hard disk drive designed for use with PCs. With a storage capacity of 1 TB and a rotation speed of 7200 RPM, this Western Digital drive offers reliable and fast data storage and retrieval. As a recertified drive it has a black label (not blue) but is the "Blue" drive.
eBay