A number that indicates important features of a hard disk, such as the number of platters and cylinders. However, the numbering scheme has broken down over the last few years and is no longer used by most disk drive manufacturers.
KDS Disc Drives
145.00250GB SATA 7200 RPM SUN DRIVE TYPE: SUN 250G
Amazon Marketplace
49.00Hitachi 4 GB CompactFlash+ Type II Microdrive General Features: 4 GB capacity Type II CF+ interface 3600 RPM speed 128 KB buffer 12 ms average seek ti...