Vintage HDD 5.25" Seagate Model ST-225 - Computer Museum

Vintage hard disk drive, 5.25" - Seagate Model ST-225 The first HDD in the history of computing, manufactured in 1983. A 20 MB hard disk drive spinning at 3600 rpm. Manufactured for IBM Corporation, Armonk, New York. Dimensions: 20.5 cm x 14.5 cm