When comparing Logitech Wireless Illuminated Keyboard K800 vs CM Storm Quickfire Rapid-i, the Slant community recommends CM Storm Quickfire Rapid-i for most people. In the question“What are the best gaming keyboards without "gamer" aesthetics?” CM Storm Quickfire Rapid-i is ranked 5th while Logitech Wireless Illuminated Keyboard K800 is ranked 7th. The most important reason people chose CM Storm Quickfire Rapid-i is:
The Rapid-i's comes with a long 1.8 m braided cable, which makes it more durable and aesthetically pleasant than common cables. It's detachable and, therefore, easily replaceable by a shorter/longer cable. This also means that, in case the cable breaks, it's easy to fix it and there's no need to replace the entire keyboard.
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Pros
Pro Back-lit keys great for typing in dark
What makes the backlighting of this keyboard so great, is that only the symbols are illuminated, making it very easy to discern each individual letter or number in the dark. Moreover, the brigthness of the illumination is adjusted automatically, depending on the lighting conditions in your room (although you can also change it manually).
Pro Very quiet
The keys hardly make any noise as you press them.
Pro Seamless integration with Windows
The keyboard works right out of the box with Windows XP, Vista, 7, 8, and 10. The drivers are automatically installed when you plug it into the computer, and it only takes a few minutes.
Pro Very comfortable
The keys have an ergonomic shape: they are rounded and slightly concave. The force is distributed evenly across the surface of each key as you press it, making the typing go smoothly and effortlessly.
Pro You don't have to buy new batteries all the time
This keyboard has a rechargable accumulator as opposed to disposable batteries that require regular replacement. One charge lasts for 10 full days of use.
Pro Unified receiver
Logitech's wireless peripherals use a unified receiver where many devices can be used on one receiver. This makes for an easy way to use a Logitech wireless mouse, keyboard, etc without having to have numerous USB receiver plugged into the device.
Pro Keyboard illumination control on the keyboard itself
There is an on off switch on the keyboard that allows the user to turn off the backlight illumination of the keyboard. This is a lot easier than using software on the PC as it is more accessible, especially if the screen is off.
Pro Detachable and replaceable cable
The Rapid-i's comes with a long 1.8 m braided cable, which makes it more durable and aesthetically pleasant than common cables. It's detachable and, therefore, easily replaceable by a shorter/longer cable. This also means that, in case the cable breaks, it's easy to fix it and there's no need to replace the entire keyboard.
Pro Customizable backlighting is great for use in the dark
This keyboard is backlit and offers individual key backlighting customization. Up to 4 profiles can be saved, being quite easy to switch between them.
Pro First-class mechanical switches
Cherry MX switches are considered the golden standard of mechanical key switches. This particular model's tenkeyless version is available in the Blue or Brown varieties of the MX. Blue switches offer audible and tactile feedback at the actuation point (about halfway the full travel distance). These are best for typing. Brown switches offer a slightly less pronounced tactile bump than Blue switches, and are silent. They are often described as a mix-switch: something that is equally good for gaming and typing, though not the best at either one.
Cons
Con Heavy
Total weight of this keyboard is 48 ounces, much more than the average 8.8 ounces for a similiarly-sized device. This is due to the built-in rechargeable battery.
Con Not for gamers
This keyboard works great for office work or casual gaming, but it's not recommended for competitive gamers. It's not meant to deal with the same amount of wear as a mechanical keyboard.
Con Feels cheap
There is a good bit of flex to the keyboard, which makes it feel flimsy and cheap.
Con Limited switch types for the tenkeyless version
The tenkeyless version of this keyboard is more compact, but it only offers Blue and Brown switches, which are the most popular. However, if you want Green or Red MX switches you'll need to choose the larger version of the keyboard (with a number pad).
Con The USB connector sticks out
Unlike many other keyboards, the USB port for the Rapid-i is not tucked under the keyboard, so when the L-shaped USB connector is inserted, it sticks out a bit. In addition to not looking as sleek as a result, it also means that it's easier to accidentally damage both the connector and the port.