Effective Clock Speed:1.8 GHz, Technology:DDR3 SDRAM, Size:2 GB, Bus Width:128-bit, Compatible with Windows 7:"Compatible with Windows 7" software and devices carry Microsoft"s assurance that these products have passed tests for compatibility and reliability with 32-bit and 64-bit Windows 7., Supported Windows 7 Features:Windows Media Center, Height:13.68 cm, Width:4.2 cm, Compliant Standards:RoHS, Depth:19 cm, Required Power Supply:350 W