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enter image description here

I tried connecting the one on the left with the 4 pin fan connectors on my computer PSU, but they are not compatible.

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  • \$\begingroup\$ Is that by any chance attached to an LED strip? \$\endgroup\$ – pjc50 Jan 15 '13 at 15:07
  • \$\begingroup\$ @pjc50 That would be my guess too - the wire colors are the R/G/B and ground, for typical RGB LED strips I have seen. \$\endgroup\$ – Anindo Ghosh Jan 15 '13 at 15:36
  • \$\begingroup\$ Your fan has +. gnd, pwm and rpm(sense). Are you sure it looks exactly like that, because that is not one of the common fan connectors. \$\endgroup\$ – Gunnish Jan 15 '13 at 18:37
  • \$\begingroup\$ It is indeed a RGB LED strip. I only tested to see if it was the same connector. \$\endgroup\$ – user922764 Jan 15 '13 at 19:20
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The flat prongs make it look exactly like a JST (Japan Solderless Terminal Mfg. Co.) SM connector (Datasheet)

See: http://www.adafruit.com/products/578

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  • \$\begingroup\$ I googled "JST SM" to see the connector from a different angle and sure enough, it is the same connector! Thank you very much. \$\endgroup\$ – user922764 Jan 15 '13 at 19:23

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