GIGABYTE GA-P67A-UD3R-B3 Supports LGA1155 2nd Generation Intel Core processors

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® P67 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 2133/1866/1600/1333/1066 MHz memory modules Support for non-ECC memory modules Support for Extreme Memory Profile (XMP) memory modules (Go to GIGABYTE's website for the latest supported memory speeds and 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 (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 x4 (PCIEX4) * The PCIe x1 slots share bandwidth with the PCIEX4 slot. When one of the PCIe x1 slots is populated, the PCIEX4 slot will operate at up to x1 mode.

3 x PCI Express x1 slots (All PCI Express slots conform to PCI Express 2.0 standard. ) 2 x PCI slots Multi-Graphics Technology Support for ATI CrossFireX technology * The PCIEX16 slot operates at up to x4 mode when ATI CrossFireX is enabled.
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_3, SATA2_4, SATA2_5) supporting up to 4 SATA 3Gb/s devices Support for SATA 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.
USB Chipset: Up to 14 USB 2.0 / 1.1 ports (8 on the back panel, 6 via the USB brackets connected to the internal USB headers)
Renesas D720200 chip: Up to 2 USB 3.0 / 2.0 ports Internal I/O Connectors 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 2 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 serial port header 1 x clearing CMOS jumper Back Panel Connectors 1 x PS/2 keyboard/mouse port 1 x coaxial S/PDIF Out connector 1 x optical S/PDIF Out connector 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 (Center/Subwoofer Speaker Out/Rear Speaker Out/ Side Speaker Out/Line In/Line Out/Microphone)