The Bethesda Blog has released the the minimum and recommended system requirments for the PC version of Dishonored, the upcoming first person shooter being developed by Arkane Studios.

Minimum Spec:

OS: Windows Vista / Windows 7
Processor: 3.0 GHz dual core or better
Memory: 4 GB system RAM
Hard Disk Space: 9 GB
Video Card: DirectX 9 compatible with 512 MB video RAM or better (NVIDIA GeForce GTX 460 / ATI Radeon HD 5850)
Sound: Windows compatible sound card

Enhanced for:
64-bit
multi-core

Recommended Spec:

OS: Windows Vista / Windows 7
Processor: 2.4 GHz quad core or better
Memory: 4 GB system RAM
Hard Disk Space: 9 GB
Video Card: DirectX 9 compatible with 768 MB video RAM or better (NVIDIA GeForce GTX 460 / ATI Radeon HD 5850)
Sound: Windows compatible sound card

If you’d like to know more about the unique features of the PC version of Dishonoured, Bethesda’s Blog also has an article which outlines some of the games UI options, amongst other things.

Dishonored, developed by Arkane Studios will be released on October 9th (North America), 11th (Australia) and 12th (Europe), for the Xbox 360, PlayStation 3 and PC.