MSI MAG A550BN 550W Power Supply 80 Plus Bronze Efficiency and Low Noise Fan
MSI MAG A550BN 550W Power Supply 80 Plus Bronze Efficiency and Low Noise Fan
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MSI

MSI MAG A550BN 550W Power Supply 80 Plus Bronze Efficiency and Low Noise Fan

|18 ratings

Key item features

  • Energy Efficiency: Achieves 80 Plus Bronze certification, which ensures high energy efficiency and significantly reduced power consumption for the entire system's operation.
  • Stable Regulation: Employs a robust DC to DC circuit design, effectively reducing output voltage instability and substantially enhancing overall power supply stability.
  • Quiet Operation: Features a 120mm low noise fan with an integrated sleeve bearing, delivering efficient heat dissipation alongside minimal operational sound.
  • Component Protection: Includes comprehensive circuit protection mechanisms, specifically OVP, OCP, OPP, OTP, and SCP, to safeguard connected components.
  • Builder Friendly: Serves as a reliable entry-level power supply option, making it ideal for beginner PC builders who require stable and safe power delivery.
  • Power Delivery: Provides a 550W power output capacity, featuring a 12V single rail configuration and active Power Factor Correction (PFC).
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4.7 out of 5 stars
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18 ratings9 reviews
How item rating is calculated
  1. 5 stars89% (16)
  2. 4 stars6% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star6% (1)
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Showing 1-3 of 9 reviews

Jul 1, 2026
Reviewer name: Colin
Sold and shipped byNewegg Inc.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Amazing fit perfectley, installation was quick and easy, worth the price.

Helpful?5OLHP96FGQ783421448202
Nov 26, 2025
Reviewer name: Zadkiel
Sold and shipped byfull time sales llc
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

easy to install

ive never installed a power supply unit before, complete pc repair newbie. this one has been very easy to work with and easy to install. ive been very happy with it!

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Helpful?5OLHP96FGQ783421448202
Dec 10, 2025
Reviewer name: Patrick
Sold and shipped byRAIDEALS INC.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

great psu for ddr4 low end to mid

before purchase i didn't make sure the plug faced the right way so i had to modify my case other wise a perfect buy for a budget build

Incentivized Review
Helpful?5OLHP96FGQ783421448202
Current price is Now $57.99
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was $64.99
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Sold and shipped by Newegg Inc.
4.601115560640732 out of 5 stars
4.6 stars out of 5, based on 6992 seller reviews(4.6)
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