Best Short Circuit Protection Power Supplies in 2026

Daisy
Last Updated: Jan 23, 2026

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

Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W 80+ Platinum ATX12V & EPS12V Full Modular 120mm FDB Fan Compact 140 mm Size Power Supply
#TOP1
Seasonic Focus Plus 550 Platinum Ssr-550Px 550W 80+
9.8
PM SCORE
Seasonic FOCUS Plus 750 Gold SSR-750FX 750W 80+ Gold ATX12V & EPS12V Full Modular 120mm FDB Fan Compact 140 mm Size Power Supply
#TOP2
Seasonic Focus Plus 750 Gold Ssr-750Fx 750W 80+
9.7
PM SCORE
Seasonic FOCUS Plus 750 Platinum SSR-750PX 750W 80+ Platinum ATX12V & EPS12V Full Modular 120mm FDB Fan Compact 140 mm Size Power Supply
#TOP3
Seasonic Focus Plus 750 Platinum Ssr-750Px 750W 80+
9.7
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

Market Overview
Short Circuit Protection Power Supplies Reviewed
  • Reviews Analyzed: 8853 Items
  • PM Avg. Rating: 8.2 / 10
20 Products Evaluated
  • Highest Price: $586.86
  • Lowest Price: $98.68
  • Avg. Price: $226.78
#TOP1

Seasonic Focus Plus 550 Platinum Ssr-550Px 550W 80+ Platinum Atx12V & Eps12V Full Modular 120Mm Fdb Fan Compact 140 Mm Size Power Supply

SEASONIC
SSR-550PX
5.51 X 5.91 X 3.40 Inches
3.53 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nspire Store 9.80

Features

COMPACT SIZE - 140 MM DEEP; High power output to size ratio.

FULL MODULAR; use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS PLATINUM; 90% efficient at 20% load, 92% efficient at 50% load, and 89% efficient at 100% load.

HYBRID SILENT FAN CONTROL; The industry's first, Seasonic patented, advanced three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.

10 YEAR WARRANTY; Our commitment to superior quality.

#TOP2

Seasonic Focus Plus 750 Gold Ssr-750Fx 750W 80+ Gold Atx12V & Eps12V Full Modular 120Mm Fdb Fan Compact 140 Mm Size Power Supply

SEASONIC
SSR-750FX
7.28 X 12.44 X 4.69 Inches
3.53 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ideabuy 9.83

Features

COMPACT SIZE - 140 MM DEEP; High power output to size ratio.

FULL MODULAR; use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS GOLD; 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.

HYBRID SILENT FAN CONTROL; The industry's first, Seasonic patented, advanced three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.

10 YEAR WARRANTY; Our commitment to superior quality.

#TOP3

Seasonic Focus Plus 750 Platinum Ssr-750Px 750W 80+ Platinum Atx12V & Eps12V Full Modular 120Mm Fdb Fan Compact 140 Mm Size Power Supply

SEASONIC
SSR-750PX
5.51 X 5.91 X 3.40 Inches
3.53 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hot Deals 4 Less® 9.69

Features

COMPACT SIZE - 140 MM DEEP; High power output to size ratio.

FULL MODULAR; use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS PLATINUM; 90% efficient at 20% load, 92% efficient at 50% load, and 89% efficient at 100% load.

HYBRID SILENT FAN CONTROL; The industry's first, Seasonic patented, advanced three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.

10 YEAR WARRANTY; Our commitment to superior quality.

#TOP4

Seasonic Focus Plus 550 Gold Ssr-550Fx 550W 80+ Atx12V & Eps12V Full 120Mm Fdb Fan Compact 140 Mm Size Power Supply, Gold Modular Fx

SEASONIC
SSR-550FX
5.90 X 5.50 X 3.40 Inches
3.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bayside Resale 7.03

Features

COMPACT SIZE - 140 MM DEEP; High power output to size ratio.

FULL MODULAR; use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS GOLD; 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.

HYBRID SILENT FAN CONTROL; The industry's first, Seasonic patented, advanced three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.

