Gigabyte GA-EP45T-DS3R Motherboard Intel P45 Chipset, ATX, Dual Gigabit, 4 DDR3 Slots Revolution energy saving design with DES Advanced featuring hardware based Dynamic 6-Gear switching Supports 45nm Intel Core 2 multi-core processors with FSB 1600 MHz Supports DDR3 1900MHz (O.C.) memory to enable new levels of memory performance 2 PCI-E 2.0 x16 graphic interface with CrossFireX support for ultimate graphics performance Built-in TPM chip with 2048-bits encryption to highest level digital data protection