How to find best dvr card?

[mickeyli]

I want best dvr card. But I don't know how to find best dvr card?
Can anyone give me some advice?

 

[miyuan]

If you want to buy a good dvr cards, you should know more about it ,like the Technical Data, styles, features, you may buy a outdated dvr card easily, so just be careful, if you just want to want a high quality but low price one, you should search in goole, and buy it from China.