Top 10 1U Flex Power Supply – Computer Power Supplies

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1. SilverStone Technology

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SilverStone Technology 350 Watt Flex ATX Power Supply with Fixed Cables and 80 Plus Gold with 6Pin PCIe Connector SST-FX350-G-USA

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SilverStone Technology #ad - 350w continuous power output at 40℃ operating temperature rated for 24/7 operation. Class-leading single +12V rail. Support standard flex ATX Form Factor. Active PFC. High efficiency with 80 PLUS Gold certification. Support pCIe 6pin connector. Small form Factor PSU.
BrandSilverStone Technology #ad
ManufacturerSilverStone Technology #ad
Height5.91 Inches
Length3.21 Inches
Width1.59 Inches
Part NumberSST-FX350-G-USA
ModelSST-FX350-G-USA
Warranty3 Years Parts and Labor

2. Apevia

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Black, Apevia ITX-AP300W Mini-ITX / Flex ATX 300W Solid Power Supply

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Apevia #ad - Standard mini-itx / flex atx type, Maximum Power: 300W. Output: +3. [email protected], [email protected], [email protected], [email protected], [email protected] Dimension: 150mm x 81. 5mm x 405mm 5. 9" x 3. 21" x 1. 59" - l x w x H. Cooling: forced air ventilation by 1 x 40mm Double Ball Bearing Fan. Connectors: 1 x 20+4pin main power, 2 x sata, 2 x 4pin Molex, 1 x 4pin 12vp4, 1 x 4pin Floppy.
BrandApevia #ad
ManufacturerApevia #ad
Height1.6 Inches
Length5.9 Inches
Weight1.7 Pounds
Width3.21 Inches
Part NumberITX-AP300W 
ModelITX-AP300W 
Warranty1 Year

3. FSP

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FSP Mini ITX Solution/Flex ATX 500W Efficiency ≥90% Full Range Active PFC Power Supply Flex Guru 500W

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FSP #ad - Full protections: ovp, opp, scP, OTP| 5 Year Warranty. Comes with a 1U mounting bracket. Meets 80 plus gold ≥ 90% efficiency | compliant with latest UL standard 62368 and 60950 standards. Intelligent fan speed control with ball bearing fan| black coat finish |Direct cable output. Powerful single +12v rail design |100% Japanese made electrolytic capacitors.
BrandFSP #ad
ManufacturerFSP Group USA #ad
Height1.5 Inches
Length6 Inches
Weight2 Pounds
Width3.2 Inches
Warranty5 year warranty

4. Seasonic

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SEASONIC SSP-300SUB 300W 80 PLUS Bronze Flex ATX Power Supply w/ Active PFC F0 & Fully Modular / SSP-300SUB /

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Seasonic #ad - Sata-ready. Fully modular. High efficiency and reliability. Super low noise fan control. Low ripple and noise.
BrandSeasonic #ad
ManufacturerSeasonic #ad
Height1.59 Inches
Length5.91 Inches
Weight2.4 Pounds
Width3.21 Inches
Part NumberSSP-300SUB
ModelSSP-300SUB

5. Replace Power®

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5188-2755,, 5188-7521, Replace Power 350 Watt 350W Flex ATX Power Supply Replacement for HP Pavilion Slimline 5188-7520

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Replace Power® #ad - High quality Unit. 350 watt power Supply. High wattage for Adding Additional Devices. Compatible with many HP Models. Replace power Flex ATX Power.
BrandReplace Power® #ad
ManufacturerReplace Power #ad
Height2.3 Inches
Length7.6 Inches
Weight1.65 Pounds
Width6 Inches
Part NumberRPSUFLEX350W

6. Solid Gear

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Solid Gear Flex/Mini ITX 320 Watts Power Supply. SDGR-FLEX320. High Efficiency Switching Technology, Dimension: 3.2"x 1.5"x6"

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Solid Gear #ad - Input voltage : 110 / 230 vac, Maximum Output : 320 Watts. Connector : 20+4 pin x 1, cpu 4 pin x 1, sata x 2, Peripheral x 2, Floppy x 1. Supports intel / AMD CPU System. Over voltage & over power Protection, Low Ripple & Noise. Form factor : flex atx / mini itx, 6"x3. 25"x1. 60".
BrandSolid Gear #ad
ManufacturerSolid Gear #ad
Height1.6 Inches
Length6 Inches
Weight1.6 Pounds
Width3.2 Inches
Part NumberSDGR-FLEX320
ModelSDGR-FLEX320

7. MITXPC

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SPI FSP220-50FEB 220W 80 Plus Bronze Flex ATX 1U Power Supply w/ 6Ft Power Cord

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MITXPC #ad - 220w 80+ bronze flex 1U Power Supply. Includes Power Cord. Dimensions: 150 x 81. 5 x 405mm, 6" x 3. 2" x 1. 6" in inches. Ac-input: 90-264vac 47-63Hz.
BrandMITXPC #ad
ManufacturerSparkle Power Inc #ad
Part NumberFSP220-50FEB
ModelFSP220-50FEB

8. FSP

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FSP Group Mini ITX Solution/Flex ATX 80 Plus Gold 400W high Efficiency Power Supply FSP400-60FGGBA

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FSP #ad - 1x pcie 6+2 pin for VGA card. High efficiency 80 plus gold certified power supply; efficiency >90%. 100% burn-in under high ambient temperature50; MTBF:100K hours at 25. Resettable power shut down / 100% Hi-pot tested. For standard, advanced server, networking, NAS and industrial power system. High quality resettable power shut down | Low Ripple & Noise internal 4 cm fan delivers excellent airflow at an exceptionally low noise level.
BrandFSP #ad
ManufacturerFSP Group U.S.A. Corporation #ad
Height3.25 Inches
Length5.9 Inches
Weight2 Pounds
Width1.6 Inches
Part NumberFSP400-60FGGBA
ModelFSP400-60FGGBA
Warranty1 year

9. SilverStone Technology

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SilverStone Technology SST-FX350-G Flex ATX 1U 350 Watt 80 Plus Gold Power Supply with Fixed Cables

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SilverStone Technology #ad - Class-leading single +12V rail. High efficiency with 80 PLUS Gold certification. Support standard Flex ATX form factor. Support pCIe 6pin connector. Active PFC. 350w continuous power output at 40℃ operating temperature rated for 24/7 operation.
BrandSilverStone Technology #ad
ManufacturerSilverstone #ad
Height1.59 Inches
Length3.21 Inches
Weight2.12 Pounds
Width5.91 Inches
Part NumberSST-FX350-G
ModelSST-FX350-G
Warranty1 Year Parts and Labor

10. Replace Power®

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5188-2755, s7700n, s3707c, s3200n, 5188-7602, s3521, 270 Watt 270W Replace Power Flex ATX Power Supply Replacement for HP Pavilion Slimline 5188-7520, s3100n, 5188-7521, AC BEL PC6012,PC6034 Delta DPS-160QB,DPS-108DB-1 A, s3500f, s3400f, s3000

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Replace Power® #ad - High quality Replace Power PSU. Reduced Depth for greater Compatibility. 270 watt for adding additional devices. Use to replace your dead power supply. Additional Connectors for great Compatibility.
BrandReplace Power® #ad
ManufacturerReplace Power® #ad
Height2.28 Inches
Length7.6 Inches
Weight1.65 Pounds
Width5.91 Inches
Part NumberRP-FLEX-270
ModelRP-FLEX-270