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Grey ATX power supply unit with 80mm fan and built-in cables

Replace Power

Replace Power Dell 1100 2100 3100 4100 4700 5000 5100 5150 M8805 ATX Power Supply 280W 420W

SKU CH-69VW-9TCQN

ATX replacement supply for Dell 1100 2100 3100 4100 4700 5000 5100 5150 M8805 desktops, 280 W continuous with 420 W peak, reduced depth and 24-pin, SATA, Molex and 4-pin CPU connectors

  • Fan configuration1
  • Product colorGrey
  • Product typeATX
  • Product weight4
  • Replaces Dell 1100 2100 3100 4100 4700 5000 5100 5150 M8805 units directly
  • Reduced depth fits standard ATX slots without overhang
  • 24-pin 20+4 motherboard connector plus 4-pin CPU power included
  • Three SATA 15-pin and two Molex 4-pin drive connectors supplied
  • 280 W continuous output with 420 W peak capacity for stable operation

Replacement ATX Power Supply

This Replace Power unit is built as a direct replacement for Dell desktop models including the 1100, 2100, 3100, 4100, 4700, 5000, 5100, 5150 and M8805. It fits a standard ATX mounting pattern while using a reduced depth of 5.86 inches by 3.3 inches for wider case compatibility. A single 80 mm fan provides cooling. The supply delivers a total continuous rating of 280 watts with a peak capacity of 420 watts.

Who It Suits and Who Should Look Elsewhere

System builders restoring or maintaining the listed Dell workstations will find the correct connector set and form factor here. The unit includes a 24-pin (20+4) motherboard connector, a 4-pin CPU power connector, three SATA power plugs, two Molex plugs and one floppy power plug. It is not suited for builds that require higher continuous wattage, additional PCIe graphics connectors, modular cabling or a deeper ATX chassis footprint.

Capacity and Headroom

The 280 watt continuous rating comfortably handles typical office desktop loads with integrated graphics, multiple storage drives and standard peripherals. Peak headroom of 420 watts covers short transients during spin-up or boot. Systems with discrete graphics cards, many drives or heavy overclocking will exceed the continuous limit and should select a higher-rated supply.

How it compares

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

Price $55.99
Cheaper than about 88% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameReplace Power
Model nameDell 1100 2100 3100 4100 4700 5000 5100 5150 M8805
Product colorGrey
Product typeATX
More details
Fan configuration1

Questions about this item

Does my Dell chassis need a standard ATX mounting pattern to fit this 5.86" x 3.3" unit?

Yes, it mounts in a standard ATX power supply slot; the reduced depth of 5.86 inches only means it will not extend as far into the case as a traditional ATX PSU.

Can I keep my older IDE hard drive that uses a Molex 4-pin connector?

Yes, the unit includes two Molex 4-pin connectors so an older IDE drive can be powered alongside newer SATA devices.

How can I confirm the +12V1 and +12V2 rails are delivering power after installation?

The system will POST and run stably; the PSU provides +12V1 and +12V2 outputs listed in the specifications, and the 80 mm fan spinning indicates the unit is active.

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