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Rectangular metal server power supply unit with built-in cooling fan

NShi

NShi HRP-300-7.5 7.5V 40A 300W server chassis

SKU CH-N348-P7MF7

Delivers 7.5 V at 40 A with active PFC, constant-current limiting and remote-sense in a 1 U desktop chassis

  • Chassis TypeDesktop
  • Active PFC corrects power factor for efficient AC use
  • Constant current limiting protects against overload damage
  • Remote sense compensates voltage drop across cables
  • 100 % full load burn-in test validates reliability
  • 5 years warranty backs long-term operation

NShi HRP-300-7.5 Server Chassis

The NShi HRP-300-7.5 is a desktop server chassis designed for 1U low-profile rack installations. It houses a single-output power supply delivering 7.5V at 40A for a total of 300W. Built-in active PFC and forced air cooling via a built-in DC fan support continuous operation in dense compute environments.

Suited for 1U rack builds needing 7.5V DC power

This unit suits integrators building 1U servers or industrial systems that require a 7.5V 300W source with active PFC and remote sense capability. It is not for builders needing higher voltage rails such as 24V, 36V or 48V outputs. It is also not for silent desktop PCs that cannot accommodate forced-air cooling.

7.5V 40A 300W single output with active PFC

The defining specification is the fixed 7.5V rail rated at 40A continuous current, protected by constant current limiting and over-voltage safeguards. Remote sense and DC OK signal allow precise voltage regulation at the load. Verify that your system requires exactly 7.5V before purchase.

Highlights

  • Active PFC corrects power factor for efficient AC use
  • Constant current limiting protects against overload damage
  • Remote sense compensates voltage drop across cables
  • 100 % full load burn-in test validates reliability
  • 5 years warranty backs long-term operation

Specifications

Chassis TypeDesktop

Questions about this item

Does the built-in DC fan need periodic cleaning or replacement to maintain forced-air cooling?

The unit uses forced air cooling by a built-in DC fan; dust accumulation can reduce airflow, so cleaning the intake area periodically helps sustain thermal performance.

Which protection circuit activates first during continuous full-load operation — over-temperature, overload or over-voltage?

Protections include short circuit, overload, over voltage and over temperature; the first to trigger depends on whether thermal limits, current draw or voltage spikes are reached under sustained load.

How much waste heat and acoustic output should I expect when the supply runs at 300 W output all day?

At 300 W output the fan runs continuously for forced air cooling; no-load consumption is below 0.5 W, so nearly all input power above the load becomes heat and fan noise increases with temperature.

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