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Silver rectangular ATX power supply unit with side ventilation grille

DELL

DELL PS-5161-1D1Product 160 W ATX 12V power supply

SKU CH-QW3B-1F9RZ MPN PS-5161-1D1Product

A 160 W ATX 12V internal power supply with a single 12 V rail, compatible with Dell Optiplex GX and Dimension desktop models

  • Max wattage160 W
  • 12V rails1
  • Supply voltage110 V AC 220 V AC
  • Product typeATX 12 V
  • 160 W output powers legacy Dell OptiPlex and Dimension desktops
  • Single +12 V rail delivers 9 A for stable CPU supply
  • Dual 110 V / 220 V AC input works worldwide without a switch
  • Compact 8.5 × 2.3 × 2.8 in internal form factor fits small chassis
  • 04 lb lightweight unit eases installation in older towers

Dell Optiplex GX and Dimension replacement

This Dell PS-5161-1D1 ATX 12V power supply delivers 160 W through a single +12 V rail rated at 9 A. It accepts 110 V AC or 220 V AC input and fits the internal form factor used by listed Optiplex GX and Dimension desktops.

Buyers restoring or maintaining compatible Dell

It suits technicians and owners who need a direct-fit replacement for the models named in the compatibility list. Builders planning new assemblies or upgrades requiring higher wattage, additional +12 V rails or different connectors should look elsewhere.

160 W total output with one +12 V rail at 9 A

The 160 W maximum power and the single 12 V rail current limit define whether this unit can support the intended components. Verify the power draw of the target system against these figures before purchasing.

How it compares

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

Price $51.99
Cheaper than about 90% of the 10,869 comparable items (median $142.99).
Max wattage 160 W
Lower than about 98% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameDELL
Product typeATX 12 V
Power
Max wattage160 W
12V rails1
Supply voltage110 V AC 220 V AC

Questions about this item

Which version of this Dell PS-5161-1D1 160 W ATX12V power supply matches my Optiplex or Dimension model?

The unit fits Dell Optiplex GX50, GX60, GX150, GX240, GX260, GX270, GX280 and Dimension 4500C, 4600C desktops as listed in the compatibility data.

What does the 160 W rating mean for my system build?

The combined output across all rails is 160 W; the +12 V rail delivers 9 A, the 5 V rail 11 A, and the 3.3 V rail 9 A, so total power for CPU, drives and motherboard must stay within that limit.

What power input standard does this PSU use and what does it cap?

It accepts 110 V AC or 220 V AC mains input and provides a single +12 V rail rated at 9 A along with 3.3 V at 9 A, 5 V at 11 A, -12 V at 500 mA and 5 V standby at 2 A.

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