Best Short Circuit Protection Power Supplies in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Short Circuit Protection Power Supplies

Corsair RMX Series (2018), RM550x, 550 Watt, 80+ Gold Certified, Fully Modular Power Supply
#TOP1
Corsair Rmx Series (2018), Rm550X, 550 Watt, 80+
10.0
PM SCORE
Corsair CX Series 750 Watt (2017) 80 Plus Bronze Certified Non-Modular Power Supply (CP-9020123-NA)
#TOP2
Corsair Cx Series 750 Watt (2017) 80 Plus
9.8
PM SCORE
CORSAIR HX Series, HX850, 850 Watt, 80+ Platinum Certified, Fully Modular Power Supply
#TOP3
Corsair Hx Series, Hx850, 850 Watt, 80+ Platinum
9.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Short Circuit Protection Power Supplies of 2026

#TOP1

Corsair Rmx Series (2018), Rm550X, 550 Watt, 80+ Gold Certified, Fully Modular Power Supply

CORSAIR
CP-9020177-NA
6.30 X 5.91 X 3.39 Inches
3.36 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bayside Resale 7.41

Features

80 Plus Gold certified for lower power consumption, less noise and cooler temperatures

Tuned for low noise operation even at full load

Zero RPM fan mode for near silent operation at low to medium loads

100 percent industrial grade, 105 degree C rated Japanese capacitors ensure unwavering power and reliability

Fully modular cables, so you only connect the cables your system needs

#TOP2

Corsair Cx Series 750 Watt (2017) 80 Plus Bronze Certified Non-Modular Power Supply (Cp-9020123-Na)

CORSAIR
CP-9020123-NA
5.90 X 3.38 X 6.30 Inches
4.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bayside Resale 6.80

Features

80+ Bronze: Runs cooler and uses less power than less efficient power supplies

5-year warranty: Backed by CORSAIR's legendary technical support and customer service

Black housing, cable sleeving and connectors: Give your build the high-end look without breaking the bank

Thermally controlled 140mm fan: Quiet operation across a wide range of loads

LLC resonant topology with DC to DC: Ensures improved efficiency at lower loads and compatibility with all modern day chipsets and CPUs

#TOP3

Corsair Hx Series, Hx850, 850 Watt, 80+ Platinum Certified, Fully Modular Power Supply

CORSAIR
CP-9020138-NA
5.90 X 7.10 X 3.39 Inches
4.29 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Pro Happy Sale 5.51

Features

80 plus Platinum runs cooler and uses less power than less efficient power supplies

Fully modular allows user to only use the cables they need for a cleaner looking build with better airflow

10-Year Backed by CORSAIR legendary technical support and customer service

135mm FDB fan with Zero RPM mode virtually silent operation at low loads

plus12V rail switch gives the user The choice of a single plus12V rail or multiple plus12V rails

Corsair Sf Series, Sf750, 750 Watt, Sfx, 80+ Platinum Certified, Fully Modular Power Supply (Cp-9020186-Na)

CORSAIR
CP-9020186-NA
3.94 X 4.92 X 2.50 Inches
1.98 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Harness 750 continuous watts In SFX form, perfect for the most power-dense small-form-factor PCs

Ensures ultra-high efficiency operation for less excess heat and lower operating costs

Flexible Para cord sleeved cables make routing and cable management incredibly easy

#TOP5

Corsair Power Supplies , Rmx White 750W Cp-9020155-Na

CORSAIR
CP-9020155-NA
6.30 X 5.91 X 3.39 Inches
4.28 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GP Thunder ✅✅ 6.34

Features

Zero RPM Fan Mode: Virtually silent operation at low and medium loads

Fully modular, clutter free, Para cord sleeved cables: Flexible triple layer mesh Para cord sleeves for easy cable routing and elegant aesthetics

100% All Japanese 105°C capacitors: Premium internal components ensure solid power delivery and long term reliability

80 PLUS Gold certified: High efficiency operation for less excess heat and lower operating costs

Ten year warranty: Your guarantee of reliable operation that will last across several system builds

#TOP6

Corsair Hxi Series, Hx1200I, 1200 Watt, 80+ Platinum Certified, Fully Modular - Digital Power Supply

CORSAIR
CP-9020070-NA
15.43 X 8.85 X 5.98 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bayside Resale 7.03

Features

Corsair Link Integration for monitoring performance and adjustment of fan speed and multi-rail/single rail mode;Multi-GPU ready

80 PLUS Platinum efficiency, delivering 92% energy efficiency at real world load conditions.

ZeroRPM mode for fanless operation at low loads and outstanding noise reduction.

