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Rectangular metal server power supply with built-in fan

NShi

NShi RSP-1000-24 1000W 24V 40A server power supply

SKU CH-E6AZ-WEPH3

Delivers 1000 W at 24 V with 90 % efficiency, adjustable output, remote control and full protection from -20 to +60 °C

  • Chassis styleDesktop
  • High efficiency up to 90 % reduces energy waste
  • Wide operating range from -20 to +60 °C ensures reliability
  • Adjustable voltage and constant current suit diverse loads
  • Multiple protections guard against short circuit overload over-voltage over-temperature
  • Metal casing with built-in DC fan provides effective heat dissipation

NShi RSP-1000-24 server power supply

The NShi RSP-1000-24 is a 1000 W desktop switching supply delivering 24 V at up to 40 A. It suits industrial automation, test equipment and DIY engineering projects that need a robust single-output AC/DC converter.

Practical limits of the standard interface

The unit operates at up to 90 % conversion efficiency across a full-load temperature range of -20 to +60 °C. Built-in DC fan cooling and a metal chassis handle heat dissipation, while PFC, remote sensing and a DC OK signal support stable integration. Protection circuits cover short circuit, overload, over-voltage and over-temperature events.

Capacity and headroom

Rated output provides 1000 W continuous power with adjustable voltage and constant-current settings for flexible loading. Sustained operation above the 40 A rating is not supported and will reduce service life. Buyers needing multiple isolated outputs or higher current per rail should consider other form factors.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $504.99
Pricier than about 90% of the 3,798 comparable items (median $131.99).

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Specifications

Size & build
Chassis styleDesktop

Questions about this item

Should I pick the 24V 40A version or a different voltage for my server build?

This model delivers 24V at up to 40A for 1000W total. Choose it when your equipment needs exactly that voltage and current; other voltages would be separate models.

What does the 90% efficiency figure mean once the unit is installed in a rack?

At full load the supply converts up to 90% of AC input into usable DC, so waste heat stays lower and the built-in fan can keep the unit within its -20 to +60°C operating range.

The spec mentions remote sensing and a DC OK signal — what interface do those use and what do they actually control?

Remote sensing uses dedicated sense leads to compensate for cable drop at the load, while the DC OK signal provides a simple status output that asserts when the 24V rail is within regulation.

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