Top 10 450W SFX Power Supply – Computer Power Supplies

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1. SilverStone Technology

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SST-ST45SF-V3-USA, SilverStone Technology 450W SFX Form Factor 80 Plus Bronze Power Supply ST45SF-V3-USA

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SilverStone Technology #ad - Silent running 80mm fan V2. 0 . 80 plus bronze level efficiency 82%85% efficiency at 20%100% loading. 450w continuous power output at 50℃ temperature rated for 24/7 operation V2. 0 Supports standard SFX form factor and ATX via included bracket. Silent running 92mm fan V3. 0450w continuous power output at 40℃ temperature rated for 24/7 operation V3. 0 Class-leading single +12V rail with 36a.
BrandSilverStone Technology #ad
ManufacturerSilverStone Technology #ad
Height4 Inches
Length9 Inches
Width7 Inches
Part NumberSST-ST45SF-V3-USA
ModelSST-ST45SF-V3-USA
Warranty3 year parts and labor

2. FSP

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FSP 450W Mini ITX Solution/SFX 12V / Micro ATX 80 Plus Bronze Certified Power Supply FSP450-50SAC

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FSP #ad - 80mm intelligent fan speed control. Compliance with the newest sfX12V V3. 80plus bronze certified | efficiency = 85% at typical load. Full protections ocp, OPP, SCP, ovp, OTP. 3 | ul-62368. Black ribbon cables w/ PS2 bracket for easy fitting into ATX case.
BrandFSP #ad
ManufacturerFSP Group U.S.A. Corporation #ad
Height2.5 Inches
Length5 Inches
Weight2.85 Pounds
Width4 Inches
Warranty3 year

3. SilverStone Technology

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SilverStone Technology 450W SFX Form Factor 80 Plus Bronze Power Supply with +12V Single Rail, Active PFC ST45SF

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SilverStone Technology #ad - 450w continuous power output at 50℃. Active pfc. Support standard SFX form factor and ATX via included bracket. Class-leading single +12V rail with 36A. Please note: kIndly refer the User Manual before use. 80 plus bronze level efficiency.
BrandSilverStone Technology #ad
ManufacturerSilverstone #ad
Height3 Inches
Length10 Inches
Weight3 Pounds
Width8 Inches
Part NumberSST-ST45SF
ModelSST-ST45SF
Warranty1 YEAR

4. Thermaltake

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Thermaltake Toughpower SFX 450W 80+ Gold Fully Modular SFX 12V 3.3/ATX 12V 2.4 Power Supply 7 YR Warranty PS-STP-0450FPCGUS-G

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Thermaltake #ad - Zero rpm smart fan control. 80 plus gold Certified. Atx psu bracket included. High quality Japanese capacitors. 7 year Warranty.
BrandThermaltake #ad
ManufacturerThermaltake USA Direct #ad
Height7 Inches
Length3.7 Inches
Weight3.2 Pounds
Width6.24 Inches
Part NumberPS-STP-0450FPCGUS-G
ModelPS-STP-0450FPCGUS-G
Warranty7 years

5. Corsair

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Corsair SF Series, 450 Watt, 80+ Gold Certified, SF450, Fully Modular Power Supply, SFX

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Corsair #ad - Zero rpm fan mode: virtually silent operation at low and medium loads. 80 plus gold certified: High efficiency operation for less excess heat and lower operating costs. Seven year warranty: Your guarantee of reliable operation that will last across several system builds. Fully modular: make your builds and upgrades easy, with clean, great-looking results. Sfx form factor: high end performance in a small form factor. 100% japanese 105 electrolytic capacitors: Premium internal components ensure solid power delivery andlong term reliability.
BrandCorsair #ad
ManufacturerCorsair #ad
Height3.9 Inches
Length4.9 Inches
Weight1 Pounds
Width2.5 Inches
Part NumberCP-9020104-NA
ModelCP-9020104-NA
Warranty2 Years

6. 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 - Sfx-l form factor for use in small form factor computers. Class-leading single +12V rail. Pci-e 8pin and pci-E 6pin connectors support. Fan-less thermal solution, 0 dBA acoustics. 100% modular short cables with flexible flat arrays. 24/7 continuous power output with 40℃ operating temperature. High efficiency with 80 plus platinum level of efficiency.
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

7. Corsair

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80+ Platinum Certified, SF450, SFX, Corsair SF Series, Fully Modular Power Supply Renewed, 450 Watt

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Corsair #ad - 92mm cooling fan delivers Low-Noise operation even at demanding loads. Compact sfx form-factor to power the world's best small form Factor PCs. Individually sleeved, fully modular cables make building a great looking PC easy. Zero rpm fan mode for near-silent operation at low to medium loads. 80 plus platinum Certified for ultra-high efficiency operation.
BrandCorsair #ad
ManufacturerCorsair #ad
Height2.5 Inches
Length3.94 Inches
Width4.92 Inches
Part NumberCP-9020181-NA-cr
Warranty90 days limited warranty

8. Corsair

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450 Watt, Corsair SF Series, SF450, Fully Modular Power Supply, 80+ Gold Renewed

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Corsair #ad - This certified refurbished product is tested and certified to look and work like new. 100% japanese 105 electrolytic capacitors: Premium internal components ensure solid power delivery andlong term reliability.

Fully modular: make your builds and upgrades easy, with clean, great-looking results. Sfx form factor: high end performance in a small form factor. The product ships with all relevant accessories, basic cleaning, a minimum 90-day warranty, and may arrive in a generic box.880 plus gold certified: High efficiency operation for less excess heat and lower operating costs. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon. Com. The refurbishing process includes functionality testing, inspection, and repackaging.
BrandCorsair #ad
ManufacturerCorsair #ad
Height3.9 Inches
Length4.9 Inches
Width2.5 Inches
Part NumberCP-9020104-NA-cr
Warranty90 days limited warranty

9. Apevia

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APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply

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Apevia #ad - All cables are Sleeved. Cooling: 1 x 80mm automatically Thermal Sensing Fan. Connectors: 1 x 20+4pin main power, 1 x 6/8pin pcie, 2 x 4pin Molex, 2 x sata, 1 x 4pin 12VP4, 1 x 4pin Floppy. Output: +3. [email protected], [email protected], [email protected], [email protected], [email protected] Dimension: 125mm x 100mm x 63. 5mm 4. 92" x 3. 94" x 2. 5" - l x w x H. Apevia sfx-ap400w mini itx solution / micro atx / SFX 400W Power Supply.
BrandApevia #ad
ManufacturerApevia #ad
Height2.5 Inches
Length5 Inches
Weight2.1 Pounds
Width4 Inches
Part NumberSFX-AP400W 
ModelSFX-AP400W 
Warranty1 Year

10. EVGA

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7 Year Warranty, EVGA SuperNOVA 450 GM, Power Supply 123-GM-0450-Y1, SFX Form Factor, ECO Mode with DBB Fan, Fully Modular, Includes Power ON Self Tester, 80 Plus Gold 450W

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EVGA #ad - 7 year. 80 plus gold certified, with 90% 115vac / 92% 220vAC~240VAC efficiency or higher under typical loads. Heavy-duty protections, opp, uvP, OCP, including OVP, and SCP. Fan size/ bearing: 92mm double Ball Bearing. 450w sfx form factor.
BrandEVGA #ad
ManufacturerEVGA #ad
Height7.68 Inches
Length10.55 Inches
Weight2 Pounds
Width3.82 Inches
Part Number450 GM
Model123-GM-0450-Y1
Warranty7 Years