Gigabyte GA-Z68AP-D3 Intel Z68 LGA 1155 HDMI SATA 6Gb/s DDR3 2133 ATX Motherboard CPU: Support for Intel Core i7/i5/i3/Pentium/Celeron processors in the LGA1155 package. Chipset: Intel Z68 Express Chipset Memory: 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory. Dual channel memory architecture. Support for DDR3 2133/1866/1600/1333/1066 MHz memory modules. Audio: Realtek ALC889 codec. High Definition Audio. 2/4/5.1/7.1-channel. Support for S/PDIF Out. LAN: 1 x Realtek RTL8111E chip (10/100/1000 Mbit) Expansion Slots: 1 x PCI Express x16 slot, running at x16. 1 x PCI Express x16 slot, running at x4. 3 x PCI Express x1 slots. 2 x PCI slots. Support for AMD CrossFireX technology Storage Interface: 2 x SATA 6Gb/s connectors. 4 x SATA 3Gb/s connectors. Support for RAID 0, RAID 1, RAID 5, and RAID 10. USB: Chipset: Up to 10 USB 2.0/1.1 ports. Etron EJ168 chip: Up to 2 USB 3.0/2.0 ports on the back panel. Internal I/O Connectors:1 x 24-pin ATX main power connector/1 x 4-pin ATX 12V power connector/2 x SATA 6Gb/s connectors/4 x SATA 3Gb/s connectors/1 x mSATA connector/1 x CPU fan header/2 x system fan headers/1 x power fan header/1 x front panel header/1 x front panel audio header/1 x S/PDIF Out header/3 x USB 2.0/1.1 headers/1 x clearing CMOS jumper/1 x Trusted Platform Module (TPM) header Back Panel Connectors: 1 x PS/2 keyboard/mouse port/1 x parallel port/1 x serial port/1 x optical S/PDIF Out connector/1 x HDMI port/4 x USB 2.0/1.1 ports/2 x USB 3.0/2.0 ports/1 x RJ-45 port/3 x audio jacks (Line In/Line Out/Microphone)