Hi

I want to replace my 70mm heatsink fan AMD Athlon64 X4 witha quiet fan can can anybody recommend a fan

I know there is two options

70mm pwm fan

or quiet fan something like nexus quiet fan plus fan controller if needed.

any suggestions welcome thanks

Dani AI

Generated

A concise, practical checklist that fills gaps in earlier replies from , , and . Focus is on isolating the true source, safe diagnostics, short-term fixes that preserve the cooler/CPU, and selection criteria if replacement is needed.

First, confirm the noise source before any hardware change. With the case open and the system powered, use a short paper or cardboard tube held to the ear (or a phone recorder) to localize sound to the heatsink, a case fan, or the PSU/mobo coils. Power down and disconnect suspect fans one at a time (only when powered off) to see if the noise disappears — never run the CPU for meaningful time without its fan attached.

Quick mechanical checks (low risk):

  • Blow compressed air through the fins and fan ring; inspect for bent blades or debris.
  • Check wiring and cable routing so no wires touch the fan blades.
  • Tighten loose mounting screws and add soft grommets or thin foam washers to reduce vibration transfer.
  • If the heatsink was removed, clean and reapply thermal compound (isopropyl alcohol to clean, then a pea-sized application) before reseating.

When replacement becomes necessary, pick by function not brand: match the physical fit and connector type; compare airflow (CFM) and noise (dBA) specs; prefer long-life bearings (fluid-dynamic or magnetic types) and higher static pressure for dense fin stacks. Use a gentle fan curve (via motherboard firmware or a controller) to balance temperature and audible noise. For small/high-RPM fans, anti-vibration mounts and lower driven voltage often give the biggest audible wins.

Troubleshooting flow: isolate source → clean and secure → swap with a known-good fan → measure temps after any change. Safety note: avoid touching spinning blades and avoid improvised lubrication that could void warranties or contaminate the motor.

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My fan is also noisy especially when booting it up. any can help us with this?

replacement is better otherwise pcb will get damage

Peel back the sticker and add a drop of ATF. Will quiet many a noisy fan.

Now You need to replace quickly the Noisy Heat sink Fan of your system. If you will not replace your noisy heat sink fan then your processor will be affected very much badly.

For anyone info I did not need to replace heatsink fan.I adjusted power management to minimal power management setting in xp which gave me the option in the bios to enable cool and quiet reduce fan speed.Problem solved even though i did order a pwm fan(very cheap) when the existing fan was a pwm 4 pin oops!!!!

go for noctua fan which is best for its cooling performance and no noise will be genrated while fan at full speed

I remplaced my heatsing with a corsair h60 water cooler, only $54 and an easy install.

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