The brains of this thing is an ESP8266 on a custom PCB which controls the 127 individually addressable RGB LEDs. The clock may look large, but the big printed parts just fit on the bed of a Prusa i3.
Teamgroup has it all for a reasonable price: DDR5 memory at 6000MHz with CL30 timings for the perfect balance of performance and value alongside a strip of customizable RGB compatible at the BIOS ...