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Replace Power SG33G5 350 W Flex ATX power supply, compact metal unit with single fan

Replace Power

Replace Power SG33G5 350 W Flex ATX power supply

SKU CH-10W6-ZB513 MPN SG33G5

350 W Flex ATX power supply with one fan upgrades Dell XPS 8300 and 8500 units

  • Fan configuration1
  • Product typeATX
  • Product weight0.1
  • 350 W output replaces lower-wattage Dell units
  • Flex ATX form factor fits compact Dell XPS chassis
  • Single fan delivers essential cooling for stable operation
  • Lightweight 0.1 kg design simplifies installation and handling
  • Compatible with Dell XPS 8300 and 8500 systems

Flex ATX replacement for Dell XPS

The Replace Power SG33G5 is a new 350 W Flex ATX power supply built to fit Dell XPS 8300 and 8500 systems. It replaces the original 82WHM, RH8P5, 6GPR9, 7P3WV and FVGCW units. The single-fan design delivers standard ATX power in the compact Flex form factor required by those chassis.

Upgrade from 220 W to 320 W originals

This unit steps in when the factory 220 W, 250 W, 270 W, 300 W or 320 W supply fails or cannot support added components. The extra headroom helps when a discrete graphics card or extra drives are installed. It is not for builders who need higher wattage than 350 W or a different form factor such as standard ATX or SFX.

Direct swap with Dell connector match

Installation is a direct swap: remove the old unit, fit the SG33G5 using the existing screws and connect the same motherboard and drive cables. The Dell-specific pin-out matches the original 82WHM series, so no adapters are required. The only common issue is forgetting to seat the 24-pin and CPU power connectors firmly before closing the case.

How it compares

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

Price $64.99
Cheaper than about 82% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameReplace Power
Model nameSG33G5 SK41GPFC SK43G
Product typeATX
More details
Fan configuration1

Questions about this item

Will the Flex ATX form factor of this SG33G5 fit my Dell XPS 8300 or 8500 chassis?

The unit matches the Flex ATX size used in Dell XPS 8300 and 8500 models and replaces Dell part numbers 82WHM, RH8P5, 6GPR9, 7P3WV and FVGCW.

What is the correct mounting step when swapping this 350 W supply into a Dell XPS 8300 or 8500?

Remove the old supply, align the four screw holes on the Flex ATX housing with the chassis standoffs, secure the screws, then connect the 24-pin ATX and CPU power cables.

Which component of this SG33G5 will need attention first during long-term use?

The single cooling fan is the only moving part; if it becomes noisy or stops spinning, the entire power supply should be replaced.

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