the toxic:http://www.amazon.com/Sapphire-DL-DVI-I-SL-DVI-D-PCI-Express-11221-01-40G/dp/B00FLMKR78/ref=sr_1_1?ie=UTF8&qid=1382703386&sr=8-1&keywords=sapphire+r9+280x+toxic
the 7970:http://www.amazon.com/Sapphire-DL-DVI-I-SL-DVI-D-PCI-Express-11197-03-40G/dp/B009B6Y01Y/ref=sr_1_3?ie=UTF8&qid=1382703428&sr=8-3&keywords=amd+7970