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On October 15, 1990, Apple introduced the Apple Extended Keyboard II as part of their Apple Keyboard series. Apple designed, manufactured and sold this pointing device until its discontinuation on March 14, 1994.
The Apple Extended Keyboard II featured Function Keys on the top row and adjustable-height feet, making it a versatile option for users. It also utilized the new input connection method, the Apple Desktop BUS (ADB), which allowed for compatibility with the Macintosh and Apple II product lines.
At the time of its release, the Apple Extended Keyboard II was sold separately for $163. Today, 32 years after its discontinuation, the Apple Extended Keyboard II remains a classic input device for Apple enthusiasts and retro-tech enthusiasts alike.
While the Apple Extended Keyboard II may not be in production anymore, it’s worth looking back at this piece of Apple history and appreciating the innovative features it brought to the table.

Apple Extended Keyboard II Details
Introduced | October 15, 1990 |
Discontinued | March 14, 1994 |
Model Number | M3501 M0312 |
Original Price | $163 |
Weight | 2.7 Ibs. 1.224 KG |
Dimensions | 0.75″-1.6″ H* x 18.7″ W x 7.7″ D 1.87-4.06 cm H* x 47.49 cm W x 19.55 cm D |
System Requirements
- Macintosh with ADB port
Keyboard Specs
Keys in Total | 105 |
Alphanumeric | 48 |
Special | 1 – Power 15 – Function keys |
Numeric | 18 |
Cursor-control | 4 (T-style) |
Connections
Connection | ADB |
Further Reading and References
- Apple Extended Keyboard – Wikipedia
- Apple’s Extended Keyboard II: Sequel to a Legend – Low End Mac
- Apple Extended Keyboard II – Apple Rescue of Denver
- Apple Extended Keyboard II Teardown – iFixit
- Apple Extended Keyboard II Vs IBM Model M – Wired
- Today in Apple history: Apple’s last mechanical keyboard is a winner – Cult of Mac
- Reviewed:: Apple Extended Keyboard II – Macclack
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Last updated: May 27, 2023