http://www.amazon.co.uk/Gigabyte-NVIDIA-GTX650Ti-PCI-E-Graphics/dp/B009KFT2KA/ref=sr_1_1?ie=UTF8&qid=1390680818&sr=8-1&keywords=650ti or for 15 extra (really worth it) http://www.amazon.co.uk/Sapphire-11200-06-20G-CrossFireX-Multi-GPU-Technology/dp/B0089E6IR8/ref=sr_1_7?ie=UTF8&qid=1390680779&sr=8-7&keywords=7850