Official specs from Steam

Insurgency: Sandstorm system requirements

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

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 10/11 (64 bits)
ProcessorIntel Core i5-4440 (3.10GHz)/AMD FX-6300 (3.50GHz)
Memory8 GB RAM
GraphicsNVIDIA GeForce GTX 760/AMD Radeon HD 7970
DirectXVersion 11
Storage40 GB available space

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 10/11 (64 bits)
ProcessorIntel Core i7-8700 (3.20GHz)/AMD Ryzen 7 2700 (3.20GHz)
Memory16 GB RAM
GraphicsNVIDIA GeForce GTX 980/AMD Radeon R9 390X
DirectXVersion 11
Storage40 GB available space
Additional NotesSSD is recommended.

FAQ

What graphics card do I need for Insurgency: Sandstorm?

Minimum: NVIDIA GeForce GTX 760/AMD Radeon HD 7970. Recommended: NVIDIA GeForce GTX 980/AMD Radeon R9 390X.

How much RAM does Insurgency: Sandstorm need?

Insurgency: Sandstorm needs 8 GB RAM at minimum, 16 GB RAM recommended.

How big is Insurgency: Sandstorm?

Insurgency: Sandstorm requires 40 GB available space.

Does Insurgency: Sandstorm run on Mac or Steam Deck/Linux?

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