Apple Hard Disk 20SC / 40SC / 80SC / 160SC

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 drive20 MB / 40 MB / 80 MB or 160 MB of storageDB-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 36 years old!

Apple Hard Disk 20SC
Source: computinghistory.org.uk – Apple Hard Disk 20SC

Apple Hard Disk 20SC / 40SC / 80SC / 160SC Release Date and Original Price

IntroducedSeptember 15, 1986 (20SC / 40SC / 80SC)
March 7, 1989 (160SC)
DiscontinuedAugust 1, 1989
Order NumberM2603 (20SC)
M2604 (20SC)
M2644 (40SC)
M2688 (80SC)
M2666 (160SC)
Original Price$1,299 (20SC)
$1,999 (40SC)
$3,199 (80SC)
$2,599 (160SC)
ColorsPlatinum
Snow White
Weight8 – 9.5 Ibs.
3.628 – 4.309 KG
Dimensions3.1” H x 9.7” W x 10.5” D
7.84 cm H x 24.63 cm W x 26.67 cm D

Previous models

System Requirements

Storage

Capacity20 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 RateUp to 1.25 MB per second

Connections

ConnectionDB-25
Ports2 – DB-25

Power

Maximum Continuous Power60 W

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