System Requirements for Diablo 3

WINDOWS Minimum Requirements

Windows® XP/Vista/7 (latest service packs) with DX 9.0c
Intel Pentium® D 2.8 GHz or AMD Athlon™ 64 X2 4400+
NVIDIA® GeForce® 7800 GT or ATI Radeon™ X1950 Pro or better
1 GB RAM (XP), 1.5 GB (Vista/7)
12 GB available HD space
DVD-ROM (required for retail disc versions only)
Broadband** Internet connection
1024x768 minimum resolution

MAC Minimum Requirements

Mac® OS X 10.6.8, 10.7.x or newer
Intel® Core 2 Duo
Intel® Core 2 Duo
2 GB RAM
12 GB available HD space
DVD-ROM (required for retail disc versions only)
Broadband** Internet connection
1024x768 minimum resolution