The K55 RGB is $
49 on Corsair store.
Cons:
Rubber dome switch (Not a Mechanical keyboard)
Can only program G1-G6 keys
Can't use Corsair CUE software (that means you will be limited to lighting effects that come pre-installed on the keyboard only)
If you want a nice Corsair RGB keyboard, that you can actually customize the lighting effects or download new profiles for. Make sure you purchased one of the following Corsair RGB keyboards.
K95 RGB $189
K70 RGB Rapidfire $169
K70 RGB $169
K70 LUX RGB $159
Strafe RGB MX Silent $149
Strafe RGB $139
K65 RGB Rapidfire $139
K65 LUX RGB $129
K65 RGB $129