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They are both LGA775 sockets and use the same power, so there should not be any issues with upgrading to that CPU.
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They are both LGA775 sockets and use the same power, so there should not be any issues with upgrading to that CPU.

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What is the model number of your motherboard?
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What is the model number of your motherboard?

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nitro316, isn't that the link I just posted? 
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nitro316, isn't that the link I just posted?

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Has anyone successfully upgraded a Dell Optiplex 745 tower from a Core 2 6600@2.4Ghx to a quad core CPU, Q6850@3.0Ghz? &nbsp;The Dell accessories/upgrade site doesn't even offer CPU upgrades much less one from 2 cores to 4 cores.
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Has anyone successfully upgraded a Dell Optiplex 745 tower from a Core 2 6600@2.4Ghx to a quad core CPU, Q6850@3.0Ghz?  The Dell accessories/upgrade site doesn't even offer CPU upgrades much less one from 2 cores to 4 cores.

Upgrade Dell optiplex 745 cpu to Q6850

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Components

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Hardware

A personal computer is a general-purpose computer whose size, capabilities and price make it useful for individuals, and is intended to be operated directly by an end-user with no intervening computer time-sharing models that allowed systems to be used by many people, usually at the same time. Personal computers may be connected to a local area network (LAN), either by a cable or a wireless connection, and through that to the Internet. A personal computer may be a laptop computer or a desktop computer running an operating system such as Windows, Linux or Macintosh OS.