Top 9 Fanless Power Supply – Computer Power Supplies

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1. Seasonic

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Perfect Power Supply for Gaming and Various Application, 550W, Seasonic FOCUS GX-550, Silent, Fan Control in Fanless, Full-Modular, and Cooling Mode, SSR-550FX.

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Seasonic #ad - 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.

10 year worry-free warranty: Our commitment to superior quality. The fan control button at the back of the power supply allows users to customize cooling needs by selecting between Seasonic S2FC fan control without Fanless Mode and S3FC fan control including Fanless Mode. Compact size: 140 mm deep fits ALL ATX systems. Premium hybrid fan control: unsurpassed silent performance in fanless Mode.
BrandSeasonic #ad
ManufacturerSeasonic #ad
Height4.53 Inches
Length12.2 Inches
Weight3.31 Pounds
Width7.09 Inches
Part NumberFOCUS GX-550
ModelFOCUS GX-550
Warranty10 years

2. Mistel

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Full Modular Power Supply for PC, Mistel Vision MX650 Fanless Power Supply with 650W 80 Plus Platinum Certified Fanless Modular PSU, Featuring with RGB LED Power Supply Controlled via Motherboard

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Mistel #ad - Fanless and full power at 40°c: fanless psu design creates a 0 dba soundless operation for home and theater/noise sensitive systems with a full power output at 40°C/104°F ambient. Output protection: opp, ovp, otp, ocp, scp, no-load situation and reset after shutdown which brings more protection when the power supply is running.

Mistel pc power supply not only brings a high performance but also maximizes fan-less cooling efficiency when your PC is running the power supply. Psu with high quality of design: including japanese capacitors, dual heat sink and extra custom heat Sink. 80plus platinum certified super high efficiency: mistel fanless power supply dc connector module with Integrated Voltage Regulator Module DC to DC Converter Design.

It offers users a whole new experience of quietness and stability. Extra components equipped which bring more enjoyment and performance:mistel mx series 650w power supply is integrated with RGB LED connector, modularized EMI Filter and Mn-Zn super core-loss inductor.
BrandMistel #ad
ManufacturerMistel #ad
Part NumberMX Vision
ModelMX650FL-P

3. Cooler Master

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80 Plus Bronze Certified, Cooler Master MasterWatt 750 Watt Semi-fanless Modular Power Supply

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Cooler Master #ad - Semi-fanless up till 15% load. 750w semi-modular ATX Power supply. Dc-to-dc circuit design for stable voltage output. Temperature controlled 120 millimeter fan with dustproof LDB bearing. Thicker 16awg pcie cables to support the latest graphics cards. 80 plus Bronze certified. 5 years.
BrandCooler Master #ad
ManufacturerCooler Master USA, Inc. #ad
Height3.38 Inches
Length5.51 Inches
Weight4.47 Pounds
Width5.9 Inches
Part NumberMPX-7501-AMAAB-US
ModelMPX-7501-AMAAB-US
Warranty5 years

4. Seasonic

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And Cooling Mode, SSR-750FX., Silent, Perfect Power Supply for Gaming and Various Application, Full-Modular, 750W 80+ Gold, Fan Control in Fanless, Seasonic FOCUS GX-750

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Seasonic #ad - The fan control button at the back of the power supply allows users to customize cooling needs by selecting between Seasonic S2FC fan control without Fanless Mode and S3FC fan control including Fanless Mode.

80 plus gold: less energy gets wasted during power conversion; Cut down your electricity usage and be Eco-Friendly. Compact size: 140 mm deep fits ALL ATX systems. Premium hybrid fan control: unsurpassed silent performance in fanless Mode. 10 year worry-free warranty: Our commitment to superior quality. Full modular: use only the cables you need to reduce clutter to maximize airflow for a better ventilated system.
BrandSeasonic #ad
ManufacturerSeasonic #ad
Height4.53 Inches
Length12.2 Inches
Weight3.53 Pounds
Width7.09 Inches
Part NumberFOCUS GX-750
ModelFOCUS GX-750
Warranty10 years

5. SilverStone Technology

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SilverStone Technology SST-NJ450-SXL Small Form Factor 100% Fanless Fully Modular SFX-L 450 W 80 Plus Platinum Power Supply

