The Seagate ST3400620A Barracuda 7200.10 400GB ATA HDD is a reliable internal desktop drive with a storage capacity of 4000GB ensuring efficient data access and transfer. This HDD is designed for use with PCs and is compatible with IDE interfaces. The sleek silver color and compact form factor make it a practical choice for expanding storage capacity in desktop systems. Made by Seagate, a trusted brand in the industry, this HDD is a dependable storage solution for your computer needs.