Official specs from Steam

Divinity: Original Sin II system requirements

Minimum and recommended PC specs as listed by the developer on Steam. Native macOS version available.

Minimum

NoteRequires a 64-bit processor and operating system
OS *Windows 7 SP1 64-bit or Windows 8.1 64-bit or Windows 10 64-bit
ProcessorIntel Core i5 or equivalent
Memory4 GB RAM
GraphicsNVIDIA® GeForce® GTX 550 or ATI™ Radeon™ HD 6XXX or higher
DirectXVersion 11
Storage60 GB available space
Additional NotesMinimum requirements may change during development.

Recommended

NoteRequires a 64-bit processor and operating system
OS *Windows 7 SP1 64-bit or Windows 8.1 64-bit or Windows 10 64-bit
ProcessorIntel Core i7 or equivalent
Memory8 GB RAM
GraphicsNVIDIA GeForce GTX 770 or AMD R9 280
DirectXVersion 11
Storage60 GB available space
Additional NotesRecommended requirements may change during development.

macOS minimum

OSmacOS 10.13.6 High Sierra
ProcessorCore i5
Memory8 GB RAM
GraphicsHD Graphics 5000 or Radeon R9 M290X
Storage20 GB available space
Additional NotesNvidia GPUs are not supported at this time and will likely result in graphical distortion or artefacts. Supported: - MacBook Pro: all since late 2016 - MacBook Air: all since mid 2017 - iMac: with AMD GPUs since late 2013 - Mac Pro: all since late 2013 - Mac mini: all since 2018

macOS recommended

OSmacOS 10.14.2 Mojave
ProcessorCore i5
Memory8 GB RAM
GraphicsHD Graphics 630+ or Radeon R9 M390X or eGPU
Storage20 GB available space

FAQ

What graphics card do I need for Divinity: Original Sin II?

Minimum: NVIDIA® GeForce® GTX 550 or ATI™ Radeon™ HD 6XXX or higher. Recommended: NVIDIA GeForce GTX 770 or AMD R9 280.

How much RAM does Divinity: Original Sin II need?

Divinity: Original Sin II needs 4 GB RAM at minimum, 8 GB RAM recommended.

How big is Divinity: Original Sin II?

Divinity: Original Sin II requires 60 GB available space.

Does Divinity: Original Sin II run on Mac or Steam Deck/Linux?

Yes, there is a native macOS version. There is no native Linux build (Proton compatibility may vary).