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To provide power to large internal Devices such as hard drive or CD/DVD drives and sometimes case fans or other devices.

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Powers IDE drives.

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11y ago
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12y ago

To provide power to large internal drives like hard drives and CD/DVD drives

A+ Answer: "powers IDE Drives"

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Q: What is the purpose of the 4 pin Molex connector?
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Related questions

What type of power connector is used for x16 video card?

molex 4-pin


Which additional 4 pin or 6 pin power connector is required by some motherboard?

stop cheating!


What type of power connector does the heat sink or fan assembly usually have?

Typically a 2, or 3 pin 'fan' connector, or a 4-pin 'molex' connector. The 2-pin (positive/negative) and 3-pin (positive/negative/RPM) are most common, but older or cheaper fans, especially those not used on the CPU heatsink, may use a 4-pin 'Molex' connector. Other connectors may be used, including proprietary connectors, in the case of some motherboards, CPUs, and cases. This is common in videocards, which may need 2/3 pin, 4-pin molex, 4-pin PCI-E, 6-pin PCI-E, or 8-pin PCI-E connectors, or a combination thereof!


What is a mini molex?

Molex Connectors are used in Power Supplies for powering up the devices. There are different types of Molex Connectors on Power Supply for. eg. 20 or 24 Pin Power Connector\ 4 Pin IDE device \ Sata Device Connector.Mini Molex refers to connector powering Floppy Disk Drives or AGP Cards on Computer System.


Which type of power connector is used to connect devices such as optical drives and hard drives?

There are two kinds in common use:Molex - an older standard, but still commonSATA - Serial ATA, a newer standardSee the related links for pictures.


What is the purpose of the 4-pin auxiliary connector on the motherboard?

provide more power for the CPU


What is a molex cable?

A Molex power connector is a 4-pin power connector found in most computer power supplies. It is used to provide power to large internal drives like hard drives and CD/DVD drives. They are slowly being replaced by SATA power connectors, which are easier to install can cannot be inserted incorrectly. They should not be confused with a Berg connector which is much smaller and is used to power floppy drives. The molex connector is used for IDE drives


How much voltages does a 4 pin molex from a psu in a computer connector have?

Keep in mind I'm not a computer repair guy or at least not officially. The four pin molex connector from a power supply unit that you use to plug into hard drives, and other drives has a 5 volt wire and a 12 volt wire. The two black ones are ground or negative. The red wire is 5 volts DC, the yellow is 12 volts DC.


How is an internal optical drive connected to the power supply?

the optical drive will connect to the power supply with a connector called molex connecter it is a 4 prong connector


How many pins does a Molexpower connector have?

4 pins


What is the purpose of a 4-pin molex connector?

To provide PC devices either 12 V AC or 5 V AC, or even ( 12 - 5 = ) 7 V AC. I don't really know whether any PC device uses 7 V AC...


Why need 20 4 pin power connector?

24 pin connector is required to supply power to the motherboard.