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What is the best processor i can put in my Dell Optiplex GX2280 mini tower?

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April 1, 2013 11:38:26 AM

I have a Dell Optiplex GX280 mini tower and i am looking to upgrade my processor please can you help me find a processor?

Mobo specs:
Board: Dell Inc. 0C5706
Serial Number: ..CN1374051K02LR.
Bus Clock: 800 megahertz
BIOS: Dell Inc. A04 02/09/2005
Socket: 775 LGA


Thanks :) !
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April 1, 2013 12:00:26 PM

Pentium D, maybe a core 2 duo, but I doubt the bios would support it.

That is a really old computer. Like ten years ago DDR 533 old. You may need to upgrade to do... anything with that.
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April 1, 2013 12:23:33 PM

while there may be some upgrade options, you'll be going from really, really slow to also really, really slow. It would be like trading a car that goes 4mph for one that goes 5mph. While one is technically faster, both are too slow to be useful.

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April 1, 2013 12:47:10 PM

the only way you're gonna upgrade a socket 775 CPU is finding a used/refurbished one off ebay for $70+. not worth it.
save up for a new machine.
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April 1, 2013 2:42:34 PM

groundrat said:
Pentium D, maybe a core 2 duo, but I doubt the bios would support it.

That is a really old computer. Like ten years ago DDR 533 old. You may need to upgrade to do... anything with that.


I was just wondering if you could maybe tell me if and how I could upgrade my bios. Thanks :) !

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April 3, 2013 6:37:10 AM

Unfortunately, Pentium D would not work here, only single core, I think the Pentium D needs the 945 chipset which is in the 520/620 systems. The 280 is almost identical to the 520/620 as far as parts go, but it has a 915 chipset. Also, You can only use Intel 5xx series CPUs.
Not all LGA775 CPUs work in GX280. For example, Pentium D and Intel Core 2 Duo are LGA775 but they will refuse to work in the GX280 (might even damage components, don't try those). This is the list of processors, validated by Dell to work in your GX280, note that for CPU 3.4 GHz and above you need a 304 watt Dell power supply:
Prescott P4 Kit, 520, 2.8Ghz, 800FSB, 1MB
Prescott P4 64bit Kit, 521, 2.8Ghz, 800FSB, 1MB
Prescott P4 Kit, 530, 3.0Ghz, 800FSB, 1MB
Prescott P4 64bit Kit, 541, 3.2Ghz, 800FSB, 1MB
Prescott P4 Kit, 540, 3.2Ghz, 800FSB, 1MB
Prescott P4 Kit, 550, 3.4Ghz, 800FSB, 1MB
Prescott P4 Kit, 550, 3.4Ghz, 800FSB, 1MB
Prescott P4 Kit, 560, 3.6Ghz, 800FSB, 1MB
Prescott P4 Kit, 570, 3.8Ghz, 800FSB, 1MB
Those are the only options according to official Dell look here for proof http://en.community.dell.com/support-forums/desktop/f/3... look for Chris post.
So as someone noted above, there is nothing serious you can do here, but to get newer PC or build your own.
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April 3, 2013 7:22:00 AM

You easiest upgrade might be to find another board and cpu combo from a system that used the same tower design. Otherwise, you are dead in the water.
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April 5, 2013 10:14:51 AM

Those series Dell cases where proprietary. If memory serves the PCI bus was detached from the motherboard.

You will need an new case, board … everything.

Kisianik is correct, I shot from the hip, but qualified it saying I didn't thing it was supported. Its not.
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