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Zalman ZM50-HP VGA Heatpipe Cooler Review



Test System:

  • AMD Athlon XP 2100+
  • Gigabyte GA-7VRXP Motherboard
  • GeForce2 MX400
  • Memory 512MB DDR(Infineon)
  • Running Windows XP Professional
  • Using nVidia Detonator drivers v41.03
  • We ran 3DMark2001 Second Edition using default settings, with the repeat count set to 2.

    Looking good here... we can say for sure that the heatpipe works alot better than the stock heatsink that was included! There's not much else I can add, but I am very impressed with the results here! What really shocked me is the results that we got after we did some "experimenting."


    Using EnTech's Powerstrip v3.29, we managed to increase the core clock speed to the maximum that the program will allow, and we got the results below. We couldn't increase the memory as high as we wanted, but that's because this product isn't made for memory, it's made for the GPU. The default setting for the GeForce2 MX400 is 175MHz for the core, and 166MHz for the memory.

    Amazing! And I think the card could still go on if we could overclock the core even higher! At the highest achieved clock speed, the temperature of the unit was only 37.5°C! We tried for 233/212, but then the rendering started to become distorted at times, so the memory got pushed a little too hard. Still, however, this unit is awesome for those who want to really squeeze the juice out of their GeForce4 MX or ATi 7500 cards!


    Zalman has manufactured a very fine product for the video card overclockers out there. Not only do you get the added benefit of a heatpipe, but the solution is also a fanless one, so even more points for the added silence. My only real gripe about it is that the size of the heatsinks prevent it from being used in my system, but that is also the fault of the motherboard manufacturer, for tossing those huge capacitors so close to the AGP slot. When the "budget solutions" of the newer video cards come out, you can transfer this product over to the new card, if the card uses the pins that hold the stock cooler in place. Overall, this is a very good product, and I recommend this product to anyone who has an older card that you want to literally squeeze the core clock out of.


  • Noiseless
  • Cools extremely well
  • Transferable to newer cards with heatsink mounting holes
  • Cons

  • Does not fit in all motherboards
  • Installation sometimes a little quirky

    1. Introduction & Installation
    2. Testing & Conclusion
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