Selling a genuine Microsoft Natural Ergonomic Keyboard 4000 — warehouse new old stock (NOS) unit in as-new condition with its original retail box and packaging.
Part of Microsoft’s iconic Natural Ergonomic series, this model is designed to reduce wrist strain and promote a healthier, more natural typing posture — ideal for long work or typing sessions.
The split, gently curved layout positions your hands at a comfortable angle, while the tented key bed and cushioned palm rest support a neutral wrist alignment.
This model also includes a front tilt adjustment (unique to the 4000), allowing you to raise the front edge for optimal ergonomic comfort.
Dedicated multimedia keys and a zoom slider make it a great choice for productivity, creative work, or everyday use.
Features & Specs:
Ergonomic split keyboard layout for natural wrist and arm positioning
Tented, curved key bed with adjustable front tilt — reduces forearm strain
Cushioned palm rest for comfort during long typing sessions
Dedicated multimedia and shortcut keys including zoom slider and volume controls
USB wired connection – plug and play with modern Windows PCs
Sturdy build quality with the classic Microsoft key feel
Condition:
Warehouse new old stock (NOS) – appears brand new and unused
Keyboard tested and working on a Windows 11 PC
Box shows light storage wear on the edges and a tear on the front (likely unsold retail stock)
Photos show the actual item for sale and form part of the description — please inspect them carefully before purchasing
Included in this sale:
Microsoft Natural Ergonomic Keyboard 4000
Original box and internal packaging
Quick start leaflet
Shipping:
Securely packed and shipped via Australia Post or tracked courier
International shipping available — item is sold AS IS for buyers outside Australia; buyer bears all transit risks — no returns or refunds will be issued if the item arrives damaged or non-functional
Still one of the most comfortable and reliable keyboards Microsoft ever made — a classic ergonomic design in as-new condition, ideal for writers, professionals, or collectors of vintage computing gear.