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SilverStone Technology #ad - 100% modular short cables with flexible flat arrays. Pci-e 8pin and pci-E 6pin connectors support. 24/7 continuous power output with 40℃ operating temperature. High efficiency with 80 plus platinum level of efficiency. Fan-less thermal solution, 0 dBA acoustics. Sfx-l form factor for use in small form factor computers. Class-leading single +12V rail.
BrandSilverStone Technology #ad
ManufacturerSilverStone Technology #ad
Height4.92 Inches
Length5.12 Inches
Weight3.36 Pounds
Width2.5 Inches
Part NumberSST-NJ450-SXL
ModelSST-NJ450-SXL
Warranty3 Year Parts and Labor

6. Seasonic

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Gold Modular FX, Seasonic FOCUS Plus 550 Gold SSR-550FX 550W 80+ ATX12V & EPS12V Full 120mm FDB Fan Compact 140 mm Size Power Supply

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Seasonic #ad - Hybrid silent fan control; the industry's first, advanced three-phased thermal control achieves optimal between silence and cooling. 80 plus gold; 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load. Compact size - 140 mm deeP; High power output to size ratio. 10 year warranty; our commitment to superior quality. This hybrid silent fan control functions in three operational stages: Fanless Mode, Silent Mode, Seasonic patented, and Cooling Mode. Full modular; use only the cables you need to reduce clutter and improve airflow for a better ventilated system.
BrandSeasonic #ad
ManufacturerSeasonic #ad
Height3.4 Inches
Length5.9 Inches
Weight3.31 Pounds
Width5.5 Inches
Part NumberSSR-550FX
ModelSSR-550FX
Warranty10 years manufacturer direct warranty

7. Seasonic

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Seasonic PRIME 600 Titanium SSR-600TL 600W 80+ Titanium ATX12V & EPS12V Fanless Super Quiet 12 Year Warranty Power Supply

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Seasonic #ad - 80 plus titanium - 92% efficient at 20% load, 94% efficient at 50% load, 90% efficient at 100% load. 12 year warranty - Our commitment to superior quality.

Micro tolerance load regulation 05 %; 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. 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.
BrandSeasonic #ad
ManufacturerSeasonic #ad
Height3.39 Inches
Length6.69 Inches
Weight2.2 Pounds
Width5.91 Inches
Part NumberSSR-600TL
ModelSSR-600TL
Warranty12 years

8. Seasonic

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Seasonic PRIME FANLESS PX-500, 12 Year Warranty, Full Modular, ATX12V & EPS12V, Perfect Power Supply for situations that demand silence from the equipment, True Fanless Design, 500W 80+ Platinum

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Seasonic #ad - Fanless design - silent operation does not only provide a more pleasant working environment but also results in less power consumption and lower utility bills.

12 year worry-free warranty: Our commitment to superior quality. 80 plus platinum - less energy gets wasted during power conversion; Cut down your electricity usage and be Eco-Friendly. Full modular - use only the cables you need to reduce clutter and improve airflow for a better ventilated system. Micro tolerance load regulation under 05 %: this impressive electrical performance and stability makes this power supply an ideal choice for high-performance systems.
BrandSeasonic #ad
ManufacturerSeasonic #ad
Height3.4 Inches
Length5.5 Inches
Width5.9 Inches
Part NumberPRIME FANLESS PX-500
ModelPRIME FANLESS PX-500
Warranty12 years

9. SUPER FLOWER

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Fluid Dynamic Bearing Fan, Full Modular Power Supply, Super Flower Leadex III Gold 850W 80+ Gold, ECO Fanless & Silent Mode, SF-850F14HG 850W

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SUPER FLOWER #ad - 100% satisfaction guaranteed- we provide a ten-year warranty that covers any manufacturing defects for this Super Flower products as well as free shipping for change.

Leadex iii series psu are 80plus gold certified with 100% fully modular cable design, a brilliant idea to maximize PSU cables & connectors management to have the best cable routing solution, our R&D team's latest innovation, also increase case chassis air flow to have best cooling for your system. Leadex iii series psu provides high efficiency & stable power output and come with a 13cm three-way thermal control intelligent cooling fan to ensure your professional PC system will work under heavy load, also capable of powering your PC system equipped with NVIDIA SLI or ATI CrossFireX setup.
BrandSUPER FLOWER #ad
ManufacturerSuper Flower #ad
Weight6.35 Pounds
Part NumberSF-850F14HG
ModelSF-850F14HG