ASUS Introduces the TURBO-GTX970-OC-4GD5 Graphics Card, PCI Express 3.0, 4GB, GDDR5, NVIDIA Geforce GTX 970, ASUS GPU Tweak & Driver, Super Alloy Power -Exclusively-formulated alloy components boost performance by reducing power loss, enhancing durability, and achieving cooler operation, Dual-ball bearing fan - Without the problem of oil drying common in sleeve-bearing fans, the Dual-ball bearing fan on ASUS Turbo GTX 970 lasts 4X longer