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Dell Optiplex 755 E7300 Core 2 upgrade to Q9300

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December 13, 2010 1:22:39 PM

My work computer is under powered for the type of work I am doing. I do CAD and have very CPU intensive programs open like Solidworks and AutoCad. The current PC I use is a Dell Optiplex 755 (MIDTOWER) with 4GB memory and E7300 2.66 Core 2 Duo CPU. I got the okay to upgrade the CPU as long as it is low in cost. I found a Quad Core Q9300 2.5 Ghz for just over $100.00. If I do a BIOS update before hand will the be a working upgrade? I don't want to purchase the CPU and it not be compatible. Should I buy new thermal paste if the upgrade will work? Please any info would help. I did google this before coming here. However, I give high value to the posters here.

Thanks, Matt
a c 159 à CPUs
December 13, 2010 4:14:06 PM

All you can do is try it. Hp gives you some cpu options, but dell won't. They would rather have you buy a new system. If the 755 is still available, start an order and see what cpu options are listed.
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December 13, 2010 4:32:19 PM

From this resource, it appears you should be good with the Q6600, Q9450, and Q9550, and Q9650. The Q9300 should be fine also.. I would be concerned about the small power supply if upgrading the CPU and other components. 280W - 300W is what they reference...

http://www.tmk.com/blog/?p=47

Q6600 => $84 shipped on Newegg.
http://www.newegg.com/Product/Prod [...] -_-Product
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