Dell Dimension E521 CPU Upgrade

Hello, I have a Dell Dimension E521, and I need a new CPU so that it will be able to run newer games such as Diablo 3. I want to know the fastest CPU that is currently buyable, whether from eBay or elsewhere. Most of the ones I have seen are discontinued now, and can't be found on eBay either.
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  1. It would be better if you invest in a completely new system.
  2. amuffin said:
    It would be better if you invest in a completely new system.

    Probably, but I would like to consider all options of upgrading before I decide on buying a new computer.

    I am currently using an AMD Athlon(tm) 64 X2 Dual core Processor 3600+.
    I need something that as good as an Intel Pentium D 2.8 GHz or AMD AthlonTM 64 X2 4400+ or better.
  3. dirtyferret said:
    ive able to run the athlon x2 6000 in the E521 just update the BIOS off the dell site

    Thanks, I'll definitely consider that one. :) I'm looking for one a little lower though if possible, but I have no idea how to tell if a CPU is compatible with my motherboard. Would a 5600, 5400, or 5200 Athlon x2 work too?
  4. dirtyferret said:
    any of those will work

    Alright, thank you for all of your help. I feel that I have enough information now to pick one out safely.

    Just one more question:

    Do I have to update my BIOS regardless of the one that I pick, or do I only have to update BIOS if I get a higher one, such as the 6000?
  5. Best answer selected by taylerzy.
  6. dirtyferret said:
    i would do it regardless, its pretty simple and you can do the update from your desktop as opposed to most BIOS updates.

    Okay, thank you very much for all of your help. :D
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