Official specs from Steam

Killing Floor III system requirements

Minimum and recommended PC specs as listed by the developer on Steam.

Killing Floor III release infoSteam page Check other games

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 10
ProcessorAMD Ryzen 5 2600 or Intel Core i7-4790
Memory16 GB RAM
GraphicsNVIDIA GeForce GTX 1060, AMD Radeon RX 480 or or Intel Arc A580 (6 GB Video RAM required)
DirectXVersion 12
NetworkBroadband Internet connection
Storage30 GB available space
Additional NotesSSD Required

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 11
ProcessorAMD Ryzen 7 7700X or Intel Core i7-12700K
Memory16 GB RAM
GraphicsAMD Radeon RX 6750 XT, GeForce RTX 3060 or Intel Arc A770 (8 GB of Video RAM Recommended)
DirectXVersion 12
NetworkBroadband Internet connection
Storage30 GB available space
Additional NotesSSD Required

FAQ

What graphics card do I need for Killing Floor III?

Minimum: NVIDIA GeForce GTX 1060, AMD Radeon RX 480 or or Intel Arc A580 (6 GB Video RAM required). Recommended: AMD Radeon RX 6750 XT, GeForce RTX 3060 or Intel Arc A770 (8 GB of Video RAM Recommended).

How much RAM does Killing Floor III need?

Killing Floor III needs 16 GB RAM at minimum, 16 GB RAM recommended.

How big is Killing Floor III?

Killing Floor III requires 30 GB available space.

Does Killing Floor III run on Mac or Steam Deck/Linux?

There is no native macOS version. There is no native Linux build (Proton compatibility may vary).