Based on the Intel X58 and ICH10R chipset, which is the high-end platform for Intel's LGA 1366 Core i7 including the 32nm 6-core processors, the Gigabyte GA-X58A-USB3 delivers bulks of next generation features that gaming enthusiasts and power users have been waiting for. The Gigabyte GA-X58A-USB3 includes Gigabyte's On/Off Charge technology that enables faster iPhone, iPad and iPod Touch charging. Incorporating USB 3.0, Ultra Durable 3 and XHD (eXtreme Hard Drive) technologies, as well as multi-GPU support for NVIDIA SLI and ATI CrossFireX, this board ensures every part of the system performance is reaching to the cutting-edge levels. Additionally, overclocking is now becoming more convenient and flexible, thanks to Gigabyte’s Cloud OC and Hotkey OC. System durability and security are as important as ever. Gigabyte's DualBIOS system has a second BIOS chip on the motherboard for quick and painless recovery from crashes and viruses. Count on Gigabyte's experience and innovations! South Bridge: Intel ICH10R Number of Memory Slots: 6×240pin Memory Standard: DDR3 2200/1333/1066/800 PCI Express 2.0 x16: 2 Onboard Video Chipset: None Audio Chipset: Realtek ALC892 Max LAN Speed: 10/100/1000Mbps PCI Express x16: 1 x PCI Express x16 slot, running at x4 (PCIEX4_1)