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Upgrading a new graphic card into my pre-built

I have a Acer Predator G3-605 and i would like to add in a new graphic card which is listed below:

MSI GTX 760 Twin Frozr
http://www.msi.com/product/vga/N760_TF_2GD5OC.html#hero-overview

My pre-built specs:
CPU : i7-4770 3.4 Ghz
Mobo : Intel® B85
GPU : GTX 645 2GB
RAM : 8GB RAM
HDD : 1TB

and the others you can check at: http://www.acer.com.sg/ac/en/SG/content/model-datasheet/DT.SPXSG.007
(The above specs are correct. Don't confirm the information from the datasheet)

Could i upgrade the new graphic card while GTX 645 2GB still intact? When i looked from the behind, i see one LAST empty slot which means i could upgrade right? Please help and reply as soon as possible! Thanks! :D


/Vinnie
4 answers Last reply Best Answer
More about upgrading graphic card pre built
  1. Best answer
    No you need to remove the 645 first. You will also probably need to upgrade your psu as well. Prebuilt PCs almost always come with crappy psus, and it's probably not powerful enough for a GTX760 anyway.
  2. CTurbo said:
    No you need to remove the 645 first. You will also probably need to upgrade your psu as well. Prebuilt PCs almost always come with crappy psus, and it's probably not powerful enough for a GTX760 anyway.


    Ohh okay.. So what is the recommended PSU to buy?
  3. A good 550W PSU is good. 650W would be able to handle stuff even better. Get 750W+ only if you are using 2 GPUs or a dual-GPU.
  4. Icaraeus said:
    A good 550W PSU is good. 650W would be able to handle stuff even better. Get 750W+ only if you are using 2 GPUs or a dual-GPU.


    Hey! Want some thank you cards from Singapore? Hahaha! Thank you my helpful friend! :D
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