Free Shipping

Replace Power 420 Watt Mini ITX / TFX Power Supply

MPN: TFX-Power-Supply-420W | SKU: WR4972
Regular Price: $49.78
Price: $39.98
In Stock. FREE Shipping!
  • 0 Stars based on 0 Review(s)
  • UPC: 813036029941
  • Condition: New
You save 20% today!
In Stock. FREE Shipping!
Upgrade Your Warranty:

  • Key Selling Points

Key Selling Points

  • 0 Stars based on 0 Review(s)
  • UPC: 813036029941
  • Condition: New
  • Description
  • Product Details
  • Customer Reviews
  • Q&A


This Replace Power 420W replacement TFX Power Supply features a 20+4 Pin PSU connector and gives you the power you need to get your system up and running. The TFX power supply format is designed for small form factor (SFF) cases that are commonly built into smaller systems or PCs. This power supply will replace your existing TFX unit or upgrade your power if you're looking to install a new hardware component. Single rail design ensures high performance over time and quiet operation makes a great choice for use in a system that is where you live.

The Replace Power TFX 420W offers advanced power in a compact design. This PSU gives you more juice for your mini or media PC. It is the perfect upgrade or replacement for any PC chassis requiring a TFX form factor PSU. Designed for higher efficiency while providing solid voltages and power to your TFX form factor system.

  • Single Rail EPS12v
  • 20+4 Pin Main Power Connector
  • 4+pin CPU Connector
  • Sturdy 0.6mm SECC Case
  • Works with both 20 and 24 main connectors
  • Popular replacement for the Dell Inspiron 546S
AC Input Voltage / Current
110/220V; 47-63GHz
DC Output
+5V/12A; +12V/14A; -12V/0.5A; +3.3V/12A +5VSB/1.5A
Case Material
0.6mm SECC
Fan Size
Rated Power
Max Power
1 x 20+4 pin Main Connector
1 x 4-pin P4 CPU Power Connector
2 x SATA
2 x 4-Pin Molex
  • Dimensions: 6.75 Inch; Height 3.25 Inch; Width x 2.5 Inch
  • Replace Power® PSU
  • Type: TFX
  • Supports Slimline and SFF models
  • Upgrade to 420 Watts. Replaces your 200, 250, 300 or 350 Watt power supply.


  • 1 x Replace Power RP-TFX-420 TFX 12V 20+4-pin 420W Power Supply

Brand: Replace Power

MPN: TFX-Power-Supply-420W

UPC: 813036029941

Compatibility: TFX Form Factor, Molex, SATA

Packaging: Retail

Condition: New

Product Details

Replace Power

Package Includes

Customer Reviews

Review Summary


Question & Answers

Ask A Question

Replace Power 420 Watt Mini ITX / TFX Power Supply

Price: $39.98
FREE Shipping!