Microsoft Natural Ergonomic Keyboard 4000 vs Topre Realforce 104UB

The 4000 keyboard is designed to be more comfortable to type on than regular rectangular keyboards. Its key rows curve to match the human hands’ angled resting position, eliminating the wrist strain that happens with regular keyboards. This is an important factor in reducing the risk of injury.

With a retail price of $39.04, this keyboard is considerably more affordable than most ergonomic keyboards on the market. It doesn’t have the same caliber as more premium keyboards, but it’s a top option for those on a budget who are looking for a good ergonomic option.

While the 4000 keyboard can be raised at the back like conventional keyboards, it also comes with a detachable platform that raises the front of the keyboard. This creates a negative tilt more natural to the arm-hand alignment.

Foam cushions support one’s wrists while typing, preventing “hanging hands,” which can cause fatigue over extended periods.

Due to its size, this keyboard is great for those who have big hands.

This keyboard has hotkeys for things like media control, zoom or launching applications. The function keys also have secondary functions, activated by an F-lock key. Some of them are customizable via a companion app (for Windows and macOS) that ships with the keyboard.

On macOS, users have the option of swapping the Windows and Alt keys, so they match the Option and Command key order found on standard Apple keyboards, even if no alternate keycaps or stickers are provided for use with this OS.

The number pad, the arrow keys, Insert, Home etc. are all in their standard positions which is not common on Ergonomic keyboards.

Topre switches are a mix between mechanical switches and rubber dome switches. They have mechanical components, however they are covered beneath a rubber dome which protects the switch. They bring a mechanical feel, and mix it with the durability of a rubber dome switch.

Variable weights under each specific groups of keys was done in a bid to prevent RSI (repetitive strain injury). For instance, the groups of keys that the pinky finger hits are much lighter/softer than the rest of the groups of keys that are pressed by the rest of the fingers. Variable weights are achieved by having either heavier or lighter rubber domes. Whilst this idea is very useful for normal typing, for gaming it's not so great: for instance, when dealing with First Person Shooter games that requires WASD keys, those sets of keys feel very light when fingers other than the pinky are used to actuate them.

Silenced Topre switches are designed for those who do not particularly like the sound of keyboards being tapped on or for those who may be concern over disturbing others when using a noisy keyboard. Silencing is done mainly by placing a material that absorbs the sound of the slider when it makes contact with the slider housing. This thereby prevents excessive noise when the key has been released after it has been actuated. The overall effect of a silenced Topre is quite astounding as it may give the impression one is on a cheap keyboard (obviously, the reality is actually the opposite).

PBT (polybutylene terephthalate) keycaps last longer than other keycap materials, and are more durable. They are more expensive than ABS (acrylonitrile butadiene styrene), which is why they are less commonly found.