Request a product

Apple Apple Adjustable Keyboard vs Apple Apple Extended Keyboard

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

AppleApple Adjustable KeyboardAppleApple Extended Keyboard
Overview
ReleasedFebruary 19931987
Typing
LayoutFull sizeFull size
SwitchesMechanicalMechanical
Key travel3.5 mm–
BacklightNoneNone
Keys labelled forMacMac
Touch IDNoNo
SwitchesAlps SKFS mechanical switches on the main typing keys, identified by owners on Deskthority; Apple specifies 3.5 mm key travel.Alps SKCM Orange or Salmon mechanical switches in M0115 variants, identified by Deskthority.
LayoutsApple's ANSI set totals 111 keys across the split main keyboard and separate extended keypad; an ISO version has 112.Apple's July 1987 product sheet lists 105 keys, including a numeric pad, 15 function keys, six editing keys and inverted-T arrows.
Special keysThe separate keypad holds 15 function keys, six editing keys, four inverted-T arrows and an 18-key numeric pad; main keyboard has volume, mute and record keys.F1–F15; the case marks F1–F4 for undo, cut, copy and paste, though Apple says these actions were not assigned by default.
Connections and battery
Connects byCableCable
PowerCableCable
ReceiverApple Desktop Bus connection; Apple's order list includes a 1 m coiled ADB cable and a 340 mm jumper cable for the keypad.Apple Desktop Bus cable; Apple's product sheet says another ADB input device can be chained through the keyboard.
Works withApple's announcement says it works with Macintosh computers running System Software 6.0.7 or later and an ADB port.Any Apple personal computer with an ADB interface, according to Apple; the product sheet names the Macintosh SE and II.
Design
Weight1700 g1600 g
Width × depth × height–486 × 188 × 56.4 mm
MaterialsSplit beige plastic enclosure with detachable palm rests and feet; the main keyboard opens from 0° to 30°.Beige plastic enclosure with fixed slope.
ColoursBeige.Beige.
In the boxMain keyboard, three palm rests, extended keypad, template, ADB cables, installer disk and manual in Apple's order list.Apple's order list includes the keyboard and cable, referral card and limited warranty statement.

More comparisons