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Silver rectangular metal power supply unit with rear fan grille and cable bundle

DELL

DELL L220P-00Product 220 W ATX 12V power supply

SKU CH-59P2-M25QK MPN L220P-00Product

220 W ATX 12V unit with 13 A on the 12 V rail, 17 A on 5 V and 4 A on 3.3 V for Dell Optiplex GX520 and GX620 desktops

  • TypeATX 12V
  • Maximum Power220 W
  • +12V Rails1
  • Input Voltage110 V AC 220 V AC
  • Weight4
  • Delivers 220 W continuous output for stable desktop operation
  • Single +12 V rail rated at 13 A powers CPU and drives reliably
  • Wide 110 V AC to 220 V AC input suits global mains voltages
  • Dedicated 5 V standby rail at 1 A keeps wake functions active
  • Direct replacement for Dell OptiPlex GX520 and GX620 desktops

Dell 220 W ATX12V unit

The Dell L220P-00Product is a 220 W ATX12V power supply built for Dell Optiplex GX520 and GX620 desktop chassis. It delivers 3.3 V at 4 A, 5 V at 17 A, 12 V at 13 A, -12 V at 500 mA and 5 V standby at 1 A from a single 12 V rail. The unit accepts 110 V AC or 220 V AC input.

Single 12 V rail at 13 A

The defining specification is the single +12V rail rated at 13 A, which limits the total 12 V power available to the motherboard and any installed cards. If the system configuration draws more than this on the 12 V line, the supply will not sustain stable operation.

Fits Optiplex GX520 and GX620

Designed as a direct replacement for the original Dell K8965 unit, it mounts internally in the proprietary Optiplex desktop form factor. The 220 W ceiling frees no headroom for high-power graphics upgrades, so the build must stay within the original platform power envelope.

Highlights

  • Delivers 220 W continuous output for stable desktop operation
  • Single +12 V rail rated at 13 A powers CPU and drives reliably
  • Wide 110 V AC to 220 V AC input suits global mains voltages
  • Dedicated 5 V standby rail at 1 A keeps wake functions active
  • Direct replacement for Dell OptiPlex GX520 and GX620 desktops

Specifications

BrandDELL
TypeATX 12V
Maximum Power220 W
+12V Rails1
Input Voltage110 V AC 220 V AC
Weight4

Questions about this item

Will 220 W be enough for my OptiPlex GX520 or GX620 desktop?

This is the original Dell 220 W ATX12V unit shipped with those models, so it matches the factory power budget for the motherboard, CPU and standard peripherals.

What does the single 12 V rail rated at 13 A mean for upgrades?

The +12 V line can deliver 13 A, which sets the limit for any added graphics card or drive that draws from 12 V; total 12 V load must stay at or below that current.

Does this supply fit the standard chassis mounting points of a GX520 or GX620?

Yes, it uses the internal ATX12V form factor designed for those OptiPlex desktops and aligns with the original mounting holes.

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