140mm thermally controlled fluid dynamic bearing fan spins up as needed.PATA Connector:12

Fully Modular low profile cables for easy installation, less clutter, and helps maximize airflow through your computer's chassis.SATA Connector:16

Ten year warranty: Your guarantee of reliable operation that will last across several system builds

#TOP7

Corsair Ax Series, Ax760, 760 Watt, 80+ Platinum Certified, Fully Modular Power Supply

CORSAIR
CP-9020045-NA
15.41 X 8.87 X 5.95 Inches
7.81 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bayside Resale 6.81

Features

The latest ATX12V v2.31 and EPS 2.92 standards and it is backward compatible with ATX12V 2.2 and ATX12V 2.01 systems

Silent at low to moderate load due to high efficiency and zero RPM fanless mode. Ultra quiet at high loads with 120mm dual-ball bearing fan

80PLUS Platinum certified, delivering over 92% energy efficiency at real world load conditions

Active Power Factor Correction (PFC) with PF value of 0.99

Universal AC input from 90~264V

A dedicated single +12V rail offers maximum compatibility with the latest components

Over-voltage and over-current protection, under-voltage protection, and short circuit protection provide maximum safety to your critical system components

A Seven year warranty and lifetime access to Corsair’s legendary technical support and customer service

#TOP8

Corsair Cp-8920145 Premium Psu Cable Kit, Individually Sleeved Cables, Starter Package, Red, For Corsair Psus

CORSAIR
CP-8920145
29.50 X 0.20 X 0.20 Inches
1.26 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ZAR Systems Germany 5.09

Features

In-line capacitors on ATX 24-pin, EPS12V/ATX12V, and PCIe cables ensures clean voltage

Paracord sleeves: Flexible paracord material for easy cable routing

Heat shrink-less connectors: Maintain streamlined design

1 Year Warranty

ATX 24-pin 1x 610 mm / EPS12V/ATX12V 4+4-pin 1x 750 mm / PCIe 6+2-pin, single connector 2x 650 mm

#TOP9

Corsair Cmpsu-550Vx 550-Watt Vx Series 80 Plus Certified Power Supply Compatible With Core I7 And Core I5

CORSAIR
CMPSU-550VX
5.51 X 5.91 X 3.39 Inches
6.15 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bayside Resale 6.80

Features

Dedicated +12V rail offers maximum compatiblity with latest components

6 Serial ATA connectors

Over Current/Voltage/Power Protection

Dimensions: 150mm(W)x86mm(H)x140mm(l)

MTBF: 100,000 hours

#TOP10

Corsair Axi Series, Ax1600I, 1600 Watt, 80+ Titanium Certified, Fully Modular - Digital Power Supply (Cp-9020087-Na)

CORSAIR
CP-9020087-NA
7.87 X 5.91 X 3.39 Inches
5.84 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autocare Depot 9.60

Features

Delivers 1600W of continuous ultra-stable 80 PLUS Titanium efficiency power

100% 105°C Japanese capacitors top-specification internal components and digital design deliver over 94% efficiency

The only enthusiast PSU to use Totem-pole PFC Gallium Nitride (GaN) transistors for superior efficiency in a smaller form-factor over traditional silicon parts

World Class Electrical Performance for incredibly stable voltages and ultra-low ripple noise

Powerful CORSAIR LINK software monitoring and control allows you to supervise and adjust PSU power settings and switch from single to multi overcurrent protection (OCP) on-the-fly

Top 10 power supplies Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Corsair 31

Top 10 power supplies Brands Pie Chart


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