GIGABYTE GA-P67X-UD3-B3 LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard Intel P67 Express Chipset 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 CPU: Support for Intel Core i7/i5/i3/Pentium/Celeron processors in the LGA1155 package. Chipset: Intel P67 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 Dolby Home Theater. 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 x8. 3 x PCI Express x1 slots. 2 x PCI slots. Support for ATI CrossFireX/NVIDIA SLI technology. Storage Interface: Chipset: 2 x SATA 6Gb/s. 4 x SATA 3Gb/s. Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10. 1 x Marvell 88SE9172 chip: 2 x SATA 6Gb/s connectors. Support for SATA RAID 0 and RAID 1. USB: Chipset: Up to 14 USB 2.0/1.1 ports. 2 x Etron EJ168 chips:Up to 4 USB 3.0/2.0 ports. IEEE 1394: Up to 2 IEEE 1394a ports. Internal I/O Connectors: 1 x 24-pin ATX main power connector/1 x 8-pin ATX 12V power connector/4 x SATA 6Gb/s connectors/4 x SATA 3Gb/s connectors/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 USB 3.0/2.0 headers/1 x IEEE 1394a header/1 x serial port header/1 x clearing CMOS jumper/1 x TPM module header Back Panel Connectors:1 x PS/2 keyboard/mouse port/1 x optical S/PDIF Out connector/1 x IEEE 1394 port/8 x USB 2.0/1.1 ports/2 x USB 3.0/2.0 ports/1 x RJ-45 port/6 x audio jacks