When comparing Logitech G910 Orion Spark vs Das Keyboard 4 Professional, the Slant community recommends Das Keyboard 4 Professional for most people. In the question“What are the best mechanical keyboards?” Das Keyboard 4 Professional is ranked 3rd while Logitech G910 Orion Spark is ranked 12th. The most important reason people chose Das Keyboard 4 Professional is:
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.
Specs
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Pros
Pro RGB backlighting
Like the Blackwidow Chroma and K95/70/65 RGB keyboards, the G910 supports custom per-key RGB colors.
Pro Almost no LED bleeding
Because the Romer-G switches actually have LEDs inside them, which is impossible with switches like Cherry MX, Kailh or Topre, it's very difficult for any of the light to bleed out. It still happens a bit, but not much.
Pro Windows key locking
Most keyboards support this in one form or another, but the G910 has a nice big button next to the lock LEDs.
Pro Lots of macro keys
G1-G5 are easy to reach, G6-G9 less so. There are also M1, M2, and M3 profiles, which can hold a complete set of G-keys each. LGS can also configure this per-game, so players of multiple MMOs can have three sets of G-keys for each MMO rather than just three in total.
Pro Logitech Gaming Software
The G-keys and lighting have tons of configuration options in LGS. This is also a pro for users of Logitech G-Series mice and headsets, as you only need one software installation to work with all of them.
Pro Arx Dock
Instead of the LCD screen that Logitech put into several previous keyboards, the G910 has a phone dock and iOS/Android app. This has several advantages over the embedded screen, mostly lower cost and the ability to control the screen on its own. Arx Control can monitor system temperatures and clocks and even launch games.
Pro Media keys
Like most large gaming keyboards and unlike smaller, general-purpose keyboards (Ducky, Leopold, Topre, etc.), the G910 has a full set of media keys (play/pause, stop, rewind, fast-forward, mute, and a volume roller).
Pro LUA scripting
LGS has a LUA scripting engine in case its macro capabilities aren't enough. Unfortunately, scripts are wholly separate from macros, so you can't save scripts and then use the GUI to assign them to keys.
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.
Cons
Con Feet are rather short
The G910 is almost completely horizontal with the feet out, and it actually angles backward with them retracted. Longer legs would help a lot.
Con No custom keycaps
There are no custom keycaps for Romer-G switches. Also, since they have completely different stems from all other existing switches, keycaps made for other switches also can't be used.
Con Lighting modes are restrictive
Each key can be set individually, but if you want to create an animation, then it has to be across the whole keyboard. It's no possible, for example, to animate just the number pad.
Con Wrist rest cannot be removed
The G910 has a wrist rest skeleton built onto it. It comes with two covers, one covers the skeleton and the other one extends it, but it cannot be removed.
Con Keycap font
The keycap font is one of those that can be referred to as a stereotypical "edgy gamer" font. Something more discreet, like Arial, would be much better.
Con Takes up much space
The G910 is very large, even for a fullsize keyboard.
Con Long key travel distance
The G910's Romer-G switches have a longer travel distance than most domes.
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.