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Rectangular metal ATX power supply unit with blue LED 80mm rear fan and fixed cable bundle

E-POWER

E-POWER EP-450P5-L1 450 W ATX power supply

SKU CH-BK9M-879YS MPN EP-450P5-L1

Delivers 450 W through a single +12 V rail with over-voltage, overload, short-circuit, over-current and over-power protection

  • TypeATX 12V
  • Maximum Power450 W
  • Fans1
  • +12V RailsSingle
  • SATA Power Connector2
  • ModularNon-Modular
  • 450 W output powers mid-range desktop builds
  • Single +12 V rail delivers 28 A for stable GPU supply
  • Two SATA power connectors support multiple drives
  • Built-in over-voltage and overload protection guards components
  • 80 mm blue LED fan provides active cooling

E-POWER 450 W ATX12V power supply

The E-POWER EP-450P5-L1 is a non-modular ATX12V unit rated at 450 W. It suits builders assembling basic office or home PCs that do not require high-wattage graphics cards. The single +12 V rail delivers up to 28 A while the +3.3 V and +5 V rails provide 28 A and 45 A respectively. This connector layout supports older motherboards and drives with six peripheral, two SATA and two floppy plugs plus one 4-pin ATX 12 V connector.

Single 80 mm blue-LED fan thermals

One 80 mm rear fan with a blue LED moves air through the chassis in a conventional pull-through pattern. Over-voltage, overload, short-circuit, over-current and over-power protection circuits engage automatically when limits are exceeded. The supply accepts 100–120 V or 200–240 V at 50/60 Hz without a manual switch, simplifying deployment across regions.

Fixed cable set and protection suite

All cables are permanently attached so there are no loose modular plugs to misplace during assembly. The bundle includes six peripheral connectors, two SATA power leads, two floppy connectors and the 4-pin ATX 12 V lead required by many legacy boards. Every rail is guarded by the full complement of OVP, OLP, SCP, OCP and OPP circuitry built into the platform.

Pontos fortes

  • 450 W output powers mid-range desktop builds
  • Single +12 V rail delivers 28 A for stable GPU supply
  • Two SATA power connectors support multiple drives
  • Built-in over-voltage and overload protection guards components
  • 80 mm blue LED fan provides active cooling

Especificações

BrandE-POWER
ModelEP-450P5-L1
TypeATX 12V
Maximum Power450 W
Fans1
+12V RailsSingle
SATA Power Connector2
ModularNon-Modular
Over Voltage ProtectionYes
Overload ProtectionYes
Input Voltage100 - 120 V / 200 - 240 V
Input Frequency Range50/60 Hz
Power Rating450W
+3.3V Max. Current28A
+5V Max. Current45A
+12V1 Max. Current28A
-12V Max. Current1A
+5VSB Max. Current2.5A
12V Power Connector1 x 4 Pin ATX 12V
Floppy Connector2
Peripheral Connector6
Fans Total Quantity1
Rear Fans Size80mm
Rear Fans LEDBlue
Over Load ProtectionYes
Short Circuit ProtectionYes
Over Current ProtectionYes
Over Power ProtectionYes
Peso de envio3.04 kg
Dimensões da embalagem269 × 213 × 114 mm

Perguntas sobre este artigo

How do I install the non-modular E-POWER EP-450P5-L1 and which cable routing mistake should I avoid?

Mount the unit in the case with its four screws, plug the fixed 4-pin ATX 12V connector into the motherboard, attach the two SATA power leads to drives, and use the six peripheral connectors for other devices; the common error is leaving unused cables loose where they block the single 80mm fan's airflow.

What maintenance or replacement will the EP-450P5-L1 need over time?

The 80mm blue-LED fan is the only moving part; clean dust from its blades and the rear grille periodically, and replace the fan if bearing noise appears or the LED fails.

Which limit appears first when the EP-450P5-L1 runs under sustained heavy load?

The single +12V rail is rated for 28A; drawing close to that current will trigger the rail's over-current protection before the overall 450W rating becomes a factor.

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