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Green printed circuit board with black 24-pin ATX connector and silver components

NShi

NShi X3-ATX-300 PSU Board DC 16-24V 24PIN 250W 300W server chassis

SKU CH-X6Z3-7EFGF

PSU board accepts 16 to 24 V DC input and provides a 24-pin ATX output rated at 250 W with a 300 W peak for mini computer builds

  • Chassis styleDesktop
  • DC 16-24 V input fits compact builds
  • 24-pin ATX output powers standard boards
  • 250 W rated load handles steady demand
  • 300 W peak covers short surges

DC 16-24V ATX power board for PICO-Box builds

This NShi X3-ATX-300 board converts a 16-24V DC source into standard ATX voltages through a 24-pin connector. It suits compact server or mini-PC chassis that rely on an external DC supply or a PICO-Box VR module. Rated output is 250W with a 300W peak capacity.

Thermals noise and power draw in normal use

The board delivers up to 250W continuously and handles short 300W peaks without active cooling of its own. Heat and acoustic output depend on the host chassis airflow and the external DC source. Power draw at the input matches load plus conversion losses within the rated range.

How it compares

Measured against everything we stock in Rackmount Server Cases, at today’s prices. Recalculated every night.

Price $241.99
Pricier than about 54% of the 1,006 comparable items (median $222.49).

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Specifications

Size & build
Chassis styleDesktop

Questions about this item

How do I install the NShi X3-ATX-300 PSU board into a PICO-Box VR chassis and what is the common wiring mistake?

Mount the board in the chassis, connect the 24-pin ATX cable to the motherboard, then feed the 16-24 V DC source into the board's input terminals; the step often missed is verifying polarity on the DC input before powering on.

What maintenance or replacement will the NShi X3-ATX-300 PSU board need over time?

The board itself has no user-serviceable parts; plan to replace the entire module if output voltage drifts or the unit fails to deliver the rated 250 W continuous or 300 W peak load.

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