Top 10 Flex ATX 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. High efficiency with 80 PLUS Gold certification. Class-leading single +12V rail. Support standard flex ATX Form Factor. Active PFC. Small form Factor PSU. Support pCIe 6pin connector.
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. Connectors: 1 x 20+4pin main power, 1 x 4pin 12vp4, 2 x SATA, 2 x 4pin molex, 1 x 4pin Floppy. Cooling: forced air ventilation by 1 x 40mm Double Ball Bearing Fan. Dimension: 150mm x 81. 5mm x 405mm 5. 9" x 3. 21" x 1. 59" - l x w x H. Output: +3. [email protected], [email protected], [email protected], [email protected], [email protected]
BrandApevia #ad
ManufacturerApevia #ad
Height1.6 Inches
Length5.9 Inches
Weight1.7 Pounds
Width3.21 Inches
Part NumberITX-AP300W 
ModelITX-AP300W 
Warranty1 Year

3. Apevia

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3 x SATA, 1 x 12VP4, 1 x 20/24Pin Main Power, Apevia TFX-AP300W Standard Flex ATX 300W Power Supply, 115-230V AC, 1 x Floppy, 3 x Pheripheral

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Apevia #ad - Output: +3. [email protected]; [email protected]; [email protected]; [email protected]; [email protected] 5a. Input voltage: 115-230v ac, input Frequency: 60/505% tolerance of 5v, 3. 3v & 12v output. Apevia tfx-ap300w standard 300w flex ATX Power Supply. Forced air ventilation by 1 x 80mm Fan.
BrandApevia #ad
ManufacturerApevia #ad
Height2.5 Inches
Length6.75 Inches
Weight2.1 Pounds
Width3.23 Inches
Part NumberTFX-AP300W
ModelTFX-AP300W

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

5. Replace Power®

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320 Watt 320W Replace Power Flex ATX Power Supply Replacement Upgrade for IBM SurePOS 500, Achme, SPI, Delta, SPARKLE, FSP, Enhance, Shuttle XPC, ElanVital

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Replace Power® #ad - Replacement upgrade for: ibm surepos 500, fsp, SPARKLE, elanvital, SPI, Shuttle XPC, Achme, enhance, Delta. Supports amd/intel CPU System. Upgrade your old and beat up flex atx PSU with a 320 Watt High Quality Replace Power PSU. 320 watt for adding additional devices for great Compatibility.
BrandReplace Power® #ad
ManufacturerReplace Power® #ad
Height2.4 Inches
Length7.7 Inches
Weight1.55 Pounds
Width5.9 Inches
Part NumberRP-FLEX-320
Model4328509965

6. 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 - Support pCIe 6pin connector. Support standard Flex ATX form factor. Active PFC. Class-leading single +12V rail. High efficiency with 80 PLUS Gold certification. 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

7. Replace Power®

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Replace Power 220W Flex ATX Power Supply Replacement for IBM SurePOS 500, ElanVital 220 Watt, Achme, Shuttle XPC

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Replace Power® #ad - Sata support. 4-pin Molex. Reduced depth for Greater Compatibility. Replace power flex atx power supply is an upgrade with a rated power of 250 watts and a peak output of 350 watts. 20+4 power connector for 20 and 24 Pin Motherboards.
BrandReplace Power® #ad
ManufacturerReplace Power #ad
Weight1.55 Pounds
Part NumberRP-FLEX-220W
ModelRP-FLEX-220W

8. Unknown

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Athena Computer Power AP-MFATX50P8 500W Flex ATX Power Supply

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Unknown #ad - Exhaust 12v dc fan with thermal fan speed controller. 100% hi-pot, ate and Burn-in tested. Protection features: Output over voltage, short circuit and overload. Remote on/OFF function. Complied with flex atx-12v and eps-12V standard SLI & Cross Fire ready.
BrandUnknown #ad
ManufacturerAthena Computer Power Corp #ad
Part NumberAP-MFATX50P8
ModelAP-MFATX50P8

9. 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 - 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. High efficiency 80 plus gold certified power supply; efficiency >90%. 100% burn-in under high ambient temperature50; MTBF:100K hours at 25. 1x pcie 6+2 pin for VGA card.
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

10. FSP

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FSP Group 700W ATX Power Supply PMBus V1.2 Single 1U Size 80 PLUS Platinum Certified for Rack Mount Case FSP700-80UEPB

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FSP #ad - 100% burn-in under high ambient temperature50℃, 100% hi-pot tested, Vacuum-impregnated transformer, MTBF:100K hours at 25℃, Line input fuse protection. Short circuit protection on all outputs. Internal 4 cm fan. Output over voltage protection. Four +12v output +12v/1, +12v/2, +12v/3, +12V/4. Low ripple & Noise. Resettable power shut down. 80 plus platinum Certified.
BrandFSP #ad
ManufacturerFSP Group U.S.A. Corporation #ad
Height1.6 Inches
Length9.4 Inches
Weight4.8 Pounds
Width3.9 Inches
Part NumberFSP700-80UEPB
ModelFSP700-80UEPB
Warranty3 years