A secondary power supply resides within a desktop computer case, adding additional power capacity to the entire system. These are typically designed to fit into a 5.25-inch drive bay. The incoming power cable is routed through an available card slot on the back of the system. Various component cables run from the supplemental power supply to the internal PC components.
Because the most common use for these devices is to power the latest generation of energy-intensive graphics cards, these devices almost always have PCI-Express graphics 6-pin or 8-pin power connectors. Some also feature 4-pin Molex and Serial ATA power connectors for internal drives.
Due to the limited size of supplemental power supplies, these tend to be a bit more restricted in the overall maximum power output compared to a standard power supply. Typically, these are rated around 250 watts to 350 watts of output.
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supplemental graphics power uses
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Explanation:
What Is a Supplemental Power Supply?
A secondary power supply resides within a desktop computer case, adding additional power capacity to the entire system. These are typically designed to fit into a 5.25-inch drive bay. The incoming power cable is routed through an available card slot on the back of the system. Various component cables run from the supplemental power supply to the internal PC components.
Because the most common use for these devices is to power the latest generation of energy-intensive graphics cards, these devices almost always have PCI-Express graphics 6-pin or 8-pin power connectors. Some also feature 4-pin Molex and Serial ATA power connectors for internal drives.
Due to the limited size of supplemental power supplies, these tend to be a bit more restricted in the overall maximum power output compared to a standard power supply. Typically, these are rated around 250 watts to 350 watts of output.