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Rectangular silver metal power supply unit with ventilation grille and rear connector panel

NShi

NShi PSU for FSP AT P8P9 300W Switching Power Supply server chassis

SKU CH-X2G1-M4VD6

Replacement 300 W switching power supply compatible with FSP AT P8P9 and SPI-200, SPI-250, SPI-300, PS-7271, SD-250AT models

  • Chassis TypeDesktop
  • 300 W output powers compatible FSP server chassis
  • Replaces SPI-300G, SPI-250G and SPI-200G units
  • Fits PS-7271 and SD-250AT form-factor designs
  • New condition ensures reliable operation from first install

300 W replacement PSU for FSP AT P8P9

This 300 W switching power supply is built as a direct replacement for the FSP AT P8P9 platform and compatible SPI-300G, SPI-250G, SPI-200G, PS-7271 and SD-250AT units. It fits desktop server chassis that require the original form factor and connector layout. System integrators maintaining legacy rack or tower servers can install it without rewiring.

Sustained 300 W delivery under continuous load

The unit is rated to supply its full 300 W output continuously rather than only in short bursts, so it supports steady workloads such as file serving, virtualization hosts or database nodes. Voltage regulation remains stable during extended operation, reducing the risk of unexpected shutdowns. Builders who need higher continuous wattage or redundant modules should look elsewhere.

Highlights

  • 300 W output powers compatible FSP server chassis
  • Replaces SPI-300G, SPI-250G and SPI-200G units
  • Fits PS-7271 and SD-250AT form-factor designs
  • New condition ensures reliable operation from first install

Specifications

Chassis TypeDesktop

Questions about this item

How loud is the fan in the 300 W power supply under full load?

The unit uses a standard switching design; fan speed scales with load and temperature, so noise rises as the 300 W output is approached.

Which cables or connectors must my chassis already provide for the PS-7271 to plug in?

The PS-7271 follows the FSP AT P8P9 pin-out, so the host chassis needs a matching 20+4 pin main connector and the auxiliary 4-pin CPU power header.

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