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Lenovo 180W SFF power supply with 14-pin connector

Lenovo

Lenovo PS-3181-02 180W 14Pin SFF power supply

SKU CH-TH33-8PDW0 MPN PS-3181-02

180W small-form-factor power supply with 14-pin connector for Lenovo S5R series desktops

  • 180W output powers SFF workstations reliably
  • 14-pin connector fits Lenovo S5R6 S5R3 S5R1 chassis
  • Multiple part numbers confirm exact replacement match
  • 90-day warranty covers new unit from installation

Lenovo 180W SFF 14-pin PSU

The Lenovo PS-3181-02 is a 180-watt small-form-factor power supply built for compatible Lenovo desktops. It uses a 14-pin connector layout that matches specific SFF chassis designs. This unit suits IT teams maintaining fleets of supported Lenovo models. Buyers who need higher wattage or standard ATX pinouts cannot use this part.

Direct replacements for multiple Lenovo part numbers

This PSU replaces Lenovo part numbers 54Y8897, 54Y8923, PCE008 and HK280-71FP across the S5R1, S5R3 and S5R6 series. The cross-reference simplifies sourcing for repair workflows. Systems requiring a different connector count or form factor will not accept this unit.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $81.99
Cheaper than about 75% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Model namePS-3181-02

Questions about this item

Will the 14-pin connector need to be replaced during the life of this PS-3181-02 unit?

The 14-pin connector is a fixed part of the 180 W PS-3181-02; if it wears or is damaged the whole power supply must be replaced.

What limits sustained output first on this 180 W SFF power supply?

The 180 W rating is the ceiling; continuous draw at or near that level will hit the unit's thermal and current limits before any other factor.

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