[SOLVED] PSU 4 pin peripheral with PC 2 pin (peripheral or molex ?)

[telgou]

Hey, i just bought a new PSU.
I have two cables (molex?) with 2 pins(out of 4) and two "4 pin peripherals" (that seem to have different form and size).
My question is, is it okay to connect these 4 ? i mean the "4 pin peripherals" have two different heads. (the shorter one seems to fit with the PC's)

The ones in the PC:

https://imgur.com/a/qAUtrwV

View: https://imgur.com/a/qAUtrwV


The ones from PSU:

https://imgur.com/a/yN8Glg7

View: https://imgur.com/a/yN8Glg7

 

[helpstar]

the two pin molex usually connect to fans or similar, which device do you wanna connect to the PSU?

 

[telgou]

the two pin molex usually connect to fans or similar, which device do you wanna connect to the PSU?

I honestly don't know lol there are a bunch of cables coming from the top front of the case, it's hard to isolate which ones belong to which device/port. (but i will try to check harder, i have a DVD drive so one of those must be his)
My problem is that the taller PSU one doesn't seem to fit with neither of the PC's (the short does)

 

[telgou]

i have a DVD drive so one of those must be his

Actually scratch that, it's not the DVD drive.
I have 4 usb ports, one eSATA, two audio jacks, two fan speed adjusters and the PC switch..

 

[helpstar]

all molex drives would need a full pin connector and not only yellow or red cables to function. Like HDD or DVD. These connectors would fit but not work.

Connect the yellow one to a 12Volt fan or fan speed adjuster and the red one to a 5Volt fan device.

Which power supply are you using?

A full Molex connector would connect to DVD, HDD devices only.

Also have a look at
https://en.wikipedia.org/wiki/Molex_connector