10 YEAR WARRANTY; Our commitment to superior quality.

#TOP5

Seasonic Focus Plus 850 Platinum Ssr-850Px 850W 80+ Platinum Atx12V & Eps12V Full Modular 120Mm Fdb Fan Compact 140 Mm Size Power Supply

SEASONIC
SSR-850PX
5.51 X 5.91 X 3.40 Inches
6.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Kaiser T 8.29

Features

COMPACT SIZE - 140 MM DEEP; High power output to size ratio.

FULL MODULAR; use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS PLATINUM; 90% efficient at 20% load, 92% efficient at 50% load, and 89% efficient at 100% load.

HYBRID SILENT FAN CONTROL; The industry's first, Seasonic patented, advanced three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.

10 YEAR WARRANTY; Our commitment to superior quality.

#TOP6

Seasonic Focus Plus 850 Gold Ssr-850Fx 850W 80+ Gold Atx12V & Eps12V Full Modular 120Mm Fdb Fan Compact 140 Mm Size Power Supply

SEASONIC
SSR-850FX
5.51 X 5.91 X 3.39 Inches
3.53 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CE Showroom 9.89

Features

COMPACT SIZE - 140 mm DEEP; High power output to size ratio

FULL MODULAR; use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS GOLD; 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.

HYBRID SILENT FAN CONTROL; The industry's first, Seasonic patented, advanced three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.

10 YEAR WARRANTY; Our commitment to superior quality.

#TOP7

Seasonic Prime 750 Titanium Ssr-750Tr 750W 80+ Titanium Atx12V & Eps12V Full Modular 135Mm Fdb Fan Power On Self Tester 12 Year Warranty Power Supply

SEASONIC
SSR-750TR
6.69 X 5.91 X 3.39 Inches
3.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BeachAudio 9.73

Features

MICRO TOLERANCE LOAD REGULATION (0.5 %); Seasonic's latest design keeps the output voltage within a very tight range

FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS TITANIUM - 92% efficient at 20% load, 94% efficient at 50% load, 90% efficient at 100% load

PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.

12 YEAR WARRANTY - Our commitment to superior quality.

#TOP8

Seasonic Focus 550 Gold Ssr-550Fm 550W 80+ Gold Atx12V & Eps12V Semi-Modular 7 Year Warranty Compact 140 Mm Size Power Supply

SEASONIC
1
5.50 X 6.00 X 3.40 Inches
9.29 Kilograms
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
True Mart LLC 7.40

Features

COMPACT SIZE - 140 MM DEEP; High power output to size ratio.

SEMI-MODULAR; The semi-modular cabling design provides the most common connections while allowing flexibility on the peripherals.

80 PLUS GOLD; 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.

120 mm FLUID DYNAMIC BEARING FAN; The 120 mm FDB fan inside is regulated by the Seasonic S2FC fan control, which optimizes the fan speed according to the needs of the system.

7 YEAR WARRANTY; Our commitment to superior quality.

#TOP9

Seasonic Focus 650 Gold Ssr-650Fm 650W 80+ Gold Atx12V & Eps12V Semi-Modular 7 Year Warranty Compact 140 Mm Size Power Supply

SEASONIC
1
5.50 X 6.00 X 3.40 Inches
5.65 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autocare Depot 9.60

Features

COMPACT SIZE - 140 MM DEEP; High power output to size ratio.

SEMI-MODULAR; The semi-modular cabling design provides the most common connections while allowing flexibility on the peripherals.

80 PLUS GOLD; 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.

120 mm FLUID DYNAMIC BEARING FAN; The 120 mm FDB fan inside is regulated by the Seasonic S2FC fan control, which optimizes the fan speed according to the needs of the system.

7 YEAR WARRANTY; Our commitment to superior quality.

#TOP10

Seasonic S12Ii 520 Ss-520Gb 520W 80+ Bronze Atx12V & Eps12V Direct Cable Wire 105 °C Japanese Capacitor Power Supply

SEASONIC
S12II 520 BRONZE, SS-520GB
5.90 X 3.40 X 5.50 Inches
5.16 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
USA BUY 9.28

Features

105 °C JAPANESE CAPACITOR; Highly reliable, quality components.

