looking for a decent graphics card thats compatible with my pc

[frankerz]

i want to upgrade my graphics card within the price range of £100-150 but know nothing about computers and don't want to end up getting one that i have to return. i have looked at a few and the Nvidia GeForce GTX 950 is one that looks good for me, but again i don't know much. i'm not sure what happens if i get a graphics card that is to good for my pc so i dont want it being to good nor to bad. here are my PC specs

AMD A8-600K APU with radeom(tm) HD graphics
3.9 GHz
4 CORES
178BFBFF00610F31

8GB RAM

VIDEO CARD:

AMD RADEON HD 8570D
DEDICATED MEMORY 2GB
TOTAL MEMORY 4GB

MICROSOFT WINDOWS 7 OPERTATING SYSTEM
64-BIT

i need to open my pc to find out my PSU wattage but i would love to hear some suggestions without you knowing my wattage (the graphics card above is 100w and im pretty sure i have that atleast.
your help is much appreciated, thanks

 

[Albionm00n]

Greetings!

Your current video card is actually built into your CPU and is why it is referred to as an APU. Yes, we will need to know more about your system...particularly PSU, but also, is it a pre-built or custom built system. If pre-built, what is the model and make? You may be limited by your case or other potential OEM specifications that may preclude the ability to drop in a dedicated GPU. Also, what are you planning on running on the PC? Triple A game titles? Video work? Entertainment and standard usage? This will also help us find the best solution for you.

I know, I asked questions rather than provided answers, but I would not like to advise you poorly based on lack of information

Hope this helps!