Top 8 Flex ATX Power Supply 400W – Computer Power Supplies

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1. 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 - 100% burn-in under high ambient temperature50; MTBF:100K hours at 25. For standard, networking, advanced server, NAS and industrial power system. High efficiency 80 plus gold certified power supply; efficiency >90%. 1x pcie 6+2 pin for VGA card. Resettable power shut down / 100% Hi-pot tested. 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

2. 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 - Class-leading single +12V rail. 350w continuous power output at 40℃ operating temperature rated for 24/7 operation. Support pCIe 6pin connector. Support standard flex ATX Form Factor. Small form Factor PSU. Active PFC. High efficiency with 80 PLUS Gold certification.
BrandSilverStone Technology #ad
ManufacturerSilverStone Technology #ad
Height5.91 Inches
Length3.21 Inches
Weight2.12 Pounds
Width1.59 Inches
Part NumberSST-FX350-G-USA
ModelSST-FX350-G-USA
Warranty3 Years Parts and Labor

3. ENHANCE

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ENP-7140B Flex 400W ATX Power Supply

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ENHANCE #ad - 1-year warranty. Enhance 400w flex ps, 20/24+2 x4pin+2 x Molex + 4 x SATA connectors. W x h x d: 3. 3" x 1. 55" x 5. 9". Can fit in kri ck102d, ghi-108, ghi-106, ck122, ck120, and many other cases. Efficiency is greater than 87%.
BrandENHANCE #ad
ManufacturerEnhance #ad
Weight2 Pounds
Part NumberLYSB014JVVWB6-CMPTRACCS
ModelLYSB014JVVWB6-CMPTRACCS

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

5. Solid Gear

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Solid Gear SDGR-FLEX320 320W Mini-ITX / FLEX ATX Power Supply

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Solid Gear #ad - Maximum power: 320W. Connectors: 1x 20+4pin main connector, 2x 15pin sata connectors, 1x 4pin P4 12V Connector, 2x 4pin molex connectors, 1x 4pin Floppy Connector. Fan: 1x 40mm Cooling Fan. Mini-itx/flex atX type. Efficiency: > 85%.
BrandSolid Gear #ad
ManufacturerSolid Gear #ad
Height3.25 Inches
Length6 Inches
Width1.63 Inches
Part NumberSDGR-FLEX320
ModelSDGR-FLEX320

6. SilverStone Technology

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SilverStone Technology FX500, 500W Flex-ATX 80 Plus Gold Power Supply, SST-FX500-G

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SilverStone Technology #ad - Japanese primary capacitor. Active PFC. Pcie 8pin and pCIe 6pin connectors support. 3% regulation and low ripple & noise performance for high stability. 500w continuous power output at 40℃ operating temperature rated for 24/7 operation. Class-leading single +12V rail. High efficiency with 80 PLUS Gold certification. Support standard Flex ATX form factor.
BrandSilverStone Technology #ad
ManufacturerSilverStone Technology #ad
Warranty1 Year parts and labor

7. SilverStone Technology

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SilverStone Technology FX600 Platinum Cybenetics Platinum 600W FlexATX Power Supply SST-FX600-PT

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SilverStone Technology #ad - 600w continuous power output at 40℃ operating temperature rated for 24/7 operation. Pcie 8pin and pCIe 6pin connectors support. Japanese primary capacitor. Class-leading single +12V rail. Support standard Flex ATX form factor.
BrandSilverStone Technology #ad
ManufacturerSilverStone Technology #ad
Height1.59 Inches
Length5.91 Inches
Width3.21 Inches
Warranty1 Year

8. 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 - Active PFC. Support pCIe 6pin connector. Class-leading single +12V rail. 350w continuous power output at 40℃ operating temperature rated for 24/7 operation. High efficiency with 80 PLUS Gold certification. Support standard Flex ATX form factor.
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