Second finest keyboard I’ve found in 60 years
Update 7/27/25: spilled something into the keyboard at some point which sat in the foam backing and did not evaporate, several keys got corroded pins and pin sockets and the color backlights went crazy. Completely disassembled and cleaned everything including using tiny wire brushes to remove corrosion. Nothing helped until I probed around with a continuity buzzer and suddenly the backlights were ok. However after reassembling now the bottom row of keys has a different color than the rest - when blue backlighting the bottom row is red, etc, etc. Ordered a new one but with brown switches instead of red. Update 5/3/25: after using it a while I find I do not like the short stroke red keys. I just can’t break the old muscle memory from using tons of long-stroke keyboards all of my career and I get false keystrokes due to my own fault. Update 7/23/24: replacement keyboard arrived today, charging as it should. I had to revert to my old Keychron K2A1 with the brown switches for the interval and now this feels like the stroke is shorter. Same quiet operation, silky feel, just a shorter stroke similar to the rkh81 that I liked so much. Update ~ 7/15/24: after a couple of days using it I realize it’s not charging. The battery capacity started out at 60% and I plugged it in and left it but never checked the charge current with a usb power meter. I did not notice the battery kept dropping until tonight when it hit 10%. When I plug it into a power meter the space bar blinks 3 times indicating it’s charging but it’s only taking enough power to light the backlights which work as expected. When I turn those off the power drops to 0ma. When I unplug it the backlights go out and the Fn+Enter doesn’t even light the 1 key indicating 10% charge remaining, I think that’s an energy conserving mode but the bluetooth connection works and the keyboard functions, at least for now. The charger in it must be defective, the battery certainly works, the wired power connection works, just no charging is going on and never has.. It’s being powered by a charging hub that has no problem supplying power to other devices, the power meter shows the supply voltage is 5.1v and zero amps. original ~ 7/10/24: With Red switches this is the second best keyboard I’ve ever used. The best keyboard is the RK-H81 with silver switches, it’s layout is slightly different and more exact to my muscle memory and the shorter throw of the silver switches I liked a lot but it has south facing leds which make shine-through keycaps unusable. Seems like a very stupid design decision and it wasn’t expressed anywhere in the listing. So an RK84 it had to be. I’m a retired programmer, I took typing in the 1960’s because it seemed like an easy class. Turned out to the be most important one I ever took. I became a teletype operator and then a programmer. The HP2621 terminal from the 80’s is my reference point, its keyboard is my ideal - the perfect reach, travel and spring pressure. And the RK-H81 came sooo close to improving on it, if not for the leds….. The RK84 layout is fine, I guess, but the keys are packed in for space’ sake rather than for the typist like the H81. I doubt the H81 designers were thinking of fast typists though, its south facing leds produce slightly nicer colored wave patterns so if that’s important then maximizing typing comfort probably isn’t. This RK84 is a solid, very useable keyboard. The RK-H81 is a mystery. Read more


























