Gigabyte GA-Z77X-D3H LGA-1155

Support for Intel® Core™ i7 processors/Intel® Core™ i5 processors/ Intel® Core™ i3 processors/Intel® Pentium® processors/Intel® Celeron® processors in the LGA1155 package
L3 cache varies with CPU
(Some Intel® Core™ processors require a graphic card, please refer "CPU support List" 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 2800(OC)/1600/1333/1066 MHz memory modules
Support for non-ECC memory modules
Support for Extreme Memory Profile (XMP) memory modules
(Please refer "Memory Support List" for more information.)
Onboard Graphics
Integrated Graphics Processor:
1 x D-Sub port
1 x DVI-D port, supporting a maximum resolution of 1920x1200
* The DVI-D port does not support D-Sub connection by adapter.
1 x HDMI port, supporting a maximum resolution of 1920x1200
Audio
VIA VT2021 codec
High Definition Audio
2/4/5.1/7.1-channel
Support for S/PDIF Out
LAN
1 x Atheros GbE LAN chip (10/100/1000 Mbit)
Expansion Slots
1 x PCI Express x16 slot, running at x16 (PCIEX16)
* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.

1 x PCI Express x16 slot, running at x8 (PCIEX8)
* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot will operate at up to x8 mode.

1 x PCI Express x16 slot, running at x4 (PCIEX4)
* The PCIEX4 slot shares bandwidth with the PCIEX1_1/2/3 slots. The PCIEX1_1/2/3 slots slots will become unavailable when a PCIe x4 expansion card is installed.

3 x PCI Express x1 slots
(PCIEX4 and PCIEX1 slots conform to PCI Express 2.0 standard.)

1 x PCI slots
Multi-Graphics Technology
Support for 2-Way AMD CrossFireX™/NVIDIA SLI technology (PCIEX16 and PCIEX8)
Storage Interface
Chipset:
2 x SATA 6Gb/s connectors (SATA3 0/SATA3 1) supporting up to 2 SATA 6Gb/s devices
4 x SATA 3Gb/s connectors (SATA2 2~SATA2 5) supporting up to 4 SATA 3Gb/s devices
1 x mSATA connector
* The SATA2 5 connector will become unavailable when the mSATA connector is installed with a solid state drive.
Support for RAID 0, RAID 1, RAID 5, and RAID 10
* When a RAID set is built across the SATA 6Gb/s and SATA 3Gb/s channels, the system performance of the RAID set may vary depending on the devices being connected.
1 x Marvell 88SE9172 chip:
2 x SATA 6Gb/s connectors (GSATA3 6/GSATA3 7) supporting up to 2 SATA 6Gb/s devices
Support for RAID 0 and RAID 1
USB
Chipset:
Up to 4 USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB headers)
* In Windows XP, the Intel USB 3.0 ports can support up to USB 2.0 transfer speed.
Up to 6 USB 2.0/1.1 ports (2 ports on the back panel, 4 ports available through the internal USB headers)
VIA VL800 chip:
Up to 4 USB 3.0/2.0 ports on the back panel
* Due to a Windows 7 limitation, please connect your USB device(s) to the USB 2.0/1.1 port(s) before the VIA USB 3.0 controller driver is installed.
Internal I/O Connectors
1 x 24-pin ATX main power connector
1 x 4-pin ATX 12V power connector
4 x SATA 6Gb/s connectors
4 x SATA 3Gb/s connectors
1 x mSATA 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
1 x USB 3.0/2.0 header
2 x USB 2.0/1.1 headers
1 x serial port header
1 x Clear CMOS jumper
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
6 x USB 3.0/2.0 ports
2 x USB 2.0/1.1 ports
1 x RJ-45 port
1 x optical S/PDIF Out connector
5 x audio jacks (Center/Subwoofer Speaker Out, Rear Speaker Out, Side Speaker Out, Line In/Mic In, Line Out)
I/O Controller
iTE 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 DualBIOS™
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Unique Features
Support for @BIOS
Support for Q-Flash
Support for Xpress Install
Support for Xpress Recovery2
Support for EasyTune
* Available functions in EasyTune may differ by motherboard model.
Support for eXtreme Hard Drive (X.H.D)
Support for Auto Green
Support for ON/OFF Charge
Support for Q-Share
Support for 3D Power
Support for EZ Setup
Support for LAN Optimizer (Intelligent optimization network management tool)

+ I/O shield krytka