Mystery connectors What are they?

6lidavid · Mar 21, 2015

Does anyone know what these connectors are? These are among the headers and such in my case and I don't know what they are for. Are they for jumpers?

http://postimg.org/image/g3rudlc09
http://postimg.org/image/osfig2a1r/

Mattib 050 · Mar 21, 2015

The first one looks like a 3 pin fan splitter, or extension. Something like that anyway, it's for a fan.
The second one is a molex connector, no idea what for.

giantbucket · Mar 21, 2015

probably a front panel thing on your case, the part that has the power switch / usb / firewire / audio jacks / etc. might have some fans as well. what chassis is this from?

royalcrown · Mar 21, 2015

mittib is right. Probably for a built in fan speed controller.

6lidavid · Mar 21, 2015

royalcrown :

Yeah it is the nzxt phantom 410. Looks like it's from a fan controller, but Im not sure where the connectors go. It doesn't seem to fit in the fan chassis headers on my asrock extreme 4 mobo

giantbucket · Mar 21, 2015

it's not supposed to. you connect the fans to that header - it "replaces" the mobo headers

JGunnzz · Mar 21, 2015

First one is a fan extension or connector and the second one is a molex that looks like its missing a pin. Both could be for a fan controller.

6lidavid · Mar 21, 2015

giantbucket :

you mean the connectors in the photos are what you connect the fans to? There don't seem to be any connectors from the fans themselves to connect to anything.

giantbucket · Mar 21, 2015

6lidavid :

power supply connects to that 2nd pic connector, power goes to front panel which has power button and fan controller knobs or whatnot, that sends power out to that fan connector from your 1st pic, and fans connect there and get power that way.

basically, instead of your mobo giving power to the fans, the controller from your chassis does that.

benefit - you get to control the fans
downside - your bios or hardware monitor can't see fans or report on them, it assumes there are no fans

6lidavid · Mar 21, 2015

giantbucket :

6lidavid :

power supply connects to that 2nd pic connector, power goes to front panel which has power button and fan controller knobs or whatnot, that sends power out to that fan connector from your 1st pic, and fans connect there and get power that way.

basically, instead of your mobo giving power to the fans, the controller from your chassis does that.

benefit - you get to control the fans
downside - your bios or hardware monitor can't see fans or report on them, it assumes there are no fans

do i connect a molex from the psu to the fan controller via the second pic?
thanks for all your help

giantbucket · Mar 21, 2015

yup. if you don't, the controller (and whatever else is there) won't have power so it won't do anything - not even look pretty. your psu likely has a few unused power connectors of that type (molex).

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Mystery connectors What are they?

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