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Best Heatsink Upgrade?

Hello, i have a Cooler Master N520 CPU Cooler on a Phenom II 965. It gets around 50-55c max at 3.8ghz @ 1.35v, and that wasn't much of an improvement from stock. I can spend around 70$-80$ max, would like to try to get below that. I would like to get a new CPU cooler so i can reach 4ghz or higher. I can reach 4ghz now, but it is already running a little warm. Does anyone have any recommendations? Any suggestions help, Thank you!
PC Specs:
CPU: AMD Phenom II x4 965 @3.8ghz (1.35v)

RAM: Wintec DDR3 4gb @1333 x2

GPU: PowerColor HD 6950@ Core: 880 Memory: 1300

MB: Biostar TA990FXE

PSU: XFX Core Edition 850w

HD: 1TB Seagate

Case: Thermaltake Level 10 GT
8 answers Last reply Best Answer
More about best heatsink upgrade
  1. 55C is still quite cool, you should be fine right now. I would only get worried past 80C.
  2. fb39ca4 said:
    55C is still quite cool, you should be fine right now. I would only get worried past 80C.


    The max safe temp for my CPU is 64c, and i've heard that when PIIs get over 55c they tend to lose stability
  3. Best answer
    Noctua NH-D14

    Google it, probably the best option and it isn't loud at all. Outperforms many closed loop water coolers.
  4. wurkfur said:
    Noctua NH-D14

    Google it, probably the best option and it isn't loud at all. Outperforms many closed loop water coolers.


    Thanks, Is there any cooler close in performance, but a little cheaper? anything below 70$ shipped i can afford right now, I will try to get the Noctua NH-D14 tho. I should be getting a little more money soon tho
  5. Best answer selected by narco.
  6. wurkfur said:
    Noctua NH-D14

    Google it, probably the best option and it isn't loud at all. Outperforms many closed loop water coolers.


    I ordered it today, Thanks!
  7. It dropped my load temp with prime95 from 50-55c to 40-43c!
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