Nexus NX3500 120mm PSU

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MORE PHYSICAL DETAILS

The inside panel has hardly any vents at all. This ensures that the airflow is vented out the back to the outside of the case. The fan is hardwired to a controller circuit on a small green PCB that is screwed to the smaller of 2 heatsinks.

The heatsinks themselves are similar to those in most other 120mm fans, and they are short enough to keep from interfering with the big fan and looking a bit undersized as a result.

Here is the center of the fan itself. It is a Yate Loon Electronics D12SM-12, rated at 0.3A at 12V. That sounds like the potential to move a lot of air. The Yate Loon Electronics web site confirms that this fan is rated for 1650 RPM and 56 CFM at a noise level of 39 dBA (presumably at 1 meter). However, this would be with the fan in free air, without any impedance to airflow (and therefore no additional turbulence noise).

Connectors

There are a total of 6 wire sets, including a SATA drive connector:

  • 32" long cable with two 4-pin IDE drive connectors and one floppy drive power connector
  • 24" long cable with one 4-pin IDE drive connector and one floppy drive power connector
  • 24" long cable with two 4-pin IDE drive connectors
  • 21" long cable for main 20-pin ATX connector
  • 21" long cable for dual 12V (P4) connector
  • 21" long cable for 3.3V connector
  • 17" long cable with SATA drive connector


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