Solid Capacitor for CPU Power Supports Intel K-Series CPU Supports Dual Channel DDR3 1600 PCIE Gigabit LAN Supports Intel HD Graphics with Built-in Visuals Dual VGA Output options: DVI-D & D-Sub Combo Cooler Option (C.C.O.) 5.1 CH HD Audio (Realtek ALC662 Audio Codec) Supports ASRock XFast RAM, XFast LAN, XFast USB (Universal Serial Bus) Technologies Supports Intel Smart Connect, Intel Rapid Start, ASRock Graphical UEFI, AXTU Specifications CPU Supports 3rd & 2nd Generation Intel Core i 7 / i 5 / i 3 in LGA1155 Package Supports Intel Turbo Boost 2.0 Technology Supports Intel K-Series unlocked CPU Supports Hyper-Threading Technology Chipset Intel H61 Supports Intel Rapid Start Technology & Smart Connect Technology * Intel Rapid Start Technology & Smart Connect Technology are only supported under Windows 7 OS or later versions. Memory Dual Channel DDR3 memory technology 2 x DDR3 DIMM slots Supports DDR3 1600/1333/1066 non-ECC, un-buffered memory Max. capacity of system memory: 16GB* Supports Intel Extreme Memory Profile (XMP) 1.3 / 1.2 with Intel Ivy Bridge CPU * 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. **DDR3 1600 with Intel Ivy Bridge CPU, DDR3 1333 with Intel Sandy Bridge CPU. 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 2.0, Intel In Tru 3D, Intel Clear Video HD Technology, Intel Insider, Intel HD Graphics 2500/4000 with Intel Ivy Bridge CPU Supports Intel HD Graphics Built-in Visuals: Intel Quick Sync Video, Intel In Tru 3D, Intel Clear Video HD Technology, Intel HD Graphics 2000/3000, Intel Advanced Vector Extensions (AVX) with Intel Sandy Bridge CPU Pixel Shader 5.0, Direct X 11 with Intel Ivy Bridge CPU. Pixel Shader 4.1, Direct X 10.1 with Intel Sandy Bridge CPU. Max. shared memory 1760MB with Intel Ivy Bridge CPU. Max. shared memory 1759MB with Intel Sandy Bridge CPU. Dual VGA Output: Support DVI-D & D-Sub ports by independent display controllers Supports DVI with max. resolution up to 1920x 1200 @ 60 Hz Supports D-Sub with max. resolution up to 2048x 1536 @ 75 Hz Supports HDCP function with DVI port Supports Full HD 1080p Blu-ray (BD) / HD-DVD playback with DVI port * Intel HD Graphics Built-in Visuals & the VGA outputs can be supported only with processors which are GPU integrated. ** Due to chipset limitation, the Blu-ray playback of Intel HD Graphics is only supported under Windows Vista & Windows 7. *** Intel In Tru 3D is only supported under Windows 7 & Windows 7 x 64. Audio 5.1 CH HD Audio (Realtek ALC662 Audio Codec) LAN PCIE x 1 Gigabit LAN 10/100/1000 Mb/s Realtek RTL8111C Supports Wake-On-LAN Supports PXE Slots 1 x PCI Express 3.0 x 16 slot (blue @ x 16 mode) 1 x PCI Express 2.0 x 1 slot *PCIe Gen 3 is supported on 3rd Generation of Intel Core™ i 5 & Core™ i 7 CPUs. 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) I/O Panel 1 x PS/2 Mouse Port 1 x PS/2 Keyboard Port 1 x D-Sub Port 1 x DVI-D 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) ASRock Instant Boot ASRock Instant Flash ASRock APP Charger ASRock XFast USB (Universal Serial Bus) ASRock XFast LAN ASRock XFast RAM Hybrid Booster: ASRock U-COP Boot Failure Guard (B.F.G.) Combo Cooler Option (C.C.O.) 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 8 / 8 64-bit / 7 / 7 64-bit / Vista / Vista 64-bit / XP / XP 64-bit compliant