However, SATA cables are much thinner and simpler to manage inside a PC. But the only one SATA device can be connected to a single SATA data cable. The major difference between SATA or PATA data cables is that two PATA devices can connect to the same data cable. However, the StarTech 4-pin to 15-pin power cable adapter is an example of a SATA cable. Then you can purchase a Molex-to-SATA adapter to power your SATA device over a Molex power connection. If your power supply doesn’t need a SATA power cable. As the older devices that need a PATA connection still exist, some power supplies might only have 4-pin Molex power supply connectors. They can’t work with the traditional Parallel ATA (PATA) devices.
SATA power cables are needed for powering internal SATA hardware like hard drives. The second one is a 9-pin connector known as a micro connector (supplies +3.3 VDC and +5 VDC). Important: There are two least common SATA power connectors: The first one is a 6-pin connector known as a slimline connector (supplies +5 VDC). Then you must be aware that the voltages must be within ATX-specified tolerances. After using this pinout table to examine power supply voltages. The pinout is given in the below table for the standard SATA 15-pin peripheral power connector as of model 2.2 of the ATX Specification.
It is rated to provide a maximum of 36W (12V 3A), so for those of us planning to fully power something like a 1050ti through this adapter, you will likely be out of spec (and may fry the PCB on the GPU end).
Worth mentioning is that the PCIe power on these units is provided through a SATA to 4 pin adapter they ship with the unit. These are definitely much better put together than most I've seen (including B-plus). The craftsmanship on the units I did receive is very good and I consider myself something of an expert as I am sure I own at least forty riser cards/cables. What I will say is within literally minutes of contacting them regarding the error they had responded with apologies and offered to get two more in transit for me ASAP. I received two the other day but unfortunately they sent me the wrong units (16x PCIe to 1x PCIe and M.2 NVMe to 1x PCIe).
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