Diablo III PC System Requirements

Blizzard has released the full official Diablo 3 System Requirements for PC, check it out below:

Diablo 3 MINIMUM SYSTEM SPECIFICATIONS
PC
OS: Windows® XP/Windows Vista®/Windows® 7 (Latest Service Packs) with DirectX® 9.0c
Processor: Intel Pentium® D 2.8 GHz or AMD AthlonTM 64 X2 4400+
Video: NVIDIA® GeForce® 7800 GT or ATI Radeon™ X1950 Pro or better

Mac
OS: Mac® OS X 10.6.8, 10.7.X (Latest Version) | Processor: Intel® Core 2 Duo
Video: NVIDIA® GeForce® 8600M GT or ATI Radeon™ HD 2600 or better

All Platforms
HD Space: 12 GB available HD space | Memory: 1 GB RAM (1.5 GB required for Windows Vista®
Windows® 7 users, 2 GB for Mac® users) | Drive: DVD-ROM drive | Internet: Broadband Internet connection
| Display: 1024×768 minimum display resolution

Diablo 3 RECOMMENDED SYSTEM SPECIFICATIONS
PC
OS: Windows Vista®/Windows® 7 (Latest Service Packs) |
Processor: Intel® Core 2 Duo 2.4 GHz or AMD AthlonTM 64 X2 5600+ 2.8 GHz | Memory: 2 GB RAM | Video: NVIDIA® GeForce® 260 or ATI Radeon™ HD 4870 or better

Mac
OS: Mac® OS X 10.7.X (Latest Version) | Processor: Intel® Core 2 Duo | Memory: 2 GB RAM
Video: NVIDIA® GeForce® GT 330M or ATI Radeon™ HD 4670 or better

Note: Be advised that some wireless connections do not meet the minimums required to be a true Broadband Internet connection. Wireless results may vary.

I feel like the official announcement regarding the Diablo 3 release date is coming very very soon. Keep checking Codamon.com for the latest Diablo 3 news!

Source: http://us.battle.net/support/en/article/diablo-iii-system-requirements