Official specs from Steam

iRacing system requirements

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

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 10 64-Bit, Windows 11 64-Bit
Processor4 core CPU or better – Some Examples (but not limited to): Intel Core i5-6600, Intel Core i7-4790, AMD Ryzen 3 4300G
Memory16 GB RAM
GraphicsA gaming graphics card with at least 6GB of DEDICATED memory – Some examples (but not limited to): Nvidia GeForce GTX 1070, RX 5600XT
DirectXVersion 11
NetworkBroadband Internet connection
Storage25 GB available space
VR SupportiRacing supports the optional use of virtual reality headsets!

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 10 64-Bit, Windows 11 64-Bit
Processor8 core or more CPUSome Examples (but not limited to): Intel Core Ultra 7 and 9, Intel Core i7-14700, AMD Ryzen 7 9700X, AMD Ryzen 9 9900X
Memory32 GB RAM
GraphicsGaming graphics card with at least 8GB of DEDICATED memory (some examples but not limited to Nvidia 2080 TI or AMD Radeon VII)
DirectXVersion 11
NetworkBroadband Internet connection
Storage100 GB available space
VR SupportiRacing supports the optional use of virtual realit headsets

FAQ

What graphics card do I need for iRacing?

Minimum: A gaming graphics card with at least 6GB of DEDICATED memory – Some examples (but not limited to): Nvidia GeForce GTX 1070, RX 5600XT. Recommended: Gaming graphics card with at least 8GB of DEDICATED memory (some examples but not limited to Nvidia 2080 TI or AMD Radeon VII).

How much RAM does iRacing need?

iRacing needs 16 GB RAM at minimum, 32 GB RAM recommended.

How big is iRacing?

iRacing requires 25 GB available space.

Does iRacing run on Mac or Steam Deck/Linux?

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