When comparing Corsair Vengeance K70 RGB vs Let's Split, 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 Let's Split is ranked 23rd. 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 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.
Pro DIY
You can really make this board your own. The seperated space bar makes it even more fun than the regular Planck because you can program both space bars differently. You can also get the keys much more easily because you just need a pair of single key width keys.
Pro Split layout
You can set this board up in a very ergonomic manner
Cons
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.
Con DIY
Most people just want to buy a keyboard so that they can have it and type on it. But if you're ordering an ortholinear 40% split keyboard, you've probably already got strong enough opinions on switches, key layouts, and keycaps, that you're not going to be very satisfied with a mass market keyboard anyway.
Con Somehow cheaper to spec out than a Planck
This keyboard is based on the Planck. You would think that the Planck, what with its popularity, would cost more. Somehow, it's actually cheaper. This actually has to do with the case/frame. Instead of ordering a really nice prefabricated case, you end up ordering laser cut panels and spacers to create a frame to hold the whole thing high enough off your desk to type comfortably.