![This old CPU cooler is loud because it only had 2 wires and no PWM so I soldered a voltage step down converter inline to make it quieter. : r/techsupportmacgyver This old CPU cooler is loud because it only had 2 wires and no PWM so I soldered a voltage step down converter inline to make it quieter. : r/techsupportmacgyver](https://external-preview.redd.it/psQoKmaIMcR-ZEUh1_hAT6W3DmTOXaP9AV6p2eib2KY.jpg?auto=webp&s=a96faaf19a8fab271105a6a6fb7e6cf4c51d5f22)
This old CPU cooler is loud because it only had 2 wires and no PWM so I soldered a voltage step down converter inline to make it quieter. : r/techsupportmacgyver
![Side View Of A Very Dusty Computer CPU Fan On An Old Motherboard. Stock Photo, Picture and Royalty Free Image. Image 11792404. Side View Of A Very Dusty Computer CPU Fan On An Old Motherboard. Stock Photo, Picture and Royalty Free Image. Image 11792404.](https://previews.123rf.com/images/bwf211/bwf2111112/bwf211111200097/11792404-side-view-of-a-very-dusty-computer-cpu-fan-on-an-old-motherboard.jpg)
Side View Of A Very Dusty Computer CPU Fan On An Old Motherboard. Stock Photo, Picture and Royalty Free Image. Image 11792404.
![Removing Cpu Cooling Fan in Old Computer Stock Photo - Image of sink, electronics: 262853600 | Old computers, Cooling fan, Olds Removing Cpu Cooling Fan in Old Computer Stock Photo - Image of sink, electronics: 262853600 | Old computers, Cooling fan, Olds](https://i.pinimg.com/736x/20/53/27/205327508da129e1aafb4d517eedb9c2.jpg)
Removing Cpu Cooling Fan in Old Computer Stock Photo - Image of sink, electronics: 262853600 | Old computers, Cooling fan, Olds
![old aluminium pc processor cooler with PWM control 4-wire isolated on white 12670482 Stock Photo at Vecteezy old aluminium pc processor cooler with PWM control 4-wire isolated on white 12670482 Stock Photo at Vecteezy](https://static.vecteezy.com/system/resources/previews/012/670/482/large_2x/old-aluminium-pc-processor-cooler-with-pwm-control-4-wire-isolated-on-white-photo.jpg)
old aluminium pc processor cooler with PWM control 4-wire isolated on white 12670482 Stock Photo at Vecteezy
![Universal- CPU Air Cooler with 3 DC Heat Pipes and 90mm PWM fan/ TDP 140W - CPU Cooler | Made in Taiwan Custom RV Fans and PC Cooling Fans Manufacturer | TITAN Technology Limited Universal- CPU Air Cooler with 3 DC Heat Pipes and 90mm PWM fan/ TDP 140W - CPU Cooler | Made in Taiwan Custom RV Fans and PC Cooling Fans Manufacturer | TITAN Technology Limited](https://cdn.ready-market.com.tw/2a07ce3d/Templates/pic/m/TTC-NK35TZ-Series.jpg?v=06dd8c1e)
Universal- CPU Air Cooler with 3 DC Heat Pipes and 90mm PWM fan/ TDP 140W - CPU Cooler | Made in Taiwan Custom RV Fans and PC Cooling Fans Manufacturer | TITAN Technology Limited
![Zunate CPU Cooler Fan, 3-PIN 1300RPM 6 Pure Copper Heat Pipes Mute Heatsink RGB Colorful Cooling Fan, for Universal Desktop Computer: Amazon.co.uk: Computers & Accessories Zunate CPU Cooler Fan, 3-PIN 1300RPM 6 Pure Copper Heat Pipes Mute Heatsink RGB Colorful Cooling Fan, for Universal Desktop Computer: Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71lk4bSl+rL._AC_UF1000,1000_QL80_.jpg)
Zunate CPU Cooler Fan, 3-PIN 1300RPM 6 Pure Copper Heat Pipes Mute Heatsink RGB Colorful Cooling Fan, for Universal Desktop Computer: Amazon.co.uk: Computers & Accessories
![Cpu Cooler With Heat Sink On Old Wooden Background Stock Photo, Picture and Royalty Free Image. Image 78540716. Cpu Cooler With Heat Sink On Old Wooden Background Stock Photo, Picture and Royalty Free Image. Image 78540716.](https://previews.123rf.com/images/gavran333/gavran3331705/gavran333170500058/78540716-cpu-cooler-with-heat-sink-on-old-wooden-background.jpg)