GIGABYTE Z77-DS3H Motherboard combine a host of new & exciting technologies with the latest Intel Z77 Express Chipset, creating a unique range of motherboard designs that harness the outstanding performance of the new 3rd generation Intel Core processors. With an exclusive GIGABYTE 3D BIOS (Dual UEFI), UD4 Classic technology & unique EZ Set Up uilities, GIGABYTE Z77-DS3H Motherboard ensure outstanding system absolute control, with additional features that ensure an unrivalled experience on your next PC build. CPU Support for Intel Core i 7 processors/ Intel Core i 5 processors/ Intel Core i 3 processors/ Intel Pentium processors/ Intel Celeron processors in the LGA1155 package L3 cache varies with CPU (Some Intel Core processors require a graphics card, please refer "CPU support List" on Gigabyte website for more information.) Chipset Intel Z77 Express Chipset Memory 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory * Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB. Dual channel memory architecture Support for DDR3 2400 (OC)/1600/1333/1066 MHz memory modules Support for non-ECC memory modules Support for Extreme Memory Profile (XMP) memory modules Onboard Graphics Integrated Graphics Processor: 1 x D-Sub port 1 x DVI-D port, supporting a maximum resolution of 1920x 1200 * The DVI-D port does not support D-Sub connection by adapter 1 x HDMI port, supporting a maximum resolution of 1920x 1200 Audio Realtek ALC887 codec High Definition Audio 2/4/5.1/7.1-channel * To configure 7.1-channel audio, you have to use an HD front panel audio module & enable the multi-channel audio feature through the audio driver. Support for S/PDIF Out LAN Atheros Gb E LAN chip (10/100/1000 Mbit) Expansion Slots 1 x PCI Express x 16 slot, running at x 16 (PCIEX16) (The PCIEX16 slot conforms to PCI Express 3.0 standard.) * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot. * The PCI Express x 16 slot supports up to PCI Express 2.0 standard when an Intel 32nm (Sandy Bridge) CPU is installed. 1 x PCI Express x 16 slot, running at x 4 (PCIEX4) 2 x PCI Express x 1 slots (The PCIEX4 & PCI Express x 1 slots conform to PCI Express 2.0 standard.) 2 x PCI slots Multi-Graphics Technology Support for AMD Cross Fire X technology Storage Interface Chipset: 2 x SATA 6 Gb/s connectors (SATA3 0/1) supporting up to 2 SATA 6 Gb/s devices 3 x SATA 3 Gb/s connectors (SATA2 2/3/4) supporting up to 3 SATA 3 Gb/s devices 1 x m SATA connector Support for RAID 0, RAID 1, RAID 5, & RAID 10 * When a RAID set is built across the SATA 6 Gb/s & SATA 3 Gb/s channels, the system performance of the RAID set may vary depending on the devices being connected. USB (Universal Serial Bus) Chipset: Up to 4 USB (Universal Serial Bus) 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB (Universal Serial Bus) header) * In Windows XP, the Intel USB (Universal Serial Bus) 3.0 ports can support up to USB (Universal Serial Bus) 2.0 transfer speed. Up to 8 USB (Universal Serial Bus) 2.0/1.1 ports (4 ports on the back panel, 4 ports available through the internal USB (Universal Serial Bus) headers) Internal I/O Connectors 1 x 24-pin ATX main power connector 1 x 4-pin ATX 12V power connector 2 x SATA 6 Gb/s connectors 3 x SATA 3 Gb/s connectors 1 x m SATA connector 1 x CPU fan header 3 x system fan headers 1 x front panel header 1 x front panel audio header 1 x S/PDIF Out header 2 x USB (Universal Serial Bus) 2.0/1.1 headers 1 x USB (Universal Serial Bus) 3.0/2.0 header 1 x Clear CMOS jumper 1 x serial port header 1 x Trusted Platform Module (TPM) header Back Panel Connectors 1 x PS/2 keyboard/mouse port 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 4 x USB (Universal Serial Bus) 2.0/1.1 ports 2 x USB (Universal Serial Bus) 3.0/2.0 ports 1 x RJ-45 port 3 x audio jacks (Line In/ Line Out/ Microphone) I/O Controller i TE I/O Controller Chip H/W Monitoring System voltage detection CPU/ System temperature detection CPU/ System fan speed detection CPU overheating warning CPU/ System fan fail warning CPU/ System fan speed control * Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install. BIOS 2 x 64 Mbit flash Use of licensed AMI EFI BIOS Support for Dual BIOS Pn P 1.0a, DMI 2.0, SM BIOS 2.6, ACPI 2.0a Unique Features Support for @BIOS Support for Q-Flash Support for Xpress Install Support for Xpress Recovery 2 Support for e Xtreme Hard Drive (X.H.D) Support for Auto Green Support for ON/OFF Charge Support for Q-Share Support for LAN Optimizer (Intelligent optimization network management tool) Operating System Support for Microsoft Windows 7/XP Form Factor ATX Form Factor; 30.5cm x 21.5cm Remark Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website. Most hardware/software vendors may no longer offer drivers to support Win 9X/ME/2000/XP SP1/SP2.