BFKK 3U Rackmount Server Chassis EATX/ATX/MATX 4x5.25 6x3.5 Top/Side Cooling
- Rackmount
T.F.SKYWINDINTL
Adds LED status indicators for 3.3V, 5V, 12V, PS-ON and standby rails while letting two PSUs start together to power graphics cards, drives and fans via Molex 4Pin, SATA or 6Pin connectors
This adapter synchronises two ATX power supplies so they start and shut down together, giving a single system the combined wattage of both units. It is aimed at builders running multiple graphics cards or large drive arrays that exceed one PSU's capacity. The board accepts a Molex, SATA or 6-pin lead from the primary PSU and passes the 24-pin signal to the secondary unit. No software configuration is required.
The decisive specification is the 24-pin ATX female header that mirrors the primary PSU's power-on signal to the second supply, ensuring both rails rise simultaneously. Integrated 3.3 V, 5 V and 12 V LEDs plus a PS-ON indicator show each rail's presence at a glance. This visual confirmation prevents the common mistake of assuming the second PSU is live when only the primary has started.
Installation is a straight cable swap: connect the chosen primary lead, seat the secondary 24-pin plug, and power on. The main risk is inserting the 24-pin connector offset by one row, which shorts the PS-ON line and prevents startup. Builders should also verify that the secondary PSU's fan spins before loading the cards, as a dead fan often signals a wiring error rather than a faulty board.
| Type | Dual PSU Power Adapter |
|---|
It links the secondary PSU so both units start and stop together when the main supply receives the PS-ON signal.
Any standard SATA power lead from the main PSU plugs into the adapter to provide the sync signal.
The compact PCB fits in a standard expansion slot opening and requires only enough room for the attached 24-pin and peripheral cables.
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