From Amazon
Xtrfy K4 RGB Mechanical Gaming Keyboard With RGB LED Illumination, Mechanical Key Switches, Customizable RGB Illumination, Full N-Key Rollover, 1000 Hz Polling Rate - UK Layout, Black
OnBuy
Xtrfy K4-Rgb Mechanical Gaming Keyboard Rgb Lighting Anti Ghosting Keys Bla XG-K4-RGB-R-UK