Gigabyte LGA 1155 DDR3 1600 Intel Z77 SLI HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard with UEFI BIOS GA-Z77X-UD4H CPU:Support for Intel Core i7 processors/Intel Core i5 processors/ Intel Core i3 processors/Intel Pentium processors/Intel Celeron processors in the LGA1155 package Memory: 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory, 2800(OC)/1600/1333/1066 MHz memory modules Onboard Graphics: 1 x D-Sub port, 1 x DVI-D port, supporting a maximum resolution of 1920x1200, 1 x HDMI port, supporting a maximum resolution of 1920x1200, 1 x DisplayPort, supporting a maximum resolution of 2560x1600 Expansion Slots: 1 x PCI Express x16 slot, running at x16 ; 1 x PCI Express x16 slot, running at x8 ; 1 x PCI Express x16 slot, running at x4; 3 x PCI Express x1 slots; 1 x PCI slot Storage Interface: 4 x SATA 6Gb/s connectors, 4 x SATA 3Gb/s connectors; Support for RAID 0, RAID 1, RAID 5, and RAID 10; 2 x eSATA 6Gb/s connectors; Support for RAID 0 and RAID 1 USB: Up to 8 USB 3.0/2.0 ports ; Up to 6 USB 2.0/1.1 ports Internal I/O Connectors: 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 1 x PCIe power connector 4 x SATA 6Gb/s connectors 4 x SATA 3Gb/s connectors 1 x CPU fan header 4 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 3 x USB 2.0/1.1 headers 1 x Clear CMOS jumper 1 x Trusted Platform Module (TPM) header 1 x power button 1 x reset button 1 x Clear CMOS button 1 x BIOS switch button Voltage Measurement Points Back Panel Connectors: 1 x PS/2 keyboard/mouse port 1 x D-Sub port 1 x DVI-D port 1 x optical S/PDIF Out connector 1 x HDMI port 1 x DisplayPort 2 x eSATA 6Gb/s connectors 6 x USB 3.0/2.0 ports 1 x RJ-45 port 6 x audio jacks