Gaming Freak MX RGB9 is a wired mechanical gaming keyboard featuring Outemu switches and customizable RGB backlighting. It has been sold in two variants, one with Outemu Blue switches and one with Outemu Brown switches. 
Key specifications
According to the Gaming Freak website, the MX RGB9 (model number GK-MXRGB9) has the following specifications: 
Feature     Specification
Model Name    MXRGB9 Gaming Mechanical Keyboard
Switch Type    Outemu Blue/Brown Switch
Switch Life    50 million clicks
Keys    104, double injection keycaps, N-Keys conflict free
Polling Rate    1000Hz
LED Backlight    16.8 million colors, up to 18 lighting modes
Dimensions    465 x 195 x 38mm (with palm rest)
Weight    1112g (with palm rest)
Material    Aluminium top panel, ABS body
Interface    USB 2.0 (1.8m cable length)
Compatibility    Windows 7/8/10, Mac
Software    Optional downloadable driver for more detailed lighting configuration

Features
Outemu mechanical switches: You can choose between the tactile and clicky feedback of Outemu Blue switches or the tactile, non-clicky feedback of Outemu Brown switches.
Hot-swappable switches: The MX RGB9 has "CIY" (Change It Yourself) switches, allowing you to easily replace them without desoldering. However, this is only compatible with Outemu switches.
Full RGB backlighting: The keyboard offers 16.8 million colors with 18 different lighting patterns. Users can also configure the lighting with downloadable software.
Detachable palm rest: An included palm rest provides ergonomic support and comfort.
N-Key rollover: The keyboard supports full N-Key rollover, which ensures that every keystroke is registered even when multiple keys are pressed simultaneously.
Multimedia shortcuts: FN key combinations offer quick access to multimedia controls and backlight settings.