DIRECT CABLE WIRE OUTPUT; all the cables needed most commonly used for a PC system

80 PLUS BRONZE - 82% efficient at 20% load, 85% efficient at 50% load, and 82% efficient at 100% load.

120 mm FLUID DYNAMIC BEARING FAN; The 120 mm FDB fan inside is regulated by the Seasonic S2FC fan control, which optimizes the fan speed according to the needs of the system.

5 YEAR WARRANTY; Our commitment to superior quality.

#TOP11

Seasonic S12Ii 620 Ss-620Gb 620W 80+ Bronze Atx12V & Eps12V Direct Cable Wire 105 °C Japanese Capacitor Power Supply

SEASONIC
S12II 620 BRONZE, SS-620GB
5.90 X 3.40 X 5.50 Inches
5.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
USA BUY 9.29

Features

105 °C JAPANESE CAPACITOR; Highly reliable, quality component.

DIRECT CABLE WIRE OUTPUT; all the cables needed most commonly used for a PC system

80 PLUS BRONZE - 82% efficient at 20% load, 85% efficient at 50% load, and 82% efficient at 100% load.

120 mm FLUID DYNAMIC BEARING FAN; The 120 mm FDB fan inside is regulated by the Seasonic S2FC fan control, which optimizes the fan speed according to the needs of the system.

5 YEAR WARRANTY; Our commitment to superior quality.

#TOP12

Seasonic M12Ii Evo 520 Ss-520Gm2 520W 80+ Bronze Evo Edition Atx12V & Eps12V Full Modular 105 °C Japanese Capacitor Power Supply

SEASONIC
SS-520GM2
5.90 X 3.40 X 5.50 Inches
5.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
USA BUY 9.30

Features

105 °C JAPANESE CAPACITOR; Highly reliable, quality components.

FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS BRONZE - 82% efficient at 20% load, 85% efficient at 50% load, and 82% efficient at 100% load.

120 mm FLUID DYNAMIC BEARING FAN; The 120 mm FDB fan inside is regulated by the Seasonic S2FC fan control, which optimizes the fan speed according to the needs of the system.

5 YEAR WARRANTY; Our commitment to superior quality.

#TOP13

Seasonic Platinum Platinum-860 ; Ss-860Xp2 Power Supply

SEASONIC
PLATINUM-860 ; SS-860XP2
7.48 X 3.39 X 5.91 Inches
4.63 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
USA BUY 9.29

Features

Total Power: 860 Watt

Input Voltage: 100 ~ 240 V

Input Frequency Range: 50/60 Hz

Input Current: 13.0 ~ 6.5 A

Cooling System: 1x Sanyo-Denki San Ace Silent Fan

#TOP14

Seasonic Prime 1300 Gold Ssr-1300Gd 1300W 80+ Gold Atx12V & Eps12V Full Modular 135Mm Fdb Fan Power On Self Tester Power Supply

SEASONIC
SSR-1300GD
13.50 X 8.00 X 5.50 Inches
2.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Triplenet Pricing INC 9.81

Features

MICRO TOLERANCE LOAD REGULATION (0.5 %); This impressive electrical performance and stability makes this power supply an ideal choice for high-performance systems.

FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS GOLD - 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.

PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.

12 YEAR WARRANTY - Our commitment to superior quality.

#TOP15

Seasonic Prime 750 Gold Ssr-750Gd2 750W 80+ Gold Atx12V & Eps12V Full Modular 135Mm Fdb Fan Power On Self Tester Power Supply

SEASONIC
SSR-750GD2
13.30 X 8.00 X 5.30 Inches
3.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Nspire Store 9.80

Features

MICRO TOLERANCE LOAD REGULATION (0.5 %); This impressive electrical performance and stability makes this power supply an ideal choice for high-performance systems.

FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS GOLD - 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.

PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.

12 YEAR WARRANTY - Our commitment to superior quality.

#TOP16

Seasonic Prime 850 Platinum Ssr-850Pd 850W 80+ Platinum Atx12V & Eps12V Full Modular 135Mm Fdb Fan Power On Self Tester Power Supply

SEASONIC
SSR-850PD (ULTRA)
6.70 X 6.00 X 3.40 Inches
4.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sysmel 6.52

Features

MICRO TOLERANCE LOAD REGULATION (0.5 %); This impressive electrical performance and stability makes this power supply an ideal choice for high-performance systems.

FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS Platinum - 90% efficient at 20% load, 92% efficient at 50% load, and 89% efficient at 100% load.

PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.

12 YEAR WARRANTY - Our commitment to superior quality.

#TOP17

Seasonic Prime 850 Gold Ssr-850Gd 850W 80+ Gold Atx12V & Eps12V Full Modular 135Mm Fdb Fan Power On Self Tester Power Supply

SEASONIC
SSR-850GD2
13.30 X 8.00 X 5.30 Inches
5.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IPC-STORE✅ 9.83

Features

MICRO TOLERANCE LOAD REGULATION (0.5 %); This impressive electrical performance and stability makes this power supply an ideal choice for high-performance systems.

FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS GOLD - 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.

PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.

12 YEAR WARRANTY - Our commitment to superior quality.

#TOP18

Seasonic Prime 650 Titanium Ssr-650Tr 650W 80+ Titanium Atx12V & Eps12V Full Modular 135Mm Fdb Fan Power On Self Tester 12 Year Warranty Power Supply

SEASONIC
SSR-650TR
3.39 X 6.69 X 5.91 Inches
3.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
USA BUY 9.30

Features

MICRO TOLERANCE LOAD REGULATION (0.5 %); Seasonic's latest design keeps the output voltage within a very tight range

FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS TITANIUM - 92% efficient at 20% load, 94% efficient at 50% load, 90% efficient at 100% load

PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.

12 YEAR WARRANTY - Our commitment to superior quality.

#TOP19

Seasonic Prime Snow Silent 550 Gold Ssr-550Gd2 550W 80+ Gold Atx12V & Eps12V Full Modular 135Mm Fdb Fan Power On Self Tester 12 Year Warranty Power Supply Color White

SEASONIC
PRIME SNOWSILENT 550 GOLD
13.25 X 5.25 X 8.00 Inches
6.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
USA BUY 9.30

Features

MICRO TOLERANCE LOAD REGULATION (0.5 %); Seasonic's latest design keeps the output voltage within a very tight range

FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS GOLD - 87% efficient at 20% load, 90% efficient at 50% load, 87% efficient at 100% load

PREMIUM HYBRID FAN CONTROL; a state-of-the-art fan control that enables users to keep the overall fan noise at the lowest possible level.

12 YEAR WARRANTY - Our commitment to superior quality.

#TOP20

Seasonic Prime 600 Titanium Ssr-600Tl 600W 80+ Titanium Atx12V & Eps12V Fanless Super Quiet 12 Year Warranty Power Supply

SEASONIC
SSR-600TL
6.69 X 5.91 X 3.39 Inches
2.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IPC-STORE✅ 9.83

Features

MICRO TOLERANCE LOAD REGULATION (0.5 %); Seasonic's latest design keeps the output voltage within a very tight range

FULL MODULAR - use only the cables you need to reduce clutter and improve airflow for a better ventilated system.

80 PLUS TITANIUM - 92% efficient at 20% load, 94% efficient at 50% load, 90% efficient at 100% load

TRUE FANLESS DESIGN; This innovative model is carefully engineered to the point where its highly effective passive cooling components do not add bulkiness, yet they are able to efficiently dissipate excess heat from around the components.

12 YEAR WARRANTY - Our commitment to superior quality

Top 10 power supplies Brands on Amazon

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

Brand Count
Seasonic 20

Top 10 power supplies Brands Pie Chart


We've carried out a comprehensive analysis of 8,853 reviews on power supplies, using our selection criteria to identify the best options in the computers & accessories. Our findings reveal that most customers typically select power supplies priced around $226.78, with top brands including corsair, thermaltake, gamemax, apevia, evga, amazon basics, vlifree and wanptek and segotep

Our team of expert editors reviewed these high-quality items and handpicked the top 20 power supplies for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the computers & accessories category. These include amazon.com, gamemaxdirect, apevia, geektown (daily expedited shipping) ✅, infinityproduct, what a deal!, triplenet pricing inc, amazon warehouse and wanptek and segotep inc (usa) .

We are dedicated to assisting our users in finding the right supplies Products based on their needs, saving them considerable time when choosing which power supplies to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.