Radeon E7 240 on HP Compaq DC7600 SFF (MAX ~240W PSU)

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dzonidev

dzonidev

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Feb 17, 2014
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Hi,

As the title says. I have an HP Compaq DC7600 SFF, which has a custom power supply, that can provide MAX 240W. But we all know that's not the case.

Anyways, the PC has the Intel Pentium D930, 3GB of DDR2 RAM and a 7200RPM SATA 2 HDD. It has onboard graphics GMA 945.

At the moment, buying a new PC is not an option.

The PC is not meant to be used for heavy gaming. My little brother plays Minecraft on it and sometimes flash games and plays some YouTube videos. It's also used for some web browsing from time to time and Office. Basically a family PC.

So I decided to look for ways to upgrade the current config. One of the ideas was a discrete graphics card. I did a lot of research and I came up with Radeon HD 6450, which uses 18W of power, and is confirmed to work without issues on the mentioned desktop. Then I came across the R7 240, which has better performance but uses a bit more power, 30W.

I have a 1080p, 21" monitor.

Would the R7 240 work, providing that the PSU is not that powerful?
 
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mouse24

mouse24

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Nov 30, 2010
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Lets assume that by 240w they meant close to 175w. Your CPU can take 95w and the mobo/ram/hdd/etc lets just call that 30w total. + the r7 240 would be another 30w. That would be 155 at max load. I'd probably go for it. Whats your max budget for upgrading this system?

Are you against going to linux? If not you -might- be able to grab a cheap APU + mobo + 4gb of ram for under 100 bucks. That would use about the same amount of power you have now but outperform this upgrade by quite a bit. Ah well maybe that wouldn't be such a good idea, you might need to replace the case and if you replace that you would need a PSU that fits the system... Hmmm... This is hard.
 
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LucoTF

LucoTF

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Sep 6, 2013
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The difference between the two cards is 1 amp. If it can run one it can run the other.
 
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mouse24

mouse24

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Nov 30, 2010
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His is OEM SFF, finding psus for those can be a huge pain or nonexistant.
 
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dzonidev

dzonidev

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Feb 17, 2014
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Not really, I like Linux, but I'm not quote sure my family agrees. They are not big on tech. The new config would be a good, but that means a whole new computer, since the SFF is a little specific in terms of the mobo placement and design.

This is basically just something to "hold on" for the next 2-3 years. Then I'll build a proper PC.

I tried looking for a new PSU, but HP stated that the PSU is custom, and there are no upgrades, maybe later SFF versions would be a good place to look, but who knows if it's the same size or design. I've read that some people were able to hack a Seasonic PSU to fit in the case.
 
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