When comparing Das Keyboard 4 Professional vs Kinesis Advantage2, the Slant community recommends Kinesis Advantage2 for most people. In the question“What are the best keyboards for programming?” Kinesis Advantage2 is ranked 8th while Das Keyboard 4 Professional is ranked 11th. The most important reason people chose Kinesis Advantage2 is:
Having multiple keys under the thumbs lets you keep the rest of your hands still, and helps prevent reaching. For example, the backspace key on a regular keyboard is way in the top right corner, while on the Kinesis keyboard it's under the left thumb. So, to hit the backspace button you just need to move your thumb while on regular keyboards you need to move your whole right hand and stretch your pinky to reach it.
Specs
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Pros
Pro Reliable and long-lasting mechanical switches
Das 4 Pro keyboards feature Cherry MX switches, know for their established reputation. They have excellent durability and outstanding performance. Users can choose between the Cherry MX Blue and Cherry MX Brown switches. The main difference is that the first ones are clicky and the second ones are quiet.
Pro Conveniently located two-port USB 3.0 hub
The location of the hub, on the top right side, makes adding a mouse very convenient.
Pro Solid, durable construction
The Das uses the best materials available to create a stable, durable board. Some parts are made of aluminum which prevents any flexing and others of resistant textured plastic, making this a keyboard that withstands damage very well. And the switches are genuine Cherry MX switches, which are durable and reliable. The keycaps text is laser etched, meaning it withstands the test of time pretty well.
Pro Beautiful design
The Das 4 Pro keyboard has a beautiful nearly-minimalist design. The volume wheel and slight protrusion on the top right help it stand out from the crowd. The front is covered with a matte aluminium finish that resists fingerprints.
Pro Ultimate version looks very slick
The Ultimate version of the keyboard looks badass with its blank keycaps.
Pro Top panel resists fingerprints and provides rigidness
It has an aluminum top panel which not only feels great, but also resists fingerprints and prevents any flexing.
Pro Comes with dedicated media controls and an oversized volume knob
There are three rectangular media keys: previous, play/pause, and next. Just above the next key there's a circular mute button, and on the right of all the other media keys is a volume knob that can be spun to adjust the volume.
Pro Very thin
Das claims that this keyboard is the thinnest mechanical keyboard available on the market.
Pro Each key has the perfect stabilizer for its size
This keyboard uses an innovative mix of Cherry and Costar stabilizers. Costar stabilizers have many advantages, but they don't work very well on large keys, like spacebars. To get the best of both options, Das uses Costar stabilizers on all keys, except on the space bar, where it uses Cherry stabilizers.
Pro Clusters of keys under each thumb means less reaching
Having multiple keys under the thumbs lets you keep the rest of your hands still, and helps prevent reaching. For example, the backspace key on a regular keyboard is way in the top right corner, while on the Kinesis keyboard it's under the left thumb. So, to hit the backspace button you just need to move your thumb while on regular keyboards you need to move your whole right hand and stretch your pinky to reach it.
Pro Optimised, ergonomic shape that significantly reduces the risk of RSI
This keyboard is sculpted to fit the curvature of your hand more naturally than regular flat boards. This helps reduce the risks of suffering repetitive strain injuries.
Pro No need to constantly move hands sideways
One of this keyboard's best features is that the keys are vertically aligned in straight columns, so that you're not constantly exercising the muscles to move your fingers slightly to the left or to the right. It makes a huge difference.
Pro Comfortable palm rests
The large, raised palm rests provide comfort while typing.
Pro Prepared for macOS, Windows and Linux
Besides the option of easily changing between pre-programmed layouts of these 3 systems, extra OS-specific keycaps come with the keyboard.
Pro Very programmable
This keyboard has several programmable options, like Macro recording, key remapping or keyboard layout (the keyboard can be changed from QWERTY to Dvorak with the touch of a button).
Pro No undesirable movements
Because of its size, this keyboard stands firmly on the desk and doesn't suffer from unwanted movement during use.
Pro Dvorak built in
The keyboard has the dvorak layout built in, so you can switch with a keypress.
Pro Tweaked layout that saves your hands
This keyboard has numerous ergonomic advantages over a keyboard with a standard layout. Some of them are obvious and some are subtle, but they are synergistic and result in a typing experience that places far less stress on the hands. Learning a tweaked keyboard layout is a small price to pay to avoid RSI (repetitive strain injury).
Pro No thumb conflict over the spacebar
On common keyboards, both thumbs rest over the spacebar, meaning they can knock against each other. On the Advantage 2 keyboard, only one thumb can press the keyboard, eliminating this problem.
Pro Good for learning how to touch type
This layout, because of its uniqueness, is perfect to learn touch typing. Even for those that were never able to learn it with common keyboards. It still requires practice to get proficient, of course.
Cons
Con Has numeric keypad
If you are an accountant, a numeric keypad might be an advantage. But to those of us who want to use a mouse, it's a definite con. Moving the mouse further right opens the shoulder joint and is just bad ergonomically.
Con Not suitable for use in the dark
The Das 4 Pro keyboard doesn't have any backlighting. This means you will probably find it a bit hard to use on a dark environment.
Con Potentially uncomfortable to use, depending on your wrist placement
The edges of the keyboard are not rounded, so it can be painful if you rest your wrists on them.
Con No calculator button
There's no calculator shortcut button.
Con Not very portable
The Das 4 Pro keyboard has external dimensions of 18'' x 6.8'' x 0.8'' ( 457 x 173 x 20 mm ) and weight of 2.9 pounds (1.3 kg). Hence, it’s not an easy keyboard to carry around. This makes the fact that it’s the slimmest mechanical keyboard on the market loose value.
Con Expensive
This keyboard is quite expensive, especially if compared, in terms of extra features, to similarly priced keyboards made by other brands. It notably misses features like USB passthrough or RGB lighting, which is surprising for a keyboard with a retail price of $169.
Con Can be a bit flakey at times
The downside of this keyboard is that it can occasionally act up. The biggest problem is that the up-event for a key occasionally gets lost and then some key will auto-repeat until you press it again. Or even worse, it's a key that has no visible effect like an Alt key, and then you have to figure out which key it is that is in the virtual down position, and press it again. It has had this same problem for the last 20 years. You learn to live with it for the sake of your hands.
Con Not great for gaming
This keyboard is amazing for typing, but not great for gaming. Many games make intensive keys such as the Arrow keys or the Alt, Control and Shift keys. With this keyboard, it's not very comfortable to use them so frequently.
Con Proficiency means overcoming a learning curve
Becoming an expert at using this keyboard’s optimized design needs time and patience, since it’s so different from what most people are used to. Some of its drastic layout changes can be disorienting at first. For example, the four arrow keys are separated: up and down on the right side cluster; left and right on the left side cluster.
It’s also built to enforce healthier hand posture and movements, that may feel weird at first. For instance, the keyboard trains you (using a deactivatable key feedback) to press keys smoothly instead of smashing down, which reduces hand strain. Usually, it takes between two to four weeks of regular use to feel completely comfortable at using this keyboard.
Con Not for heavy shortcut users
Con Different switches for the function keys
The functions keys are not build with the same switches than the other keys: they use Cherry ML switches instead of Cherry MX Brown switches. Because of their shorter travel distance, the ML feels quite different. It's awkward to have such different sensations for different parts of the keyboard.
Con Quite bulky, therefore not very portable
As a direct consequence of its unconventional ergonomic shape, the Advantage2 is quite bulky. At 16.5 in’ x 8 in’ x 2.88 in’ (419 mm x 203 mm x 73 mm), it's not the most portable keyboard.