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Old 06-29-2012, 09:18 AM   #1
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Default Lenovo Thinkcentre A70-7844C1U SSF

Hi, I was wondering if I could replace my current PSU (180-Watts) to a more stronger PSU. I want to do this so I can install a dedicated video card like the Geforce GT 220 or the Radeon HD 7450. I was thinking I could be able to change my PSU to something like this: SilverStone Technology Co., Ltd.- ST45SF
I just need confirmation that I will be able to replace my PSU in my SSF Computer without any troubles, Thanks!
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Old 06-29-2012, 11:49 AM   #2
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Default Re: Lenovo Thinkcentre A70-7844C1U SSF

Any help would be great thanks!
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Old 06-29-2012, 12:17 PM   #3
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Default Re: Lenovo Thinkcentre A70-7844C1U SSF

You might be able to fit the PSU in there, however, I think the expansion slots on the back of the case are only half height. If that's the case, you would need a low profile video card.
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Old 06-29-2012, 12:49 PM   #4
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Default Re: Lenovo Thinkcentre A70-7844C1U SSF

The lenovo website says that the Radeon Card is compatible with my computer so I guess all Video cards at that height would fit as well?
Edit: I found a good low profile Graphics card: http://www.amd.com/us/products/deskt...verview.aspx#1
It's the Radeon HD 5570 and it's low profile so it should be able to fit in my computer right? (I don't know the maximum height requirement for compatible graphics cards) The only problem I see is my PSU which i will replace with the PSU mentioned before.

PS: My computer only has one PCI-E x16
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Old 06-29-2012, 01:38 PM   #5
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Default Re: Lenovo Thinkcentre A70-7844C1U SSF

If the computer uses a standard ATX PSU, you shouldn't have a problem. That card will work in both low profile and full height applications.
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Old 06-29-2012, 04:33 PM   #6
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Default Re: Lenovo Thinkcentre A70-7844C1U SSF

Thanks, How can i find out what PSU i'm using right now?
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Old 06-29-2012, 04:48 PM   #7
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Default Re: Lenovo Thinkcentre A70-7844C1U SSF

The manufacturer's web site might tell you.
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Old 06-29-2012, 05:29 PM   #8
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Default Re: Lenovo Thinkcentre A70-7844C1U SSF

One more question, Is the PSU i'm going to use to replace my current one compatible with any SFF computer (ST45SF)
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Old 06-29-2012, 05:51 PM   #9
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Default Re: Lenovo Thinkcentre A70-7844C1U SSF

It should be. It says it's compatible with SFX chassis.
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Old 06-29-2012, 09:54 PM   #10
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Default Re: Lenovo Thinkcentre A70-7844C1U SSF

Thanks For all the help!
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