I buy this after my old AGP HD 3850 couldnt hold Mechwarrior Online properly . go for it because of the price , be not as expensive as the 7900 hd series and its in the middle of everything deliver a punch at video game . I be not a fan of OC , but ill be give it a try in a future when need , right now , this massive video card -lrb- be huge ! -rrb- can handle everything i throw to it at max video setting and at 1920x1080 resolution . you wont regret buying this card . Sapphire be the way to go because it have Crossfire Bridge , pc connector and everything need just to plug in and start play . $ 10.00 difference only for all of it ; and of course sapphire brand make solid product -lrb- my old video card the hd 3850 have 5 year of intensive use at gaming , and never have a problem with it -rrb- I download latest vid driver 12.8 catalyst and hydravision driver . its sweet ! run very cool , at 50  c and at ultra setting on sc2 , Mechwarrior Online , Diablo III and World of Warcraft . believe I , you wont go wrong with this Video Card . if you oc you can get even better Benchmarks than the 7900 series but as I state before , im not a huge fan of overclocking . my system : core i5 3550 3.3 ghz LGA 1155 ASUS p8h61-lx3 \/ SI DDR3 Kingston 8gb -lrb- 2x4gb -rrb- 1333mhz pc3-10600 Sapphire HD 7870 GHZ Edition OC 2gb ddr5 -lrb- 1199-03-20g -rrb- Omega 850 watt power supply wd 500 gb hdd Hitachi 500 gb HDD Ill upgrade case and motherboard in a few , the Video Card be so big that block 2 of my SATA port so whenever i wanna install something , I have to open the case and switch the slave hdd for my dvd to be able to install some other stuff\/games . Amazon and Prime rulez , deliver in 2 day after buy it ! price be even better than at other known site .