The Apple Hard Disk 20SC / 40SC / 80SC / 160SC are hard disk drives that were designed, manufactured, and sold by Apple from 1986 to 1989 as part of the Apple hard disk drive series. The hard disk drive has been introduced on September 15, 1986, and its price started at $1299.
Apple Hard Disk SC drive family features a half-height 5.25″ Seagate ST-225N or full-height 3.5″ MiniScribe 8425SA SCSI hard drive, 20 MB / 40 MB / 80 MB or 160 MB of storage, DB-25 connection ports, support for Macintosh Plus, Macintosh SE, Macintosh II, or Apple IIGS, Apple IIe, and Apple II Plus with SCSI card.
This external hard drive has been discontinued on August 1, 1989.
Today Apple Hard Disks SC is 35 years old!
Apple Hard Disk 20SC / 40SC / 80SC / 160SC Release Date and Original Price
|Introduced||September 15, 1986 (20SC / 40SC / 80SC)|
March 7, 1989 (160SC)
|Discontinued||August 1, 1989|
|Order Number||M2603 (20SC)|
|Original Price||$1,299 (20SC)|
|Weight||8 – 9.5 Ibs.|
3.628 – 4.309 KG
|Dimensions||3.1” H x 9.7” W x 10.5” D|
7.84 cm H x 24.63 cm W x 26.67 cm D
|Capacity||20 MB at up to 3600-rpm|
40 MB at up to 3662-rpm
80 MB at up to 3662-rpm
160 MB at up to 3600-rpm
|Data Transfer Rate||Up to 1.25 MB per second|
|Ports||2 – DB-25|
|Maximum Continuous Power||60 W|