ASRock XFast USB (Universal Serial Bus) series motherboard integrates with the XFast USB (Universal Serial Bus) technology which delivers the fast USB (Universal Serial Bus) data transfer speed. The ASRock XFast USB (Universal Serial Bus) technology can even boost USB (Universal Serial Bus) 3.0 performance. It is the smart start page for IE that combines your most visited web sites, your history, your Facebook friends & your real-time newsfeed into an enhanced view for a more personal Internet experience. ASRock motherboard is exclusively equipped with the smart view utility that helps you keep in touch with friends on-the-go. Product Specifications CPU Supports 2nd Generation Intel Core™ i 7 / i 5 / i 3 in LGA1155 Package Supports Intel Turbo Boost 2.0 Technology Supports Intel K-Series CPU Supports Hyper-Threading Technology Chipset Intel H61 Memory Dual Channel DDR3 memory technology 2 x DDR3 DIMM slots Supports DDR3 1333/1066 non-ECC, un-buffered memory Max. capacity of system memory: 16GB* * Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation. BIOS 32 Mb AMI UEFI Legal BIOS with GUI support Supports " Plug & Play" ACPI 1.1 Compliance Wake Up Events Supports jumperfree SMBIOS 2.3.1 Support IGPU, DRAM, PCH, CPU PLL, VTT, VCCSA Voltage Multi-adjustment Graphics Supports Intel HD Graphics Built-in Visuals: Intel Quick Sync Video, Intel Clear Video HD Technology, Intel HD Graphics 2000/3000, Intel Advanced Vector Extensions (AVX) Pixel Shader 4.1, Direct X 10.1 Max. shared memory 1759MB Supports D-Sub with max. resolution up to 2048x 1536 @ 75 Hz * Due to chipset limitation, the Blu-ray playback of Intel HD Graphics is only supported under Windows Vista™ & Windows 7. Audio 5.1 CH HD Audio (VIA VT1705 Audio Codec) LAN Atheros PCIEx 1 LAN AR8152 Speed: 10/100 Ethernet Supports Wake-On-LAN Supports PXE Slots 1 x PCI Express 2.0 x 16 slot (blue @ x 16 mode) 1 x PCI Express 2.0 x 1 slot Connector 4 x SATA2 3.0 Gb/s connectors, support NCQ, AHCI & Hot Plug functions 1 x Print port header 1 x COM port header CPU/ Chassis/ Power FAN connector 24 pin ATX power connector 4 pin 12V power connector Front panel audio connector 2 x USB (Universal Serial Bus) 2.0 headers (support 4 USB (Universal Serial Bus) 2.0 ports) * Please noted that AHCI mode is not supported under Windows XP/XP 64bit OS Rear Panel I/O 1 x PS/2 Mouse Port 1 x PS/2 Keyboard Port 1 x VGA/D-Sub Port 6 x Ready-to-Use USB (Universal Serial Bus) 2.0 Ports 1 x RJ-45 LAN Port with LED (ACT/LINK LED & SPEED LED) HD Audio Jack: Line in / Front Speaker / Microphone Unique Feature ASRock Extreme Tuning Utility (AXTU) Instant Boot ASRock Instant Flash ASRock AIWI ASRock APP Charger Smart View ASRock XFast USB (Universal Serial Bus) Hybrid Booster: ASRock U-COP Boot Failure Guard (B.F.G.) Combo Cooler Option (C.C.O.) Good Night LED Hardware Monitor CPU Temperature Sensing Chassis Temperature Sensing CPU/ Chassis/ Power Fan Tachometer CPU/ Chassis Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) CPU/ Chassis Fan Multi-Speed Control Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore Form Factor Micro ATX Form Factor: 8.9-in x 6.8-in, 22.6 cm x 17.3 cm Solid Capacitor for CPU power OS Microsoft Windows 7 / 7 64-bit / Vista / Vista 64-bit / XP / XP 64-bit compliant