When comparing Planck vs Corsair Vengeance K70 RGB, the Slant community recommends Corsair Vengeance K70 RGB for most people. In the question“What are the best mechanical keyboards?” Corsair Vengeance K70 RGB is ranked 5th while Planck is ranked 17th. The most important reason people chose Corsair Vengeance K70 RGB is:
The K70 uses Cherry MX Red key switches, which deliver a smooth, linear key response with a wide actuation zone. They have the responsiveness you need for perfectly executing double and triple taps, and there’s no audible click or tactile “bump.”
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Pros
Pro Tiny layout
You can throw this thing in your backpack. You can take it with you everywhere. If you don't have a lot of space on your desk, this will probably fit.
Don't confuse this for a netbook keyboard though. All the keys are the full size and are as far apart as a normal, regular keyboard. But there are fewer keys. The keys you can't access directly can be found via the "raise" and "lower" keys.
Pro DIY
You get to pick your switches. You get to choose your key caps. You get to select your case. You get to pick your layout. You get to reprogram your board. You even get to pick your firmware! This keyboard will be really and truly yours!
Pro Ortholinear key layout
This layout is different from a regular staggered layout. Some people really like this change in layout.
Pro First-class mechanical switches
The K70 uses Cherry MX Red key switches, which deliver a smooth, linear key response with a wide actuation zone. They have the responsiveness you need for perfectly executing double and triple taps, and there’s no audible click or tactile “bump.”
Pro 16.8 million color backlighting
The Vengeances K70 RGB has a 16.8 color backlighting system that allows for so many color customization options that the possibilities are most likely endless.
Pro Special keys are textured
Special keys are of textured, red colors, which facilitates access to common functions without looking at the keyboard (for example, numbers 1 through 6, and WASD keys).
Pro Easy to clean and replace keys
Thanks to an included small wrench, that can be used to remove and replace the keys, the K70 is easy to partially disassemble and clean.
Pro Real hand scale
The size of the keys is ideal for standard to bigger sized hands.
Cons
Con Tiny layout
You have to build this thing. The keys are laid out weird. And now you don't even get numeric keys? WHERE DOES THE MADNESS END!?
Con Ortholinear key layout
You just went through all the work to solder this together and now you need to relearn how to type? Where does it all end?!
Con DIY
You have to pick your switches. You have to choose your key caps. You have to select your case. And then you have to build it.
Con Software is difficult to figure out
The CUE software the is needed to program the backlighting and keys is difficult to understand, making customizing the keyboard a cumbersome chore.