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Need help with Graphics Card and PSU upgrade!

Last response: in Graphics & Displays
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January 3, 2014 5:51:06 AM

I've been wanting to upgrade my graphics card for a long time now, but I've never got round to it.
I've now decided that the best card for me is a Nvidia GTX 770.

My current system is prebuilt; Advent DT2111b. Here are the Specs:

-> Intel Core i5 - 2320 3.0GHz 4-Core CPU with 6MB Cache
-> 8GB RAM
-> 2TB Hard Drive
-> AMD HD6670 2GB GDDR3 Graphics Card
-> Windows 7 Home Premium 64-bit

I'm not the most knowledgeable person when it comes to PCs but from research I've found that my Graphics Card is smaller than, for example, the GTX 770 that I am wanting.
I am also aware that I need to purchase a new PSU.

I have many questions to ask before I purchase the Graphics Card and PSU:

-> Does it matter if I change from AMD to Nvidia? (I've heard that you need new drivers, how do you get these?)

-> Will the GTX 770 fit in my case and do the slots etc. in my system match up; basically, is it compatible and will it work?

-> How many watts will I need when it comes to a PSU?

->Can you recommend any PSUs?

->Does it matter that my system in prebuilt?

-> Will I get the most out of the card or are the other specs of my system a hindrance?

-> Can you recommend any GTX 770s? (I mean EVGA, Asus, etc. / Normal, Overclocked, Super-clocked, etc. / Price etc. - Basically, which is the best all-rounder?)

-> 2gb or 4gb GTX 770?


I would also appreciate any other knowledge that you have regarding the situation.

I know I've asked a lot, but I would really appreciate any answers that you can give.

Thanks,





Note to self; next time, get a custom built system!





I was thinking this maybe for a PSU? Too many Watts?

http://www.amazon.co.uk/Corsair-CX750-Builder-Series-Br...





And maybe this for a GTX 770?

http://www.amazon.co.uk/GeForce-DirectCU-Graphics-Expre...

Will these work with my other components and with my case etc.???




Another question; If I had a 750w PSU and my system only needed, say 500w, would I be wasting 250w in power or would the PSU just not utilise the other 250w?




Thanks again!


a b U Graphics card
January 3, 2014 6:21:25 AM

you got to be carefull with prebuilt [dell,hp,acer,ect...] they been knowen to ''fix'' there bios to prevent tampering and certin upgrades. not saying that yours is but tou better look and see if that model of yours has been proved to work with the upgrades you want or you may be left out of money and holding the bag.. good luck.
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January 3, 2014 6:37:40 AM

Probably 550-600w is a safe PSU limit or 850 if youyou plan to SLI (use two cards together). your CPU will bottle neck you but it will depend on the game how much, but don't expect to get 100% but it would still be a huge leap performance wise. from it. As for compatibility as far as size look at the dementions listed on amazon (by the way that card is an excellent choice) and get a measuring tape and see if it'll fit in your case. Changing from and won't matter, just uninstall any video drivers via control panel (should be called catalyst or and something) before switching cards and once you not up with the nvidia card go to "geforce.com" and click the drivers tab. You will probably need to reactivate windows because you changed the hardware so have the key ready that should be in a box you got with your PC. As far as vram size 2gb is sufficient for up to 1080p but if you plan on any larger resolution go with 4gb. if you can afford itit just get the 4gb as it will prevent any future bottle necks from ram size and it would help in games with large textures. Sorry for the disorganized answer. Good luck.
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a c 119 U Graphics card
January 3, 2014 6:48:07 AM

1. No it doesn't matter if you change it from AMD to NVidia. You will find the new drivers on NVidia's site.

2. The GPU will fit or not depends on the size of the case/cabinet. The GPU is 15.74" in length, so you need a big case to fit in the GPU. It is compatible with your MB, and it will work flawlessly, so nothing to worry about that.

3. You will need 600/650W PSU to run the whole system.

4. XFX 550 Pro PSU, see below.

5. Not really, but the branded ones mostly use locked BIOS on MB, so sometimes it will be difficult to upgrade.

6. Yes you can make the most from your card, as the CPU and MB is decent one to cope with the GPU.

You just have to confirm the size of the case, so we can help you decide what PSU and GPU will fit in.

Don't go with Corsair CX series PSU, they are not good enough. Your chosen GPU is fine.

The PSU will only use what needed, and it will not cost you more on your electricity bill, don't worry.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 650W 80+ Bronze Certified Semi-Modular ATX Power Supply (£73.03 @ Ebuyer)
Total: £73.03
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-01-03 14:47 GMT+0000)
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January 3, 2014 7:05:56 AM

lonewolf7 said:
1. No it doesn't matter if you change it from AMD to NVidia. You will find the new drivers on NVidia's site.

2. The GPU will fit or not depends on the size of the case/cabinet. The GPU is 15.74" in length, so you need a big case to fit in the GPU. It is compatible with your MB, and it will work flawlessly, so nothing to worry about that.

3. You will need 600/650W PSU to run the whole system.

4. XFX 550 Pro PSU, see below.

5. Not really, but the branded ones mostly use locked BIOS on MB, so sometimes it will be difficult to upgrade.

6. Yes you can make the most from your card, as the CPU and MB is decent one to cope with the GPU.

You just have to confirm the size of the case, so we can help you decide what PSU and GPU will fit in.

Don't go with Corsair CX series PSU, they are not good enough. Your chosen GPU is fine.

The PSU will only use what needed, and it will not cost you more on your electricity bill, don't worry.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 650W 80+ Bronze Certified Semi-Modular ATX Power Supply (£73.03 @ Ebuyer)
Total: £73.03
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-01-03 14:47 GMT+0000)






This is my case. I know that you can't judge much from a picture but I don't know the name of it or anything.

http://www.adventcomputers.co.uk/sites/default/files/bo...


I'm guessing that I'll need a new case because it's pretty small.

Can you recommend any cases? My budget is variable depending on the quality of the case but I don't want to spend too much.

Will I be able to just change the case, Graphics Card and PSU and keep the rest of the components?

Thanks,




Note: I think I'm going to get someone else more experienced actually to do the upgrade itself; I'd end up obliterating the motherboard by accident or something!



Will this PSU be okay? I just think a 750w will allow for future upgrades and I also live in the U.K. and would prefer to buy from a U.K. based site.

http://www.amazon.co.uk/XFX-PRO750W-Edition-Bronze-Cert...

Thanks again,
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a b U Graphics card
January 3, 2014 7:22:28 AM

well if you decide on getting a new case go with a full or mid tower that supports most all form factors of motherboards so it could be kinda future proof... some builds i use budigt cases and some i try to get the best i can afford and spec, well that i may reuse . like this antec that i have put 3 builds in over the last 10 years. its an oldie but a goodie i also like to stay away from the cases that got openings in the top of the case seeing how i tend to drop stuff and that seems to be just stupid
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January 3, 2014 9:28:30 AM

lonewolf7 said:
Yes that is a small case, so you have to replace it. I would suggest you CM's HAF 912, a good and strongly build case for all your needs.

Yes you can keep the rest of the components, no worries.

Yes that PSU will do.

http://www.amazon.co.uk/Cooler-Master-RC-912A-KWN1-HAF-...


Thanks :) 
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a c 119 U Graphics card
January 3, 2014 9:51:28 AM

You are welcome.
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