Mars Gaming MK4B keyboard USB Black vs Mars Gaming MK4R keyboard USB Black

Comparison of MK4B, MK4R

39 specifications	A Mars Gaming MK4B keyboard USB Black Model MK4B View product	B Mars Gaming MK4R keyboard USB Black Model MK4R View product
Keyboardidentical
Recommended usage	Gaming	Gaming
Connectivity technology	Wired	Wired
Device interface	USB	USB
Keyboard key switch	Mechanical	Mechanical
Pointing device	No	No
Keyboard form factor	Full-size (100%)	Full-size (100%)
Numeric keypad	Yes	Yes
Windows keys	Yes	Yes
Hot keys	Yes	Yes
Number of hot keys	15	15
Multimedia keys	Yes	Yes
USB hub	No	No
Purpose	PC/Server	PC/Server
Fingerprint reader	No	No
Polling rate	1000 Hz	1000 Hz
Certification	CE	CE
Designidentical
Backlight	Yes	Yes
Backlight type	RGB LED	RGB LED
Backlight colour	Multicolour	Multicolour
Adjustable backlightKnown for one	Yes	—Unknown — not stated by the source
Keyboard style	Straight	Straight
Ergonomic design	Yes	Yes
Wrist rest	No	No
Product colour	Black	Black
Material	Aluminium	Aluminium
Light effects	Yes	Yes
Number of light modes	10	10
Connector contacts plating	Gold	Gold
LED indicators	Yes	Yes
Featuresidentical
Removable keycaps	Yes	Yes
Anti-ghosting	Yes	Yes
Plug and Play	Yes	Yes
Poweridentical
Power source type	USB	USB
Mouseidentical
Mouse included	No	No
System requirementsidentical
Windows operating systems supported	Yes	Yes
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)	439 x 41 x 134 mm	439 x 41 x 134 mm
Keyboard weight	930 g	930 g
Packaging contentidentical
Number of products included	1 pc(s)	1 pc(s)
Packaging dataidentical
Package type	Box	Box

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.