Official specs from Steam
Mass Effect 3 system requirements
Minimum and recommended PC specs as listed by the developer on Steam.
Minimum
| OS * | Win 7 |
|---|---|
| Processor | 1.8 GHz Intel Core 2 Duo (equivalent AMD CPU) |
| Memory | 2 GB RAM |
| Graphics | Supported chipsets: NVIDIA 7900 or better; ATI X1800 or better. Please note that NVIDIA GeForce 9300, 8500, 8400, and 8300 are below minimum system requirements, as are AMD/ATI Radeon HD3200, HD3300, and HD4350. Updates to your video and sound card drivers may be required. |
| DirectX | Version 9.0c |
| Storage | 15 GB available space |
| Sound Card | DirectX 9.0c compatible |
| Additional Notes | Supported chipsets: NVIDIA 7900 or better; ATI X1800 or better. Please note that NVIDIA GeForce 9300, 8500, 8400, and 8300 are below minimum system requirements, as are AMD/ATI Radeon HD3200, HD3300, and HD4350. Updates to your video and sound card drivers may be required. |
Recommended
| OS * | Win 7 |
|---|---|
| Processor | 2.4 GHz Intel Core 2 Duo (equivalent AMD CPU) |
| Memory | 4 GB RAM |
| Graphics | AMD/ATI Radeon HD 4850 512 MB or greater / NVidia GeForce 9800 GT 512 MB or greater |
| DirectX | Version 9.0c |
| Storage | 15 GB available space |
| Sound Card | DirectX 9.0c compatible |
FAQ
What graphics card do I need for Mass Effect 3?
Minimum: Supported chipsets: NVIDIA 7900 or better; ATI X1800 or better. Please note that NVIDIA GeForce 9300, 8500, 8400, and 8300 are below minimum system requirements, as are AMD/ATI Radeon HD3200, HD3300, and HD4350. Updates to your video and sound card drivers may be required.. Recommended: AMD/ATI Radeon HD 4850 512 MB or greater / NVidia GeForce 9800 GT 512 MB or greater.
How much RAM does Mass Effect 3 need?
Mass Effect 3 needs 2 GB RAM at minimum, 4 GB RAM recommended.
How big is Mass Effect 3?
Mass Effect 3 requires 15 GB available space.
Does Mass Effect 3 run on Mac or Steam Deck/Linux?
There is no native macOS version. There is no native Linux build (Proton compatibility may vary).