If this computer will be able to play BF3 on ultra settings?
AMD FX-8150 Prozessor, Boxed, Sockel AM3+
ASRock 970 Extreme4, AM3+, ATX
XilencePower CPU-Kühler AM2/939/754
8GB-Kit G.Skill PC3-10667U CL9
Cooler Master HAF 912 schwarz
Super-Flower Amazon 80Plus 550W
Sapphire HD 7850 OC 2GB GDDR5 PCI-Express
Seagate Barracuda 7200 500GB SATA 6GB's
Sony NEC Optiarc DDU1681S schwarz
Wintech USB 2.0 PCI Controller USK-25, 4
OEM Microsoft Windows 7 Home Premium 64-bit
This all costs about £670.00
Yes, but that CPU really isnt as good as it looks, The i5-2500k is better in overall performance, and its slightly cheaper, if you have the extra money, get an i7-2600k.
If you got an i5/i7 you'll need a socket 1155 motherboard, i'd go for the ASRock Z77 Extreme 4 motherboard, its only £100.
Its a Z77 board so you can always upgrade to ivy bridge proccesors.