Brand | Cooler Master |
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Item model number | SGK-6030-KKCM1-US |
Hardware Platform | PC |
Item Weight | 2.44 pounds |
Product Dimensions | 17.3 x 5.1 x 1.7 inches |
Item Dimensions LxWxH | 17.3 x 5.1 x 1.7 inches |
Color | Brown |
Manufacturer | Cooler Master USA, Inc. |
ASIN | B01D8ETGNQ |
Is Discontinued By Manufacturer | No |
Date First Available | March 21, 2016 |
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Cooler Master MasterKeys Pro S RGB Mechanical Gaming Keyboard, Cherry MX Brown (Silent Tactile), RGB LED, TenKeyless (Small)
We don't know when or if this item will be back in stock.
Brand | Cooler Master |
Compatible Devices | Gaming Console |
Keyboard Description | Gaming |
Special Feature | Lighting |
Color | Brown |
Number of Keys | 104 |
Style | RGB LED - Cherry MX Brown |
Item Dimensions LxWxH | 17.3 x 5.1 x 1.7 inches |
Material | Plastic |
Included Components | MasterKeys Pro S |
About this item
- Brilliant RGB lighting with 16.7 million colors - no dull, muted colors here. A patented design makes each per key LED pop-out and shine.
- Multiple lighting modes - customize each color with or without software. Preset modes include color wave, Breathing, and unique responsive effects.
- 100% authentic CHERRY MX brown switches - gamers demand the best, which is why the MasterKeys Pro s only uses 100% authentic CHERRY MX switches.
- On-the-fly macros and profile support - program multiple keystrokes to a single key or change Per-Key backlighting with intuitive keyboard commands.
- 100% anti-ghosting - new tech rolls 6-key and N-key into one. No matter how fast and furious it gets, on iOS or Windows, your keyboard can handle it.
What do customers buy after viewing this item?
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- Highest ratedin this set of productsCorsair K95 RGB Platinum XT Mechanical Wired Gaming Keyboard, Backlit RGB LED, Cherry MX RGB Blue, Black
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From the manufacturer


MasterKeys Pro S RGB
Built for Pro Gamers
Elevate your game with the MasterKeys line of gaming keyboards and focus on what really matters: no-nonsense performance in a straightforward package. Choose accuracy, precision, and performance like the pros - not flashy lights and style-over-substance fluff like the average joes.
- On-the-fly System
- Cherry MX Switches
- Advanced Cortex M3 Processor
- N-key Rollover Plus 6-Keys
- Detachable Braided USB Cord


