3 x Chassis Fan connectors (1 x 4-pin, 2 x 3-pin) 2 x CPU Fan connectors (1 x 4-pin, 1 x 3-pin) 1 x Front USB 3.0 header (supports 2 USB 3.0 ports) by Etron EJ188H, supports USB 1.1/2.0/3.0 up to 5Gb/s 2 x Rear USB 3.0 ports by Etron EJ188H, support USB 1.1/2.0/3.0 up to 5Gb/s 5 x SATA3 6.0 Gb/s connectors, support RAID (RAID 0, RAID 1, RAID 5 and RAID 10), NCQ, AHCI and Hot Plug functions Supports AMD Quad CrossFireX™ and CrossFireX™ 2 x PCI Express 2.0 x16 slots (PCIE2 x16 mode PCIE4 x4 mode) Supports Energy Efficient Ethernet 802.3az 7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec)

CPU, VCCM, NB, SB Voltage Multi-adjustment 32Mb AMI UEFI Legal BIOS with GUI support For Windows® 64-bit OS with 64-bit CPU, there is no such limitation. ***Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. ASRock will update the memory support list on the official website once these memory modules are available on the market. **To reach the maximum 64GB of system memory, memory modules with 16GB capacity or above are required. For detail CPU specification, please refer AMD official website. *1866/1800/1600MHz memory speed is supported depend on the AM3/AM3+ CPU you adopt. Supports Hyper-Transport 3.0 (HT 3.0) Technology Supports Untied Overclocking Technology Supports AMD's Cool 'n' Quiet Technology Support for Socket AM3 processors: AMD Phenom™ II X6 / X4 / X3 / X2 (except 920 / 940) / Athlon II X4 / X3 / X2 / Sempron processors

Asrock 970 extreme3 driver