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Rectangular silver server power supply unit with rear fan grille and power connector

Supersuperuncle

Supersuperuncle 645W server power supply for SP645-PS

SKU CH-KJ63-MNDBK

645W server power supply built for the SP645-PS platform, first listed October 2023

  • 645W output powers demanding server configurations
  • Designed specifically for SP645-PS compatibility
  • New condition ensures full manufacturer specifications
  • Listed by manufacturer in October 2023
  • Purpose-built server power supply unit

Supersuperuncle 645W Server PSU

This 645 watt unit is built for the SP645-PS server platform. It delivers the rated output required by that specific chassis. System integrators replacing a failed module or configuring a matching spare will find the correct fit. Buyers who need a different form factor or higher wattage cannot use this model.

Sustained 645W delivery

The supply is rated to provide 645 watts continuously under server workloads. It maintains stable rails during extended compute tasks without relying on short-term peak headroom. Thermal management is designed for the airflow pattern of the target chassis. Operators running variable loads will see consistent voltage regulation.

Direct replacement install

Installation consists of sliding the module into the SP645-PS bay until the latch engages. No cable routing or soldering is required because the connector is integral to the chassis. The most common issue is forgetting to seat the unit fully, which leaves the power pins unlatched. A second issue occurs when the chassis fan wall is blocked, causing the supply to throttle.

How it compares

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

Price $249.99
Pricier than about 79% of the 3,798 comparable items (median $131.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

How much power does the 645W unit draw from the wall when the server runs continuously?

The supply is rated at 645W output; actual wall draw depends on the load placed on the server components.

Which server chassis or backplane is required to mount and connect this supply?

It is built for the SP645-PS platform, so that specific chassis or a compatible backplane must be present.

Will this supply fit in an older rack that uses a different form factor?

It is designed for the SP645-PS form factor and will not fit older racks that use a different mechanical standard.

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