When comparing Truly Ergonomic 209 vs Corsair K70, the Slant community recommends Truly Ergonomic 209 for most people. In the question“What are the best keyboards for programming?” Truly Ergonomic 209 is ranked 44th while Corsair K70 is ranked 45th. The most important reason people chose Truly Ergonomic 209 is:
The 209 comes with blank keycaps, which looks great. It also helps learning how to touch type.
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Pros
Pro Blank keys look sly
The 209 comes with blank keycaps, which looks great. It also helps learning how to touch type.
Pro Comfortable and ergonomic
The 209 is designed ergonomically, so it fits user's hands naturally, making it comfortable to use.
Pro Non-staggered keys for easier typing
This keyboard's keys are arranged in a non-staggered way. This allows for a more efficient, easier typing process.
Pro Key layout customization
The 209 key layout can be altered: users can move functions between keys as they please. Settings are firmware-saved, so they apply even if the keyboard is moved to a different computer.
Pro Works with all Cherry switches
The Vengeance K70 uses Cherry MX mechanical switches throughout the keyboard. They are also easily replaceable for those that would like to try out different switches or use a certain combination of them for gaming.
Pro Configurable lighting
RGB backlighting is fully programmable. Or you can choose a monocolor LED (red or blue) and get a USB passthrough.
Pro Dedicated media controls
Since media keys don't require a combo keypress, they can be used with just one hand.
Pro Easy to clean
Beautiful, solid brushed aluminum backplate makes the keyboard easy to clean.
Cons
Con Software is difficult to figure out
The CUE software needed to program the backlighting and keys is difficult to understand, making customizing the keyboard a cumbersome chore.