Official specs from Steam

DayZ system requirements

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

DayZ release infoSteam page Check other games

Minimum

OSWindows 10 64-bit
ProcessorIntel Core i5-4430 or AMD Ryzen 5 2600 Six-Core
Memory8 GB RAM
GraphicsNVIDIA GeForce GTX 760 or AMD R9 270X
DirectXVersion 11
Storage25 GB available space
Sound CardDirectX®-compatible
Additional NotesInternet connection

Recommended

OSWindows 10 / 11 64-bit
ProcessorIntel Core i5-6600K or AMD R5 1600X
Memory12 GB RAM
GraphicsNVIDIA GeForce GTX 1060 or AMD RX 580
DirectXVersion 11
Storage30 GB available space
Sound CardDirectX®-compatible
Additional NotesInternet connection

FAQ

What graphics card do I need for DayZ?

Minimum: NVIDIA GeForce GTX 760 or AMD R9 270X. Recommended: NVIDIA GeForce GTX 1060 or AMD RX 580.

How much RAM does DayZ need?

DayZ needs 8 GB RAM at minimum, 12 GB RAM recommended.

How big is DayZ?

DayZ requires 25 GB available space.

Does DayZ run on Mac or Steam Deck/Linux?

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