Skip to main content
MONTECH APX 550W-Non-Modular Power Supply-80 Plus White Certified-Intel ATX12V-DC-to-DC Converter Technology- Flat Cable Design to Enhance Thermal Efficiency-120mm Fan- 5-Year Warranty (APX 550W)
Montech

MONTECH APX 550W-Non-Modular Power Supply-80 Plus White Certified-Intel ATX12V-DC-to-DC Converter Technology- Flat Cable Design to Enhance Thermal Efficiency-120mm Fan- 5-Year Warranty (APX 550W)

Bottom line: The MONTECH APX 550W-Non-Modular Power Supply-80 Plus White is a specs-and-price decision rather than a crowd-consensus one in the power supplies category, priced around $63.54 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$63.54

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Buy on Amazon — $63.54 Compare to similar power supplies

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ +12V rail performance provides power and reliability for high-demand systems
  • ✓ Backed by Montech's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Unlike typical white-label power supplies, APX PSU breaks convention by incorporating advanced DC-to-DC technology alongside 80 PLUS White certification. This technology ensures stable and efficient power delivery to all components, while our 80 PLUS White certification guarantees at least 80% efficiency under typical loads. This not only reduces electricity costs but also significantly minimizes heat generation, making it the optimal choice for those prioritizing performance and environmental responsibility. APX PSU excels with dominant 12V rail performance, delivering precise power to meet…

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored MONTECH APX 550W-Non-Modular Power Supply-80 Plus White… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Montech's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • DC-to-DC technology ensures optimal power efficiency and stable output across all components
  • 80 PLUS White certified power supply ensures high energy efficiency and minimizing heat generation
  • +12V rail performance provides power and reliability for high-demand systems
  • 120mm hydraulic bearing fan provides silent operation and efficient cooling system
  • Features six essential safety mechanisms providing system stability, over-voltage (OVP), under-voltage (UVP), over-current (OCP), over-power (OPP), short-circuit (SCP), and over-temperature protection (OTP)

Full Specifications

BrandMontech
Wattage550 watts
Fan Size12 centimeters
Model NameAPX 550W
Unit Count1 Count
Form FactorATX
Model NumberAPX 550W
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage550
Item Dimensions5.91 x 5.51 x 3.39 inches
Mfr Part NumberAPX 550W
Number of Items1
Compatible DevicesPersonal Computer
Power Supply DesignNon-Modular
Warranty Description5 Years
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage100 volts_of_direct_current
Item dimensions L x W x H5.91 x 5.51 x 3.39 inches

Ready to buy?

MONTECH APX 550W-Non-Modular Power Supply-80 Plus White Certified-Intel ATX12V-DC-to-DC Converter Technology- Flat Cable Design to Enhance Thermal Efficiency-120mm Fan- 5-Year Warranty (APX 550W) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $63.54

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Related Power Supplies

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
MONTECH APX 550W-Non-Modular Power Supply-80 Plus White Certified-Intel ATX12V-DC-to-DC Converter Technology- Flat Cable Design to Enhance Thermal Efficiency-120mm Fan- 5-Year Warranty (APX 550W)
$63.54
View on Amazon →