Among the negative reviews of several laymen:
Slow down I'm sick of bad reviews of some ignorant on Amazon. Some believe but seriously, you would need only remove the old card and tuck the new and everything works perfectly! Here the 0815-specification for professional software and hardware technical installing a new graphics card!
1. Remove old drivers the old graphics card and restart the PC, to make sure that the old driver was actually removed off PC!
2. Remove the old graphics card
3. Install new video card, check electrical connections and check after switching activity of the fan!
4. download latest drivers from the respective manufacturers and install!
And therefore this card from Sapphire runs smoothly and stable!
From my absolute buy recommendation!