10 Best Sfx Power Supplies 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

Corsair SF Series – ⭐ Best Overall Sfx Power Supply

CP-9020104-NA by Corsair

  • Release date: 03/08/2016
  • Color: 80 PLUS Gold
  • Weight: 1 pounds
  • Dimensions: 4.9 x 2.5 x 3.9 inches
  • Warranty: 2 Years
Corsair SF Series
  • SFX Form Factor: High end performance in a small form factor
  • 80 PLUS Gold certified: High efficiency operation for less excess heat and lower operating costs
  • Fully Modular: Make your builds and upgrades easy, with clean, great-looking results
  • 100% Japanese 105 electrolytic capacitors: Premium internal components ensure solid power delivery andlong term reliability
  • Zero RPM Fan Mode: Virtually silent operation at low and medium loads
  • Seven year warranty: Your guarantee of reliable operation that will last across several system builds

Cooler Master V750 SFX Gold Full Modular – 👑 Premium Pick

by Cooler Master

  • Release date: 11/17/2020
  • Color: 750
  • Weight: 3.88 pounds
  • Dimensions: 3.9 x 4.9 x 2.5 inches
  • Warranty: 10 year manufacturer
Cooler Master V750 SFX Gold Full Modular
  • SFX Form Factor: High-quality PSU that's compatible with all SFX cases and suitable for mini-ITX system builds.
  • SFX-to-ATX Bracket: With the included bracket, users can install the V SFX Gold securely to an ATX case.
  • 80 PLUS Gold Certified: This certification guarantees a typical efficiency of 90% under normal operating conditions.
  • 16 AWG PCI-e Cables: The thicker 16 AWG PCI-e cables allow for higher currents, thereby improving both efficiency and safety.
  • Full-Modular Cabling: Modular cables reduce clutter, increase airflow, and improve overall efficiency and thermal performance.
  • 10 Year Warranty

SilverStone Technology 800W SFX-L

SST-SX800-LTI-USA by SilverStone Technology

  • Release date: 01/01/2019
  • Dimensions: 5 x 5.1 x 2.5 inches
  • Warranty: 3 Years Parts and Labor
SilverStone Technology 800W SFX-L
  • 800W Continuous power output rated for 24/7 operation. Class-leading single +12V rail with 66a. Strict 3% Voltage regulation and low ripple & noise
  • High quality construction with all Japanese Capacitors
  • High efficiency with 80 PLUS Titanium certification
  • Silent running 120mm fan with advanced semi-fan less operation. Support Quad PCI-E 8/6pin connectors
  • 100% modular short cables with flexible flat arrays. Sfx-l form Factor for use in small form Factor computers

Seasonic FOCUS SGX-500

FOCUS SGX-500 by Seasonic

  • Release date: 08/21/2019
  • Dimensions: 9.5 x 6.7 x 3.7 inches
  • Warranty: 10 years
Seasonic FOCUS SGX-500
  • COMPACT SIZE: 125 mm (L) x 125 mm (W) x 63.5 mm (H).
  • FULL MODULAR: Use only the cables you need to reduce clutter to maximize airflow for a better ventilated system.
  • 80 PLUS GOLD: Less energy gets wasted during power conversion; Cut down your electricity usage and be Eco-Friendly.
  • PREMIUM HYBRID FAN CONTROL: Unsurpassed silent performance in Fanless Mode. Functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.
  • 10 YEAR WORRY-FREE WARRANTY: Our commitment to superior quality.

SilverStone Technology SST-SX700-G 700W SFX Fully Modular 80 Plus Gold

SST-SX700-G by SilverStone Technology

  • Release date: 08/01/2019
  • Weight: 3.09 pounds
  • Dimensions: 4.9 x 3.9 x 2.5 inches
  • Warranty: 3 Years Parts and Labor
SilverStone Technology SST-SX700-G 700W SFX Fully Modular 80 Plus Gold
  • Support Standard SFX form factor
  • Silent running 92mm FDB fan with 18 dBA minimum. All Japanese Capacitors
  • 100% modular cables. All cable with flexible flat arrays
  • High efficiency with 80 PLUS Gold certification
  • Class-leading single +12V rail. Strict 3% Voltage regulation and low ripple & noise

APEVIA SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply – 💲 Best Budget Sfx Power Supply

SFX-AP500W by Apevia

  • Release date: 02/19/2021
  • Dimensions: 4.9 x 3.9 x 2.5 inches
  • Warranty: 1 year
APEVIA SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply
  • Apevia 500W SFX Power Supply
  • Another view of the power supply
  • High stability with 5% tolerance of 5V, 3.3V & 12V output
  • Look at the label

SilverStone Technology Silverstone SX700-PT SFX 700W

SX700-PT by SilverStone Technology

  • Release date: 09/01/2019
  • Dimensions: 3.9 x 4.9 x 2.5 inches
  • Warranty: 1 year parts and labor
SilverStone Technology Silverstone SX700-PT SFX 700W
  • Support Standard SFX form factor
  • Silent running 92mm FDB fan with 18 dBA minimum
  • All Japanese Capacitors
  • High efficiency with 80 PLUS Platinum certification
  • Class-leading single +12V rail
  • Strict 3% Voltage regulation and low ripple & noise
  • 100% modular cables
  • All cable with flexible flat arrays

Silverstone SX750 v1.1

by SilverStone Technology

  • Release date: 12/01/2020
  • Warranty: 5Year Parts and Labor
Silverstone SX750 v1.1
  • Standard SFX form factor
  • Silent running 92mm dual ball bearing fan with minimum 0dBA
  • All Japanese capacitors
  • High efficiency with 80 PLUS Platinum certification
  • Class-leading single +12V rail
  • Strict ±3% voltage regulation and low ripple & noise
  • 100% modular cables
  • All cables with flexible flat arrays

SilverStone Technology SST-SX700-LPT-USA 700W

SST-SX700-LPT-USA by SilverStone Technology

  • Release date: 07/01/2019
  • Warranty: 3 Years Part and Labor
SilverStone Technology SST-SX700-LPT-USA 700W
  • 700W Continuous power output rated for 24/7 operation
  • High efficiency with 80 PLUS Platinum certification
  • Silent running 120mm fan with advanced semi-fanless operation
  • 100% modular short cables with flexible flat arrays
  • Support Quad PCI-E 8/6pin connectors

EVGA SuperNOVA 550 GM

123-GM-0550-Y1 by EVGA

  • Release date: 10/04/2018
  • Weight: 2 pounds
  • Dimensions: 10.6 x 3.8 x 7.7 inches
  • Warranty: 7 years
EVGA SuperNOVA 550 GM
  • 550W SFX form factor
  • 80 PLUS Gold certified, with 90% (115VAC) / 92% (220VAC~240VAC) efficiency or higher under typical loads
  • Fan Size/ Bearing: 92mm double Ball Bearing
  • Heavy-duty protections, including OVP, UVP, OCP, OPP, and SCP
  • 7 year

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