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

Replace Power

Replace Power Dell GX320 GX520 GX620 H305N-00 L305N-00 M8806 power supply

SKU CH-6GJP-A6ZYS

ATX replacement unit with reduced depth for Dell GX320, GX520 and GX620 systems, delivering 280 W continuous power with 20+4-pin, 4-pin CPU, three SATA and two Molex connectors

  • Fan configuration1
  • Product colorGrey
  • Product typeATX
  • Product weight4
  • Reduced depth fits tight Dell GX cases
  • 280 W continuous output powers legacy desktops
  • 420 W peak handles startup surges
  • 24-pin plus 4-pin CPU feeds motherboard
  • Three SATA 15-pin connectors support multiple drives

Replacement PSU for Dell GX Desktops

This Replace Power unit is a direct replacement for Dell GX320 GX520 and GX620 systems using part numbers H305N-00 L305N-00 or M8806. It delivers a total continuous output of 280 Watts with a 420 Watt maximum rating. The grey ATX form factor fits standard mounting points while the reduced depth improves case compatibility.

Reduced Depth ATX Fit and Connector Layout

The power supply fits a standard ATX slot but does not extend as far as traditional units, freeing space behind the motherboard tray. Fixed cables provide a 24 (20+4) pin motherboard connector, a 4 pin CPU connector, three SATA 15 pin connectors, two Molex 4 pin connectors and one floppy 4 pin connector. This covers drives and board power without modular cables.

80mm Cooling Low Ripple and Noise

An 80mm fan provides airflow for stable long-life operation while keeping ripple and noise low. The unit accepts AC input from 110 to 220 Volts at 47 to 63 Hertz. Output rails include +5V -5V +12V1 +12V2 +3.3V -12V and +5V-SB. Rise time is less than 70 ms and hold-up time is at least 17 ms at nominal input. The supply is Hi-Pot tested and carries ROHS and CE marks.

How it compares

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

Price $62.99
Cheaper than about 83% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Brand nameReplace Power
Model nameDell GX320 GX520 GX620 H305N-00 L305N-00 M8806
Product colorGrey
Product typeATX
More details
Fan configuration1

Questions about this item

What is the continuous power rating that the Dell GX320 GX520 GX620 replacement will sustain all day?

The unit is rated for 280 Watts total continuous output, with a 420 Watt peak limit.

How loud and hot does the 80mm fan get during 24-hour operation?

An 80mm fan provides the only active cooling; the design targets low ripple and noise, and the reduced-depth chassis fits standard ATX bays without blocking airflow.

Which existing cables or adapters must I already have to connect this supply to my drives?

The supply ships with fixed cables: one 24-pin (20+4) motherboard connector, one 4-pin CPU connector, three SATA 15-pin plugs, two Molex 4-pin plugs and one floppy 4-pin plug.

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