MG HD6770 Transformers $599 memory as above.

I have always been superstitious about A card, and I am better than N card in dealing with 3D. The number of A cards is greater than that of small cards, but the HD5000+ series is indeed worse than some graphics cards of the HD4000+.

I really don't remember the difference between A card and N card except the calculation and mapping method of light and shadow, that is, the calculation method of 3D imaging.

Galaxy GTS450 black universal 799 memory 1G

7 colorful GTX550Ti Thunderstorm Shark 799 memory is the same as above.

However, it is better to use the N card for third base. The logo of the N card is at the lower left of the login interface ... which tells us to use the N card. If you want detailed parameters, you can look at Guan Zhong online. If you want to buy in an online store, you'd better go there. Taobao fakes are more = =, where there are at least supervision institutions, so the online stores they recommend are more reputable. I miss your motherboard socket first, and I'll add some more.