Western Digital Caviar 20.4GB hard disk drive (part no. WD204BB) in 3.5-inch form factor. Features 7200 RPM spindle speed with 2MB cache and ATA-100 (PATA) interface for sustained data access up to ~100 MB/s. Designed for legacy desktop systems and workstations from the late 1990s and early 2000s requiring reliable mechanical storage. Not suitable for modern systems without adapter or controller card. Typical applications include archival, retrocomputing projects, or replacement in existing hardware where ATA connectivity is present.
Tested and guaranteed. Available via quote from G5 Network Group.
