Specifications o Mfr Part Number: GA-H55M-USB3 o CPU: Socket 1156 Support Intel Core i7/ i5/ i3 series processors o Chipset: Intel H55 Express Chipset o Memory: 4x 240pin DDR3-2200+/1800/1600/1333/1066/800 DIMMs, Non-ECC, Dual Channel, Upto 16GB o Slots: 1x PCI-Express 2.0 x16 Slot, 1x PCI-Express x16 Slot,Support for ATI CrossFireX technology; 2x PCI Slots o IDE/SATA: 1x ATA-133 Channel; 5x SATA2 Ports; 1x eSATA Port; 2x SATA2 Ports(by GIGABYTE SATA2 chip), Support RAID 0, 1, JBOD o Video: Integrated with graphics controller o Audio: Realtek ALC889 7.1-Channel High Definition Audio CODEC o LAN: Realtek RTL8111D Gigabit Ethernet Controller o Ports: 10x USB 2.0/1.1 Ports (4 rear, 6 by headers); 2x USB 3.0 Ports; 1x eSATA2 Port; 2x IEEE 1394a ports(one rear, one by headers); 1x PS/2 Ports; 1x optical S/PDIF-out Connector; 1x DisplayPort; 1x HDMI Port; 1x DVI Port; 1x VGA Port; 1x RJ45 LAN Port; Audio I/O Jacks o Power Connector: 1x 24pin main power; 1x 8-pin ATX 12V power connector o Form Factor: MATX, 24.4 x 24.4 cm o Package: Retail o RoHS Compliant