DirectCU II 30% cooler. 3X quieter. Exclusive DirectCU II thermal design includes a direct-GPU contact 10mm copper heatpipe and 220% larger dissipation area to boost heat removal efficiency. It performs 30% cooler and 3X quieter than reference. *30% cooler and 3X performance is based on GTX 780 DC2. It may also vary by system configuration.

DIGI+ VRM with Super Alloy Power 30% less power noise and 2.5X greater durability Acclaimed DIGI+ VRM has been applied via a massive power design that uses digital voltage regulators to minimize power noise by 30% and enhance power efficiency by 15%, widen the voltage modulation range, and improve overall stability and longevity by 2.5 times longer than reference.

GPU Tweak Real-time and intuitive graphics tuning ASUS GPU Tweak utility not only allows you to optimize clock speeds, voltages and fan speeds on up to four graphics cards independently or simultaneously, you can also select between GPU Tweak’s Standard or Advanced modes depending on your level of experience.

GTXTITAN-6GD5 GTX780-DC2OC-3GD5 GTX770-DC2OC-2GD5 GTX760-DC2OC-2GD5 GTX660 TI-DC2OC-3GD5 GTX660-DC2O-2GD5 *See http://www.geforce.com/HolidayBundle for specific terms and conditions.