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MasterKeys Pro S White | MasterKeys Pro S RGB | MasterKeys Pro M White | MasterKeys Pro M RGB | MasterKeys Pro L White | MasterKeys Pro L RGB | |
Dimension (L x W x H) | 13.7 x 5.3 x 1.69 in | 13.7 x 5.3 x 1.69 in | 14.7 x 5.5 x 1.7 in | 14.7 x 5.5 x 1.7 in | 17.29 x 5.14 x 1.65 in | 17.29 x 5.14 x 1.65 in |
Keyswitch | CHERRY MX Brown (Silent Tactile) | CHERRY MX Brown (Silent Tactile) | CHERRY MX Brown (Silent Tactile) | CHERRY MX Brown (Silent Tactile) | CHERRY MX Brown (Silent Tactile) | CHERRY MX Brown (Silent Tactile) |
Layout | TenKeyless (Small) | TenKeyless (Small) | TenKey (Medium) | TenKey (Medium) | Full Size (Large) | Full Size (Large) |
Backlight | Full Backlit (White LED) | Full Backlit (RGB) | Full Backlit (White LED) | Full Backlit (RGB) | Full Backlit (White LED) | Full Backlit (RGB) |
Processor | 32bit ARM Cortex M0 | 32bit ARM Cortex M3 | 32bit ARM Cortex M0 | 32bit ARM Cortex M3 | 32bit ARM Cortex M0 | 32bit ARM Cortex M3 |
6-Keys Plus N-Key Rollover | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
1000 Hz / 1 ms Polling Rate | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
512KB Onboard Memory | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
SDK Support | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Software UI | ✓ | ✓ | ✓ |
Product information
Technical Details
Additional Information
Customer Reviews |
4.3 out of 5 stars |
---|---|
Best Sellers Rank | #76,950 in Video Games (See Top 100 in Video Games) #5,291 in PC Gaming Keyboards |
Warranty & Support
Feedback
Product Description
Get the best of both worlds with the MasterKeys Pro s : the brightest LEDs and the best tactile feeling that gamers have come to love. We completely redesigned the interior to fit both Cherry MX switches and the biggest LEDs that radiate 16.7 million colors. You also get on-the-fly macros, profile support, and easy-to-use software - all in a sleek, minimalistic design.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
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Reviewed in the United States on February 19, 2017
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So then whats my point with all that right? Well my point is that I kept looking deeper into the mech board world and eventually even I got overwhelmed once I got to the whole custom level of the field where you would buy your own parts to build a custom mech keyboard. It turns out the features I wanted were mainly in those Custom mech boards ONLY and not in the consumer brands boards on say Amazon. So I was stumped cause I couldn't pay upwards of 200+ for a board but I still wanted those high end features.
So I gave up at that point and just let everything stir for about a month and then finally my membrane board broke so I had no choice but to revisit the subject. So I did and this time I looked through various General tech forums to find the best Mech boards that they were buying instead of the Mech ONLY forums that I was in previously. THIS HELPED ALOT fyi, guess I'm just not the custom mech board sort of techy yet.
So I started to sift through these websites more and more even started to post so that I could explain what I wanted and it was sparce for the choices I got but eventually someone mentioned Cooler Master and there Lineup. And as you can imagine I was put back at what they offered quality/feature wise for the price. But yet they still had features only the custom boards had like a removable cable and easily replaceable Micro USB B port on the keyboard (Even if they don't say it u can easily unsauter it and put on new one if it fails. Its a little extra thing they gave us enthusiasts that want to do the work which I appreciate it :P u guys.) Even if you won't admit or say we should do it I get it its for PR that u can't approve of this. But still its a great thing for the enthusiasts nerds that want to.
*The main things that Won me over were as follows:*
- Was the aspect of a removable cable (so if the cable got chewed by my animals or simply became defective as they do after long use I could replace it along with the female port inside the keyboard if I needed to A big thing I needed to have so I knew I'd be able to use this board for a decade at least)
- QUALITY - that is Number one with Cooler Master boards. These boards have that quality heavy feeling u get with well built products meant to last. They also have high quality feeling plastics unlike so many other brands I've looked at.
- RGB backlighting along with the amazingly complex yet simple to understand software to control it all with. (Ohh and sidenote you can control every aspect of the lighting on the board with FN key or in the software which is pretty sick)
- They have a Tenkeyless or (Small) option something brands like Corsair, Logitech, Razor, or Steelseries don't. The ones they did have were to flashy, goddy, ugly, or to expensive. CM's version was the exact opposite which I loved.
- Lastly they aren't some well known company as those I listed above that sell metric tons of keyboards. For me that underdog aspect of them makes me appreciate the work they do even more. Along with all the benefits u get when u buy from an underdog company is that you get customer service thats actually personal and helpful. Something thats just nice to have when u are in such an instance. Something they do great unlike some companies who blame u when there product breaks because it was flawed from the start. Ya they exist lol and it sucks to deal with them.
Ya so in summary I couldn't have asked for a better keyboard its basically if u guys wanted TLDR its the perfect keyboard for the guy who wants the features of a custom Mech Board but doesn't have the money to blow 200-400 on a single peripheral device. Cooler Master gives you a great middle ground between both sides of the Mech world. Which for me I couldn't find a single other comapany that did the same. So I fully recommend this Mech board will last you for 10 yrs easy.
Only issue I had would be that the keycaps they provide aren't double shot PBT but thats not actually bad. Since if they did include those more expensive caps then the price would be raised first off. But they also might not include the Keycaps you wanted from the PBT type meaning you would be paying more money for something u don't want.
By using cheaper yet decent keycaps you keep the price low and you allow the user to buy there own Double shot Expensive PBT keycaps themselves. I don't know if they consciously chose for it to happen like this but dang it worked out great for the both of us we get a cheaper board with the option to buy better keycaps if we want, and Cooler Masters gets happier customers for there actually rational and intelligent decision to use cheaper keycaps.
Props to u guys GREAT DECISION for the consumer!! :)
Alright I'm done now, hope any of this rambling helped u decide. If it did PLEASE get the Small option full keyboards aren't needed in the modern day for 90% of PC users. And p.s. the small option allows you to game easier since you have more room while playing since u don't have a num pad on the end taking up useless space. So ya get the small option its the much better choice.
But before we get too far into things: I know keyboards. Like, REALLY know keyboards. My current daily drivers include an Apple AEK-II, Adesso AKB-625UB (travel,) a Costar CST104 Sydney I personally rebuilt with Gateron Greens, and an IBM Model M13. So it's not like I lack for comparison, experience, or expertise.
First of all, the software is hard to complain too much about. Yes, it's clunky. But it stores your profiles on the keyboard, so you don't need it open all the time. I consider that a net plus. Their HID driver on the other hand, is glitchy. The EQ Visualizer mode will light up the whole keyboard if I play a track through YouTube, Amazon Music, or Zune. It will barely light a single key if I play the exact same track through Spotify at the exact same volume. That's probably something with Spotify. But randomly their HID driver will simply decide to change the poll rate of the keyboard. Not cool. Also when you change modes from say P1 to P3, it will sometimes decide to randomly go ahead and helpfully change your key repeat rate settings despite updating to the latest firmware. Also not cool, but, addressable without too much headache.
The keycaps are awful. They're thin ABS. They could be a LOT worse though. If you don't type as much as I do (you almost certainly don't) they're okay-ish. The font is tasteful and easy to read. The backlighting isn't too well controlled and there's a fair bit of bleed. But they are double shot, so they hold up fine to most people. I could've gone PBT but I wanted the frag-harder-disco-lights specifically and the PBT option was white LEDs only. I did check out the PBT caps in person though and they are also solid, and definitely acceptable for people like me. (I ended up putting on a set of blank beige Gateron PBT caps. They work very well and I think the light-blocking nature of them makes the keyboard even better when flashing the EQ.)
The channel for the cord doesn't work at all. The cord is too thick so it just constantly pops right back out.
But in the four months I have owned this keyboard, it has progressively gotten more and more problematic. At first it was just occasionally failing to register the M key. And some LEDs were discolored. No big, probably my typing and some dirt. Then it clearly wasn't. Then enter got into the mix. Now the keyboard will randomly repeat a half dozen keys six to eight times - when it registers them being pressed at all. Which follows the keyboard when moved between systems. That's not a switch problem - that's a PCB problem. Then the lock indicator LEDs stopped changing with the state. Again, clearly PCB fault. Suspecting things were weird, I switched my backlight mode and hey look - a huge chunk of the LEDs no longer work at all! This is not something that can be repaired. The controller on the keyboard is failed. Simple as that.
But hey! It's got a three year warranty! So I open an RMA request, explain my issues clearly (multiple keys not functioning properly, multiple LEDs completely quit working,) attach a photo as required (waitwhat?,) and get my email saying they have received my RMA request. For a four month old keyboard.
And wait.
And wouldn't you know it? Cooler Master is just sitting there not approving an RMA. Again. They're holding it in "Verification" despite the fact that they have the receipt from registration, and they clearly KNOW they fail at a high rate given they have actual DROP DOWNS listing "multiple keystroke" and "multiple failed LEDs" IN THE RMA REQUEST PROCESS. They KNOW this keyboard is poorly constructed. They KNOW it fails regularly in this fashion. They KNOW customers are going to have these problems, and they ship it anyways. It does not take five days to look at a photo, go "yep LEDs failed," and approve an RMA.
In other words: Cooler Master doesn't actually honor warranty on a product they know is so poor quality, failure is guaranteed. AGAIN. They don't even attempt to make it right like they used to - I see zero Cooler Master replies to their MANY deserved 1 star reviews. Hopefully Amazon can do something for me here.
In summary: it's garbage. And Cooler Master's straight up lying about any of their products having a warranty.
Top reviews from other countries


