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Corsair K70 RGB Pro Introduction and Technical Specifications

 

Introduction

The mechanical keyboard market is awash with models from all manufacturers and covering nearly all price points. Corsair themselves have a huge range of keyboards to suit most pockets and demands from the K60 to their flagship K100.

Given that most people want a product which fits somewhere in the middle of the available options, neither too expensive to justify for all but the most well-heeled but neither so cheap that you're bereft of features, the K70 has comfortably been their most popular seller. In fact we'd say it's up there with the biggest selling mechanical keyboards you can think of. The fact it comes in so many different variations probably speaks to the fact that even Corsair themselves accept it hits the price and feature sweet spot.

The latest addition to their K70 range is the K70 RGB Pro, a keyboard that has a surprising amount to offer beyond the simply joy and reliability of typing on a full Cherry MX equipped keyboard. The AXON processing alone is enough to make the K70 RGB Pro worthy of your attention, offering up to 8000 Hz polling rate without compromising the performance of the keyboard. Many tech devices boast of how they have more power than the computer that took the Apollo astronauts to the moon, but there can't be many keyboards that do. Let's take a look.

Technical Specifications

Up Close

It's fair to say that the Corsair packaging is amongst the most recognisable in the PC world. No other manufacturers use yellow, and it's been a staple of the Corsair lineup from back when their peripheral arm was a sub-company called Corsair Gaming. Whilst most of our shopping is done online these days you still find peripherals in shops and so having a box you can spot from halfway across the shop has to be a positive.


Within the box itself the contents are simple. Unlike previous keyboards the K70 RGB Pro comes without a quick start guide in the box, so those of you who like to have a handy guide to the function combinations will have to print out the online PDF. A removeable Type-A to Type-C cable and the high quality, soft touch wrist rest are all you get, and indeed all you need. The wrist rest slides on easily, requiring no tabs to insert nor special tools to remove.

The underside has dual-height feet and plenty of options for cable routing should you so desire them. The rubber grips are extremely grippy and guarantee that the K70 will be going nowhere on even the most highly polished desks.

Corsair K70 RGB Pro  

At the top left we have a profile switch button, the lighting intensity button, and the all-important Win-Lock to stop those accidental 'as if by magic my desktop appeared' moments. Similarly where the cable inserts there is a Tournament switch that locks off the colours and disables and macros for maximum focus - and indeed ensuring nobody is playing with an unfair advantage in actual tournaments.


Corsair K70 RGB Pro  

At the top right we have a familiar Corsair arrangement of dedicated media keys and their famous volume scroll wheel that can have different functions assigned for up and down if you wish.


Corsair K70 RGB Pro  

Beneath the double-shot keycaps we find the familiar Cherry MX switches, here in their most popular linear, 45nm actuation, Red versions.


Corsair K70 RGB Pro  

iCUE Software

As anyone who has used a Corsair product can attest their iCUE software is up there with the best. Powerful enough to handle some very complicated setups, yet (largely) simple enough to use if you just want to change the colour of your keys. With the AXON processing at the heart of the K70 RGB Pro you can push the polling rate up to 8000Hz if you wish, as well as all the macro and complex lighting effects that we have come to expect from Corsair.

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Lighting

As you can see from the photograph that has been adorning the top of the pages of today's review, as well as the ones below, the lighting on the K70 RGB Pro is fantastic. Able to replicate all manner of colours accurately, even the difficult ones like yellow and a white that doesn't lean towards blue.

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  

Corsair K70 RGB Pro  


Conclusion

There are a whole host of options in the Corsair keyboard range, and if you come into them blind then it can seem bewildering. In the K70 brand alone there is the K70 Mk2, the K70 Mk2 SE, K70 Mk2 Rapidfire, K70 TKL Champion and today's review, the K70 RGB Pro. All have slightly different specifications and features.

Thankfully if you are in the market for a new keyboard then the K70 RGB Pro comes with all the bells and whistles that you could require, and enough of a design change to mean that it's very much going to be the default option for people who want a K70. Just comparing it to the K70 Mk2 that came before it has, for only a tenner more, gained crisper buttons for the lighting, profile and Win-Lock keys, as well as a better mute button. Additionally the wrist rest is much nicer, fitting on easier and being softer on your wrists, whilst the whole thing is powered by the Corsair AXON processor that gives you up to 8000Hz polling rate whilst also ensuring that the most complex lighting options won't negatively impact the responsiveness of your keypresses. Lastly the lock indicators have been moved around the Corsair logo itself instead of being separate LEDs.

All of those benefits are just in comparison to the keyboard which came before it. when you compare the Corsair K70 RGB Pro to a lot of the other mechanical keyboard offerings those benefits push it even further ahead of the competition. The build quality is up to their legendary standards with the brushed aluminium chassis being extremely robust with no flex at all no matter how hard you bash the keys. Thankfully with our review sample coming equipped with the Cherry MX Red switches you don't need to bash them very hard. 45nm actuation pressure and the low 2mm actuation point ensures your fingers can fly across it. The wrist rest clips on securely and the giant rubber feet on the underside guarantees that it won't move during use even on a very shiny surface. Lastly the dual-height feet mean you will find a position that gives your wrists the least amount of strain during those marathon sessions.

The standard of the Corsair lighting is always up amongst the best around but the K70 RGB Pro takes it to new heights with even the hardest colours to replicate being done with aplomb. The yellow is yellow rather than slightly green, and the white is definitely pure white instead of something that's slightly blue. Best of all the extra keys along the top also respond to your lighting choice so you're no longer having to put up with a white mute button amongst your carefully curated colour choice. The AXON processor at the heart of the K70 RGB Pro ensures that it is a supremely responsive keyboard too, with your keypresses appearing instantly. If you've got the fingers that can work that quickly it's amazing how you just cannot cause the K70 to hiccup no matter how fast you're going.

About the only negative we have is less about the keyboard specifically, and more about Corsair's efforts to get their lighting engine supported by default in games. Compared to ASUS or Razer the list of natively supported titles is tiny. They really need to put some effort into working with developers to make the most of the fact they have the most popular peripheral range around. Or provide some emulation of other RGB wrappers within the iCUE software. Just be aware that you'll need to do some scouting around online forums or spend time in the iCUE software if you want the K70 RGB Pro to automatically adjust to your game (unless you're playing Far Cry).

The K70 RGB Pro might not have the light bar or dedicated macro keys of Corsair's flagship K100, but we think it's the best keyboard in the Corsair range. It's built like a tank and faster than a jet fighter and a steal at £169.99.

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