4 pin fan connector pinout

Thank you for supporting the work I put into this site! A graphics card is a major component of a PC and it generally consumes more power compared to other components. Budget level or some entry-level mid-range graphics cards draw their power from the PCI Express x16 slot only but the higher-mid range and high-end graphics cards require external power from the PSU for their working.

The external power for these powerful graphics cards comes from the 6-pin and 8-pin PCI-Express power connectors from the power supply.

PCI Express x16 connector connects your graphics to the motherboard and is the only interface through which communication happens. A PCI Express x16 slot can provide a maximum of 75 Watts to the graphics card which is enough for entry-level, low profile and budget graphics cards.

Even some mid-range graphics cards can also work on the power from the PCI Express x16 slot alone but higher mid-range graphics cards and high-end graphics card requires external power from the PSU through 6-pin and 8-pin power connectors. Below you can see the PCI-Express x16 connector of the graphics card.

A 6-pin power connector can supply 75 Watt to the graphics card. So if your graphics card power consumption is more than 75W then it will have one 6-pin PCI-E power connector for its working.

A graphics card with one 6-pin power connector can have maximum power consumption of Watt as it will get 75W from the PCI Express x16 slot and 75W from the 6-pin connector. Most of the mid-range graphics cards from both Nvidia and AMD come with the 6-pin power connector. The 8-pin power connector can deliver a maximum of W to your graphics card. So if your graphics card power consumption is more than W then it will definitely come with an 8-pin connector or two 6-pin connectors.

A graphics card with one 8-pin power connector can get a maximum of W of power, 75W from PCI Express x16 slot and W from the 8-pin connector from the power supply. The latest High-end graphics cards come with the 8-pin power connector and some of the power-hungry top-end graphics cards can have both 6-pin and 8-pin connectors or two 8-pin connectors.

This card has a maximum power consumption of Watt. If your power supply does not have 6-pin or 8-pin connectors then you may try these 6-pin and 8-pin converters or power adapter cables to power your graphics card. Some converters require two 4-pin Molex converter and some require one. You can check out the whole range from the link given below.

If you are short on Molex connectors then you can use this converter cable or adapter.These are Ford OEM aftermarket replacement connectors and sockets such as head lights, oxygen sensors, throttle body sensors, tail lights, and more.

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Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. It only takes a minute to sign up. I currently have a fan with a 4-pin connector that I want to power, but I do not have a power supply with a 4 or 8-pin connection.

Is it possible to disconnect this connector piece and connect the individual wires directly? This worked. Most fans with a separate PWM-speed-control lead are designed to run at full speed if that lead is left floating.

4 pin fan connector pinout

This is a safety measure so that, if the wire comes loose, the system won't overheat due to the fan stopping. In general, all fans designed for use in PCs use the same wiring.

BTW, the link provided in the comment by M. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Connect a 4-pin connector to power supply Ask Question. Asked 5 years, 8 months ago. Active 11 months ago.

4 pin fan connector pinout

Viewed 21k times. Funkyguy 3, 1 1 gold badge 15 15 silver badges 42 42 bronze badges. But without knowing what those 4 wires do, you're taking a risk. Did the manufacturer choose red and black as power and ground? But maybe not.

And what do the other yellow and blue wires do? Aug 1 '14 at Industry standard, no. Doing a google search for "4 wire fan" came up with this link: pavouk. If that's what you have, you'll still need to produce a PWM signal to make the fan turn. Do I really need the PWM signal? I'm tempted to just try powering it up with the power and groundThe case fan has a 3-hole connector and all system fan connectors on the MB are 4-pin.

So that's what those funky, 3-pin cables on the other side of the motherboard mounting panel are for. May eventually replace that fan with one that has 4-pins so I can take advantage of temperature-controlled speed. This is actually quite common. The mainboard will usually auto-sense which type is connected and adapt accordingly. So which MB pins match to which fan holes? Botany Dave wrote: spiralscratch wrote: This is actually quite common. The ones that fit are the ones that match.

