Specifications: CPU: Support Intel® Core™ 2 Duo / Quad processors with 1066/800MHz FSB, Support Intel® Core™ 2 Quad/Duo(Extreme Edition) & Pentium® Dual Core & Pentium® Extreme Edition & Pentium® D & Pentium®4 Processors, Digital PWM Designation provide high quality and efficient power, Chipset: Intel® P965 / ICH8R Chipset. Memory: 4 X 240-pin DIMM sockets support max. memory capacity 8GB, Supports Dual channel DDR2 800/667/533 Un-buffered Non-ECC memory. LAN: On board PCI Gigabit LAN controllersupports 10/100/1000M Ethernet. Audio: On board 7.1 CH HD Audio CODEC, Supports auto jack sensing and optical S/PDIF In/Out, HDMI ready header (SPDIF header). Expansion Slots: 1 x PCI-E X16, 1 x PCI-E X16 (x4 bandwidth), 1 x PCI-E X1, 2 x PCI. Internal I/O: 1 x Floppy Port supports up to 2.88 MB, 1 x ATA 133/100/66/3 IDE connector, 6 x SATA 3Gb/s connector, 1 x IEEE1394, 3 x USB header (support 6 ports), 1 x FP-Audio. Back Panel I/O: 1 x PS/2 Keyboard, 1 x PS/2 Mouse, abit Silent OTES, 1 x S/P DIF In, 1 x S/P DIF Out, 2 x eSATA, 7.1 CH Audio connector (Front, Line-in, MIC-in, Center/Subwoofer, Surround, Rear Surround), 4 x USB 2.0, 1 x RJ-45 LAN connector, 1 x 1394, Clear CMOS Switch. Serial ATA: 6 x SATA 3Gb/s offer by Intel® ICH8R support Intel® Matrix Storage Tech(AHCI & RAID0/1/5/10), 2 x eSATA 3Gb/s through JMicron® JMB363 support 0,1JBOD RAID function. IEEE 1394: Supports 2 Ports IEEE 1394 at 400Mb/s transfer rate. Form Factor: ATX form factor 305 x 245mm, PCB Color: Blue. RoHS: 100% lead-free process and RoHS compliant. abit Engineered: abit abit µGuru™ Technology, abit abit Silent OTES™ Technology, 100% Low ESR and high ripple conductive polymer aluminum solid state capacitor, 100% Japanese Capacitor, EZ for CCMOS, On board LED Lighting. abit µGuru: With abit's unique µGuru technology now even the most novice users can fully monitor and control their system including voltages, fans and temperatures; it's all just a click away. The more advanced you become, the more you will appreciate the multitude of fine tuning features abit's µGuru technology holds for you. OC Guru - AutoDrive: By enabling AutoDrive™, you can automatically apply different overclocking settings for different applications. Hardware Monitoring: Monitor temperatures, voltages and fan settings in real time and with zero CPU usage. One Click BIOS Update: With abit's BIOS flash utility you can easily update your motherboard BIOS online or offline. Auto-Detect Hardware Info: The abit BlackBox auto-detects hardware info for quick communication between users and abit Tech support. abit SoftMenu: The original jumperless motherboard design allows for CPU setting changes completely through the BIOS. For GigaOverclocking! Boost your PC's Performance by up to 50%. Convenient and easy-to-use fine tuning from within a self-explanatory BIOS menu. abit EQ: Keep control over your hardware. abit EQ™ is an easy-to-use system monitor that helps you keep an eye on voltages, temperature items and fans. abit CPU ThermalGuard: The abit CPU ThermalGuard™ technology prevents the CPU from overheating and burning up in the case of any hardware cooling malfunction. This hardware thermal protection automatically shuts down your system when the CPU temperature reaches a certain threshold. abit's Silent OTES: abit's Silent OTES™ heatpipe technology dissipates heat from the chipset and conducts it to a highly effective heatsink. This fanless solution keeps your motherboard cool and quiet. Abit AB9 QuadGT