FeaturesSupport Intel? Core 2 Duo, Pentium? 4/D, Celeron D with 1066/800/533 MHz FSB Dual Core Processors combined physically Enhanced Technology for better power consumption Intel? EMT64 Technology support future 64-bit OS Appliance New Memory Architecture New designing includes wider internal data buses that support UP TO 4GB dual-channel DDR2 memory technology at 667 MHz (up to 10.7GB/s of peak memory bandwidth) for greater platform performance and memory flexibility.