Socket LGA 775 Supported Intel Core 2 Quad/Core 2 Duo/Pentium Dual-Core/Celeron Dual-Core/Celeron 400 Series Processor Supported FSB 800/1066/1333MHz Supported 2 DIMM of DDR3 1333(OC)/1066/800MHz Supported USB 3.0 Chipset - Intel G41 / ICH7 CPU SUPPORT - Intel Core2 Quad Processor - Intel Core2 Duo Processor - Intel Pentium Dual-Core Processor - Intel Celeron Dual-Core Processor - Intel Celeron Processor 400 Sequence - Maximum CPU TDP (Thermal Design Power) : 95Watt FSB - Support FSB 800/1066/1333MHz MEMORY - Support Dual Channel DDR3 800/1066/1333(OC) MHz - 2 x DDR3 DIMM Memory Slot - Max. Supports up to 4GB Memory - Note: FSB800 CPU only support DDR3-800 EXPANSION SLOT - 2 x PCI Slots - 1 x PCI-E x16 Slot STORAGE - 4 x SATA2 3Gb/s Connector - 1 x IDE Connector USB - 2 x USB 3.0 Port - 2 x USB 2.0 Port - 2 x USB 2.0 Header GbE - Realtek RTL8111DL- 10/100/1000 Controller INTEGRATED VIDEO - Integrated Intel Graphics Media Accelerator X4500. ( Intel X4500) - Pixel Shader 4.0, DirectX 10 - Supports RGB with max. resolution 2048 x 1536@75Hz - Max. shared memory 1759MB * - * The Max shared memory size will be available only when 4GB memory or more installed on Motherboard under the 64-bit OS. CODEC - Realtek ALC662 6-Channel HD Audio REAR I/O - 1 x PS/2 Mouse - 1 x PS/2 Keyboard - 2 x USB 3.0 Port - 2 x USB 2.0 Port - 1 x VGA Port - 1 x RJ-45 Port - 3 x Audio Connector INTERNAL I/O - 1 x Printer Header - 2 x USB 2.0 Header - 4 x SATA2 3Gb/s Connector - 1 x IDE Connector - 1 x Floppy Connector - 1 x Front Audio Header - 1 x Front Panel Header - 1 x CPU FAN Header - 1 x System FAN Header - 1 x Serial Header DIMENSION - Micro ATX Form Factor Dimension: 23.5cm x 18.2cm ( W x L ) OS SUPPORT - Support Windows 2000 / XP / Vista / 7 ACCESSORIES - 2 x SATA Cable - 1 x I/O Shield - 1 x CD Driver - 1 x Quick Guide