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Microsoft Natural Ergonomic Keyboard 4000

Free shipping & free returns

Product #G53577
Back Features

Over the past 11 years, Microsoft Hardware has been evolving its #1 best-selling Natural keyboard with timesaving features and sleek finishes. Now, the company is excited to introduce a new Natural keyboard featuring a breakthrough ergonomic design, developed for the loyal users that already love split keyboards.

Natural Ergonomic Keyboard 4000 has been expertly crafted to allow you to work in a more natural position. The new Gull Wing design features a 14-degree gable, a natural arc and a curved key bed - bringing the keys closer to your fingers to reduce reach and unnecessary motion, while encouraging a more natural typing position. It also comes equipped with an optional palm lift for a seven-degree reverse slope and a cushioned wrist rest that encourages better arm and wrist alignment. To view these advanced design features watch the Comfort flash demo.

Palm Rest

Return & exchange information

We have extended our return policy for the holidays. All purchases made between 11/1/15 – 12/25/15 will have until January 15th, 2016 to return.

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Back Specs

Product specifications

Keyboard/Keypad Connectivity Technology


Keyboard/Keypad Host Interface


System Requirements

  • CD-ROM drive


  • 30 MB of Hard disk
  • For Multimedia Key(s): iTunes
  • Operating System(s): OS X 10.2 to 10.3 (excluding Mac OS X 10.0 to 10.1)
  • For Internet and E-mail Key(s):
  • Opera 7
  • MSN Explorer 4
  • Apple Safari 1.2
  • Mozilla Firefox 1.0
  • Netscape Navigator 7
  • Microsoft Internet Explorer 5.2.3


  • 128 MB of RAM
  • 60 MB of Hard disk
  • Intel Pentium 233 MHz or higher processor
  • Operating System(s):
  • Microsoft Windows 2000
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Media Center Edition
  • Microsoft Windows XP Tablet PC Edition
  • For Multimedia Key(s):
  • Microsoft CD Player
  • Microsoft Deluxe CD
  • Microsoft Windows Media Player
  • For Internet and E-mail Key(s):
  • AOL 7.0
  • AOL 8.0
  • AOL 9.0
  • MSN Explorer 7.0
  • MSN Explorer 8.0
  • Netscape Navigator 6.1
  • Netscape Navigator 6.2
  • Netscape Navigator 7.0
  • Microsoft Internet Explorer 5.0 or higher


Microsoft Corporation

Manufacturer Website Address


Manufacturer Part Number


Return & exchange information

We have extended our return policy for the holidays. All purchases made between 11/1/15 – 12/25/15 will have until January 15th, 2016 to return.


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Back Special offers
  • Free shipping & free returns
Back Reviews

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In-home warranty is available only on select customizable HP desktop PCs. Need for in-home service is determined by HP support representative. Customer may be required to run system self-test programs or correct reported faults by following advice given over phone. On-site services provided only if issue can't be corrected remotely. Service not available holidays and weekends.

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