The Best itx power supply of 2021 – Top 10 and Rankings

If you’re looking for itx power supply but don’t know which one is the best, we recommend the first out of 10 itx power supply in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

SaleRank No. #1
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
SaleRank No. #2
APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply
  • APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply
  • Cooling: 1 x 80mm Automatically Thermal Sensing Fan. All Cables are Sleeved
  • Connectors: 1 x 20+4pin Main Power, 1 x 4pin 12V(P4), 1 x 6/8pin PCIe, 2 x SATA, 2 x 4pin Molex, 1 x 4pin Floppy
  • Output: +3.3V@12A, +5V@12A, +12V@28A, -12V@0.3A, +5Vsb@2.5A
  • Dimension: 125mm x 100mm x 63.5mm (4.92" x 3.94" x 2.5") - L x W x H
Rank No. #3
Apevia ITX-AP300W Mini-ITX / Flex ATX 300W Solid Power Supply - Black
  • Standard Mini-ITX / FLEX ATX type, Maximum Power: 300W
  • Cooling: Forced Air Ventilation by 1 x 40mm Double Ball Bearing Fan
  • Connectors: 1 x 20+4pin Main Power, 1 x 4pin 12V(P4), 2 x SATA, 2 x 4pin Molex, 1 x 4pin Floppy
  • Output: +3.3V@12A, +5V@12A, +12V@20A, -12V@0.3A, +5Vsb@2.5A
  • Dimension: 150mm x 81.5mm x 40.5mm (5.9" x 3.21" x 1.59") - L x W x H
Rank No. #4
FSP Mini ITX Solution/Flex ATX 500W Efficiency ≥90% Full Range Active PFC Power Supply (Flex Guru 500W)
  • Meets 80 Plus Gold ≥ 90% Efficiency | Compliant with latest UL standard 62368 and 60950 standards
  • Comes with a 1U mounting bracket
  • Intelligent fan speed control with ball bearing fan| black coat finish |Direct cable output
  • Powerful single +12V rail design |100% Japanese made electrolytic capacitors
  • Full protections: OVP, SCP, OPP, OTP| 5 Year Warranty
Rank No. #5
FSP 450W Mini ITX Solution/SFX 12V / Micro ATX 80 Plus Bronze Certified Power Supply (FSP450-50SAC)
  • Compliance with the newest SFX12V V3. 3 | UL-62368
  • 80Plus Bronze certified | efficiency = 85% at typical load
  • 80mm intelligent fan speed control
  • Black ribbon cables w/ PS2 bracket for easy fitting into ATX case
  • Full protections OCP, OVP, SCP, OPP, OTP
SaleRank No. #6
Dell 3WN11 H240AS-00 240W ATX SFF M-ITX Power Supply D240A002L RV1C4 J50TW 2TXYM
  • Max Power Output: 240W
  • Compatible Systems: Optiplex 790, and 990 Small Form Factor (SFF)
  • Compatible Part Numbers: RV1C4, 0RV1C4, J50TW, 0J50TW, 2TXYM, 02TXYM, 3WN11, 03WN11, 709MT, 0709MT, 592JG, 0592JG, 66VFV, 066VFV
  • Compatible Model Numbers: AC240AS-00, L240AS-00, AC240ES-00, H240AS-00, H240ES-00, D240ES-00, DPS-240WB
  • Dell D240A002L
SaleRank No. #7
Optimal Shop 20+4 Pin LCD Computer Power Supply Tester for SATA IDE HDD ATX ITX BYI Connectors-Black
  • 8-in-1 ATX power supply tester: Support testing 20-pin IDE/24-pin IDE/HDD/floppy disk 4-pin/PCI-e 6-pin/4-pin/8-pin/SATA connector.
  • Aluminum alloy shell: light and easy to carry, high strength, good thermal conductivity and corrosion resistance.
  • 1.8" LCD screen: The output voltage is displayed on the 1.8" LCD screen, which is easy to read (1.8" LCD screen is powered by the 20-pin/24-pin connector). Note: Is there a scratch on the product screen? Because the screen is easy to scratch, we put a protective film on it, if you think it is not beautiful, you can tear it off by yourself.
  • Buzzer alarm: When your power supply PG number fails, the power tester will emit a buzzer alarm, which is easy to know.
  • When testing with HDD/floppy disk 4-pin/PCI-e 6-pin/4-pin/8-pin/SATA connector, the indicator on the left shows the output voltage (+12V + 3.3V + 5V).
SaleRank No. #8
SilverStone Technology Thin-Mini ITX Aluminum Case with 120W External Power Adapter (PT13B-120)
  • Thin Mini-ITX compatible
  • Super small at 1.4 liters
  • Include vertical stand holder
  • Meet VESA Mounting Interface Standard
  • Includes 120W adaptor
SaleRank No. #9
Corsair SF Series, SF600, 600 Watt, Fully Modular Power Supply, 80+ Gold Certified
  • SFX Form Factor: High end performance in a small form factor. ATX12V Vversion: v2.4. Ability to toggle single multiple 12V rails: no
  • 80 PLUS Gold certified: High efficiency operation for less excess heat and lower operating costs. Continuous output rated temperature is 40°C
  • 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. PATA Connector: 4
  • Zero RPM Fan Mode: Virtually silent operation at low and medium loads. MTBF hours-100,000 hours
SaleRank No. #10
Corsair RM Series, RM650, 650 Watt, 80+ Gold Certified, Fully Modular Power Supply, Modern Standby (CP-9020194-NA)
  • 80+ Gold certified: high efficiency operation for lower power consumption, less noise and cooler temperatures.
  • Tuned for low noise operation: a 140mm rifle Bearing fan with a specially calculated fan curve ensures that fan noise is kept to minimum, even at full load.
  • 105°C-rated capacitors: industrial-grade capacitors deliver solid electrical performance and reliability.
  • Zero RPM fan mode: at low and medium loads The cooling fan switches off entirely for near-silent operation.

How Do You Buy The Best itx power supply of 2021?

Do you get stressed out thinking about shopping for a great itx power supply? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching itx power supply, which is why we have assembled a comprehensive list of the greatest itx power supply available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for itx power supply that you consider buying. Your questions might include the following:

  • Is it worth buying an itx power supply?
  • What benefits are there with buying an itx power supply?
  • What factors deserve consideration when shopping for an effective itx power supply?
  • Why is it crucial to invest in any itx power supply, much less the best one?
  • Which itx power supply are good in the current market?
  • Where can you find information like this about itx power supply?

We’re convinced that you likely have far more questions than just these regarding itx power supply, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for itx power supply, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible itx power supply. Make sure that you are only using trustworthy and credible websites and sources.

We provide an itx power supply buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available itx power supply currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of itx power supply has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an itx power supply?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your itx power supply.
  5. Customer Ratings: Number ratings grade itx power supply objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their itx power supply.
  7. Product Quality: You don’t always get what you pay for with an itx power supply, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an itx power supply is should be an indication of how long it will work out for you.

We always remember that maintaining itx power supply information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding itx power supply is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.