Normal Fan Replace for Dell Workstation (problem with wires)

TwinDenis · Jun 24, 2016

Hi, so I ordered a noctua NH-D9DX i4 3U Cooler for my Dell Precision t3600 workstation because my stock temperatures were 60-80c for my xeon e5-1620 with default settings and bios settings, From what I was told the power cable for the cooler is proprietary so I would need to find a converter, sadly I did not find any converter within shipping reach so I cannot do this alone with a converter adapter, any suggestions?

(PWM 4 pin to dell 5 pin adapter)

Eximo · Jun 24, 2016

Apparently this is common enough to be a top search result:

http://pinoutsguide.com/Motherboard/dell_5pin_4pin_pinout.shtml

Three choices. You can cut the cable off the old fan and splice it into your new fan. Or attempt to pull the pins from both connectors and insert the pins from the new fan into the old connector. Or just use the raw pins/sockets and stick them on the appropriate one.

Pin removal is quite easy, just look at the exposed metal on the side of the connector, this are little flaps that need to be depressed in order to remove the pin. They may just snap into the old connector easily.

TwinDenis · Jun 24, 2016

Eximo :

Dear Eximo, thanks for the reply and the suggestions,
could you provide some reference pictures where you may point out where and which part you are refering to because there are plenty to see like with similar features and it may confuse me and I dont want to do damage on my motherboard or anything so, yeah I hope it is safe too.

ps: Also is this picture accurate? http://i49.tinypic.com/30j5n29.png

Thanks

Eximo · Jun 27, 2016

This is one of those cases where if you don't have enough information already, you probably need someone to help you in person. There may be video tutorials out there for dealing with various pin removal and re-wiring techniques, but I don't have any saved to link to you.

You have two devices, both with technically 4-pins. You just need to match the wires to the appropriate one and it should work. How you accomplish that are laid out in the options I provided.

Personally I would either re-rewire the proprietary connector, use spare parts to build an adapter, or use the bare pins from the new fan and stick them onto the motherboard one at a time, after wrapping them in some electrical tape.

TwinDenis · Jun 27, 2016

Eximo :

I would go with the safest options possible except converters because they are completely non-existent right now.
I know I should just rewire them from one plastic to the other, but the question is how. If someone could educate on how to do so with a demonstration of their own wires, ti would be helpful.

Eximo · Jun 30, 2016

We are talking low voltage, safe enough to handle when running, so there isn't much of a safety concern.

Your standard fan connector has 'sockets' the motherboard has the pins in what is known as a header. The sockets, or female pins, are crimped onto the wires using a crimping tool. The body of the socket has a tab that sticks up, you can see this on the side opposite the plastic key that orients the connector in the header. To remove a pin you simply depress this exposed metal with a small screw driver or other small tool. While holding it down, pull on the wire and the wire plus crimped socket will come out. Shown here:

Slightly bigger connector, but the principal is the same: https://printrbot.zendesk.com/hc/en-us/article_attachments/203354886/iMPoVsQAlpdNbscn__1_.jpeg

Pin-out for the two most common types of fans, in both configurations.

http://cdn.overclock.net/c/c7/350x700px-LL-c7824258_3pinand4pindiagrams.jpeg

Not sure on the OEM connector you have, but unless they sealed it you should be able to remove the pins. The pins from the new fan may not fit in the old connector. Backup plan would be to wrap in each pin in a single layer of electrical tape, plug in each one, then wrap all of them together for additional support.

Use the keying on the connectors to orient yourself, and if you are concerned, label each wire before taking it apart.

TwinDenis · Jun 30, 2016

Eximo :

We are talking low voltage, safe enough to handle when running, so there isn't much of a safety concern.

Your standard fan connector has 'sockets' the motherboard has the pins in what is known as a header. The sockets, or female pins, are crimped onto the wires using a crimping tool. The body of the socket has a tab that sticks up, you can see this on the side opposite the plastic key that orients the connector in the header. To remove a pin you simply depress this exposed metal with a small screw driver or other small tool. While holding it down, pull on the wire and the wire plus crimped socket will come out. Shown here:

Slightly bigger connector, but the principal is the same: https://printrbot.zendesk.com/hc/en-us/article_attachments/203354886/iMPoVsQAlpdNbscn__1_.jpeg

Pin-out for the two most common types of fans, in both configurations.

http://cdn.overclock.net/c/c7/350x700px-LL-c7824258_3pinand4pindiagrams.jpeg

Not sure on the OEM connector you have, but unless they sealed it you should be able to remove the pins. The pins from the new fan may not fit in the old connector. Backup plan would be to wrap in each pin in a single layer of electrical tape, plug in each one, then wrap all of them together for additional support.

Use the keying on the connectors to orient yourself, and if you are concerned, label each wire before taking it apart.

so in other words, all I have to do is pull them out without actually having to rip off/out anything and then plug them in in the right order according to the blueprint, interesting.

avenida · Oct 15, 2016

TwinDenis :

Hi TwinDenis,

I've Dell T3600 and I'm wondering if you have successfully upgraded the Dell heatsink fan with the Noctua. I don't like the CPU idle temperature which is close to 50C. Thanks.

Gigi_2 · Jan 12, 2017

TwinDenis :

Sorry, late answer, I just found this thread as I was having a similar issue.
My setup looks as follows:
T3600, e5 1650.32G ECC
I chose Shuriken Rev 2 B.
Adapter 5 to 4 pin PWM
Generic 5-Pin 4-Fan Adapter Kabel für Dell Computer Dedicated Fan, unterstützt Thermostat Gouverneur
von Generic (picture attached)
Zalman PWM Mate (I got through ebay as it is replaced by the Fan Mate, as far as I know, which supports only 3 pin PWM.
Setup attached (open case, as the GTX 1070 does not fit

Works really nice, even though assembly was not too easy, as the screw tower of the 2011 is in the case, not under the motherboard :-(

In the next step I will replace the fan by a be quiet (thicker one).
(would send some pictures, but not sure, how to embedd them here.

avenida · Jan 12, 2017

Gigi_2 :

TwinDenis :

Sorry, late answer, I just found this thread as I was having a similar issue.
My setup looks as follows:
T3600, e5 1650.32G ECC
I chose Shuriken Rev 2 B.
Adapter 5 to 4 pin PWM
Generic 5-Pin 4-Fan Adapter Kabel für Dell Computer Dedicated Fan, unterstützt Thermostat Gouverneur
von Generic (picture attached)
Zalman PWM Mate (I got through ebay as it is replaced by the Fan Mate, as far as I know, which supports only 3 pin PWM.
Setup attached (open case, as the GTX 1070 does not fit

Works really nice, even though assembly was not too easy, as the screw tower of the 2011 is in the case, not under the motherboard :-(

In the next step I will replace the fan by a be quiet (thicker one).
(would send some pictures, but not sure, how to embedd them here.

I would think the noctua NH-D9DX i4 3U may be silent and better cooling but I'm awaiting to see if TwinDenis can confirm that it works well in Dell T3600 without using the external Zalman PWM mate. Yes, pictures would be great as always.

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