1. TenKeyLess
2. RGB
3. Cherry MX Brown
4. "Smooth" keycaps
This was one of the few Keyboards that fit the bill. The other option was a Ducky TKL RGB board but I couldn't find it anywhere. I tested the cheaper version of this board, the Cooler Master Quickfire. I really liked that KB, and would have kept it if it wasn't for the raised lettering on the Quickfire keycaps.
The Cooler Master Keys Pro S fit all 4 of my requirements. Build quality is great, RGB lighting is very vibrant and colorful. I love the ability to change keys on the fly. The software itself isn't as robust as say the Corsair K70, but it's better than the Ducky ones (no software available to customize keys).
So far i've been very happy with this keyboard and will be keeping this one and returning the CM Quickfire.


One of the reasons I purchased this board was because it leaves out the number pad. I hoped it would make it easier for me to maintain proper posture and still have quick access to my mouse, and I am seeing the benefits so far, although it takes some getting used to. I think I will be picking up a standalone number pad to position to the right of my mouse, if even just for times when I am deep into Excel or working with finances.
I do miss having dedicated media buttons and a volume rocker, which I had on my previous board. That said, the combination of the function key and tapping the right home key media button is actually not so bad.
This purchase was also a leap from MX Reds (different keyboard) to MX Blues for me. I *love* the sound. I mostly write and code (I don't game often), and I find the extra pressure, feedback (clicking sound), and tactile bump really add up to make typing just feel more careful and deliberate.


Reviewed in Canada 🇨🇦 on December 20, 2016
One of the reasons I purchased this board was because it leaves out the number pad. I hoped it would make it easier for me to maintain proper posture and still have quick access to my mouse, and I am seeing the benefits so far, although it takes some getting used to. I think I will be picking up a standalone number pad to position to the right of my mouse, if even just for times when I am deep into Excel or working with finances.
I do miss having dedicated media buttons and a volume rocker, which I had on my previous board. That said, the combination of the function key and tapping the right home key media button is actually not so bad.
This purchase was also a leap from MX Reds (different keyboard) to MX Blues for me. I *love* the sound. I mostly write and code (I don't game often), and I find the extra pressure, feedback (clicking sound), and tactile bump really add up to make typing just feel more careful and deliberate.





Reviewed in Mexico 🇲🇽 on March 19, 2019