The connectors are notched such that a 4 pin header will take a 3 pin connector in the correct orientation and only in the correct orientation. Gigabyte generally doesn't support 3-pin fan control on 4-pin headers, you'll need to buy a motherboard from another manufacturer for that feature. Why yes, it does. With that bit of confusion cleared up, I now have the case sealed But I will add another HD tomorrow. Pretty happy with this build. Air-cooled k clocked to 4. Don't see any need to push it from it there.

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Thanks for the help, everyone. Very much appreciated. How to connect 3-pin case fan connector??

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Botany Dave. Ars Praefectus et Subscriptor. Ars Scholae Palatinae et Subscriptor. Botany Dave wrote:. Ars Tribunus Militum et Subscriptor. Posted: Sat Jan 14, pm. Posted: Sun Jan 15, pm. Posted: Mon Jan 16, am.Menu Menu. Search Everywhere Threads This forum This thread. Search titles only. Search Advanced search…. Everywhere Threads This forum This thread. Search Advanced…. Log in. Category 1 Category 2 Category 3 Category 4.

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Fan speed control how-to, 2-pin vs. Thread starter dwafford Start date Mar 3, Sidebar Sidebar. Forums Hardware Components. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.

Previous Next Sort by votes. Mar 3, 2 0 4, 0. Could someone please provide a brief tutorial on speed control means and methods for 2-pin vs. Paperdoc Glorious. Oct 19, 8, 48, 1, All fans in a computer are designed for max 12 VDC supply. A 2-pin fan generally has on the end of its wires a male 4-pin Molex connector, but only 2 pins are used. That mates with a power supply connector directly from the PSU.

Done that way, it always runs at full speed. Instead, if it is plugged into a third-party fan controller, that unit will supply a voltage that may be reduced for slower fan speed by changing the manual setting on the controller - usually, a knob that turns.

GPU Mini Fan Header Pinout?

It also might be possible to get an adapter to allow you to connect such a fan to a mobo 3-pin fan port, thus allowing the mobo to control the fan's speed but see comment later on speed monitoring. A 3-pin fan is generally connected to a mobo fan port and its speed is changed by changing the supply voltage on Pin 2 of the mobo port.In stock. Prices incl. MOLEX typically only manufactures a darker blue shade and call it black, but our custom productions are always as black as technically possible.

This is manufacturing precision at its best, which you also recognize in every aspect when you work with these 4-pin FAN connectors.

Compared to all the no-name ones from China, this is just a different league. They always fit perfectly and go smoothly into the mating connectors. The special short-version guidance "wings" on these FAN connectors will not get in conflict with any heatshrink which is applied over the connector.

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If you want to own the highest quality in the world of connectors, this is it. You can use these 4-pin FAN connectors with existing crimp terminals already found on your wire, or you combine them with our original FAN crimp terminals. Cookie preferences. This website uses cookies, which are necessary for the technical operation of the website and are always set. Other cookies, which increase the comfort when using this website, are used for direct advertising or to facilitate interaction with other websites and social networks, are only set with your consent.

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4 pin fan connector pinout

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Power Connectors

Content: 1 pcs. Close menu. It is very easy to remove wires from FAN connectors: You will only need a small screwdriver, scissor, knife or similar small device with a thin tip.

Press down the small "flap" on the top of the crimp terminal, which you access through the slots on the wide side of the connector, as shown on the second photo. While the "flap" is pressed down, you pull out the wire.

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Thread starter Zarathustra[H] Start date Nov 4, Zarathustra[H] I Complain about Everything.

4 pin fan connector pinout

Joined Oct 29, Messages 29, UnholyCarcass Weaksauce. Joined Aug 27, Messages I am also curious about this.

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It looks like on GPUs they use the same 4pin headers but i think the fans are smaller. Nah, they are still four pins in a row, but the connector is smaller.

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If the pinout is the same I should be able to just tap into pin 4, and use it to control my case fans using one of these:. Ahh yeah, i just double checked on one of my GPUs and it is 4pin but just smaller. What would the difference be between doing this and changing the fan curve on your GPU? UnholyCarcass said:.


Zarathustra[H]; said:. Well, I'm planning on using the fan curve on the GPU to control a case fan, so that the case fan ramps up at the same time the GPU fan does, and expels the extra heat. Joined Aug 17, Messages 6,


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