This one from EKWB otherwise all that fit on the reference PCB :) EKWB EK-Vector RTX 2080 RGB

https://www.asus.com/Graphics-Cards/DUAL-RTX2080-O8G-EVO/specifications/ Engine Clock OC Mode - GPU Boost Clock : 1830 MHz , GPU Base Clock : 1515 MHz Gaming Mode (Default) - GPU Boost Clock : 1800 MHz , GPU Base Clock : 1515 MHz Memory Clock 14000 MHz (OC Mode) 14000 MHz (Gaming Mode)