3/4 Pin Fans and Connectors

Question

Hello,

I finished building my first PC, except for the fans. I had no issues with everything else, but here I don't understand and I'm afraid of burning something.

I have 3 fans in the case (2 in the front that are RGB, one in the back). The front ones each have 2 cables, and the one in the back has one cable.
- The front cables have 3 and 4 "pins" (I imagine one is for the LED, the other for the fan itself).

- The back cable has 3 pins
I've studied everything. The motherboard manual, watched tutorials on youtube, I've spent the whole day on it, but nothing works, I don't understand. I don't have a "set" of male pins with 3 or 4 pins to insert these female pins.

According to the manual, there are 3 places to connect a 4-pin fan header. I tried, but it goes in quite poorly and I'm afraid of breaking it.
And then I have no idea where to plug in for the LEDs. On the "JF1" connector, I have LED slots apparently, but (1) they are positive/negative and I don't have that information on the cable (2) the connector wouldn't fit without breaking, I think.

So that's where I am, and despite my research and attempts I'm lost, and I'm afraid of breaking or burning something on top of that.

Anyone to enlighten me a bit?

Info:
SilverStone Precision PS 15 RGB case with its 3 fans
motherboard: Supermicro X10SLV

jumulka · Accepted Answer

Hello,
send us photos of your fan connections, I think the 3-pin connectors are for the fan and the 4-pin connectors are for the RGB. You need to connect the 3-pin connectors to the 4-pin fan headers (one pin won't be used, there is a notch to prevent misconnection)

you can connect the CPU cooler + 2 fans, for the 3rd one you need either a splitter or a Molex or SATA to fan adapter

I don't think your motherboard supports RGB.

JeuneL · Answer

hello

I have 3 connectors for 4-pin fans

There is a nice notch on these connectors, so yes it’s a bit hard to insert...

The 4 pins also support, without any problem, connectors from "3-pin" fans.

PANAMERICANO · Answer

Hello
I can see the one for the CPU at the very top, so that’s good, it’s covered
While reading the manual, I see the two white ones on the right with 4 pins (and still, do you have to push so hard for that to fit?) but I can’t find the last one for the last fan.

Or can’t I have 3 case fans and one CPU fan on this motherboard:

3x 4-pin fan headers (up to 3 fans), 3 fans with tachometer monitoring, Fan speed control, Low noise fan speed control, Overheat LED indication, Pulse Width Modulated (PWM) fan connectors, PWM fan speed control, Status monitoring for on/off control, Status monitoring for speed control, Support 3-pin fans (w/o speed control), System level control, Thermal control tachometer fan connectors

If that’s the case, I’ll know how to connect the 2 fans tomorrow, so I’ll have 2 case fans instead of 3. For the LEDs, do I plug all that into the FJ1 or the JTPM1?

nemeparlespas · Answer

Hi, to set up RGB stuff you need an RGB motherboard, otherwise you can go around in circles for a long time, it won't work. On an RGB motherboard, you have specific slots for it, and an important and essential thing in the BIOS is specific management for RGB as well.

PANAMERICANO · Answer

Here is one of the front fans: https://imgur.com/a/RyhTXjQ

Okay, the other two fans connected to the 4-pin connectors, that's good. It needed a bit of force, but it fits

I also got a MOLEX-Fan adapter (https://www.amazon.fr/cable-disque-dur-interne/s?k=cable+disque+dur+interne%29.

I already have a power connector on the molex connector of the motherboard, that's not a problem I imagine since it seems designed to overlap: https://imgur.com/a/WqQ8zAr

3/4 Pin Fans and Connectors

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