CUAV Pixhack Nano STM32F427 Flight Controller Which firmware to choose?

Hello

I have 2 CUAV Pixhack Nano STM32F427 Flight Controller. It has FMUv4. Mission Planner shows as firmware: Pixracer. Is that correct?

BR

Harald

if you own pixhack nano it’s FMUv3… pixracer it’s FMUv4… cuav V5 nano is FMUv5