NBASky.com

@Ronnie2K posted a status on Twitter here:

For PC players, the minimum specs for #NBA2K12 are the same as last year.

Here is NBA 2K11 PC System Requirements:

Minimum System Requirements:

CPU: Pentium 4 2.4 Ghz Single Core processor or equivalent (2.8 Ghz for Vista)
RAM: 512 MB or more (1 GB for Vista)
Disc Drive: 8x or faster DVD drive
Hard Drive: 10.5 GB or more free space
Video: DirectX 9.0c compatible (see below)
Sound: DirectX 9.0c compatible
Input: Keyboard or dual-analog gamepad

Video card with 128 MB or more memory and one of the following chipsets is required:

ATI x1300 or greater;
NVIDIA 6600 or greater;
DirectX 9.0c compatible card with Shader Model 3.0 support.

Important Note: Game requires Internet connection for activation

Recommended System Requirements:

CPU: 3 GHz Dual Core processor or equivalent
RAM: 2 GB
Disc Drive: 8x or faster DVD drive
Hard Drive: 10.5 GB or more free space
Video: Shader Model 3.0 support with 512 Ram (Nvidia(R) Geforce(R) 7900 GT or better)
Sound: 100% DirectX 9.0c compatible sound card
Input: Dual-analog gamepad
DirectX 9.0c or DirectX 10