They're part of a kit for USB to SATA/IDE drive. Which comes with a plug that can be mated to a Molex or SATA power connector through an adapter.Ĭheck your local computer store- they're not expensive. These cables can increase your data storage and. One cleaner solution is to simply use a power supply with a +5 and +12V output, such as this one: This Molex 4-Pin to SATA Power Adapter Cable is used to power SATA devices with a Molex connection. If you get the polarity or the pins wrong you could damage your computer or your disk drive (or both). It's possible you could dismember a USB cable and wire it and the 12V supply to the Molex, but there are risks if you get the pinout wrong ( here you can find the color codes and what the pins do), and if you exceed the 100-500mA the laptop will output on the USB power, the port may shut down or (on very old laptops) you might lose a fuse that requires a lot of work to replace. Recycle older power supplies for repairs or replacements. It connects newer SATA internal hard drives, optical drives, and motherboards to a power supply with legacy LP4, 4-pin Molex connectors. iCAN SATA-to-Molex (M/F) Power Adapter (Convert 15-pin SATA Power to 4 Pin Molex ATX Power)( ZGH-CP05), More Hard Drive Adapters from.
It will often be more than the 500mA USB connector can supply, even after negotiation over the USB bus for current (which requires a microcomputer for that to happen properly). Rocstor Premium 6in SATA Power Adapter Cable can power a SATA hard drive from a conventional LP4 power supply connection. PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard. The Cable Matters 4-Pin Molex to SATA Power Cable Adapter is a handy addition to your toolbox when building, upgrading or repairing computers. 3.5" SATA hard hard drives require both +12 and +5V power sources.
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