Top 10 250W ATX Power Supply – Computer Power Supplies

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1. RGEEK

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RGEEK 1106 DC to DC ATX PSU 12V 300W Pico ATX Switch PSU 24pin Mini ITX PC Power Supply for Computer

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RGEEK #ad - Input voltage range: 11. 2 to 12. 6v dc, dc input connector: 2. 5mm inner diameters, 5. 5mm outer diameter. Short-circuit protection: output shut down when short-circuit. Output shutdown when output current reaches the peak point. Defensive function for +3. 3v, +12v, +5. 00v and +5. 00v sb power output).
BrandRGEEK #ad
Manufacturere.Mini #ad
Part Number4348317604
ModelLR1106-250W12VDC

2. StarTech

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StarTech.com 350 Watt ATX12V 2.01 Computer PC Power Supply w/ 20 & 24 Pin Connector ATX2POWER350

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StarTech #ad - Smart fan adjusts speed to provide quieter operation while maintaining optimum cooling. Heavy-duty transformer designed to support high performance systems with several drives. Atx12v version 2. 01 compliant. High flow fan provides efficient cooling for the system and the power supply.

Dedicated power on second 12V output as required by latest processors. Compliant with ATX12V 2. 01 revision standards, and ensures broad compatibility with a 20/24 pin motherboard connection. Designed to provide dependable, long-lasting power to your hard working AMD or Intel CPU based system, the 350 Watt PSU is backed by StarTech. Com's 2 year warranty and free lifetime technical support.

Emi/rfi power filtration system provides low noise/ripple for super clean and stable power to all system components. Includes pci-express connector and multiple SATA connector. Mtbf 100, 000 hours. This high quality 350 watt atx12v 2. 01 power supply offers a reliable pc power solution, the power supply offers dual 12v power rails, with support for modern dual-core CPU designs as well as PCI Express and SATA device connections.
BrandStarTech #ad
ManufacturerSTARTECH.COM #ad
Height55.12 Inches
Length59.06 Inches
Weight4.63 Pounds
Width3.35 Inches
Part NumberATX2POWER350
ModelATX2POWER350
Warranty2 year warranty

3. Replace Power®

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2300, 2450, 2200, 1100, 4400, 2400, 4300, 300W 300 Watt ATX Power Supply Replacement for Dell Dimension B110, 3000, 2350

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Replace Power® #ad - Built-in 20+4 pin adapter: supports 24 and 20 Pin Power Supplies. Over current and over power Protection; Over Voltage and Short Circuit Protection. Replaces several older Legacy Power Supply; Upgrade to 300 Watts. Reduced depth for increased compatibility; 5. 9" height x 3. 4" weidth x 4" Depth. 110-260v ac switchable Power Supply.
BrandReplace Power® #ad
ManufacturerReplace Power® #ad
Height3.9 Inches
Length6.4 Inches
Weight1.5 Pounds
Width6.2 Inches
Part NumberRPSU-b110-300
ModelNA

4. Thermaltake

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Thermaltake Smart 430W 80+ Black Continuous Power ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0430NPCWUS-W

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Thermaltake #ad - 80 plus certified – 80% efficiency under typical load. Supports 2 pci-e 6+2pin connectors. Delivers 430w continuous output at +40℃. 5 year warranty. Active pfc power factor correction, MTBF: 100, 000 hours. Compliance with Intel ATX 12V 2. 31 & eps 12v 2. 92 standards. Industry grade protections: opp over power Protection, OVP Over Voltage Protection, SCP Short Circuit Protection.
BrandThermaltake #ad
ManufacturerThermaltake #ad
Height7.25 Inches
Length9 Inches
Weight3.3 Pounds
Width4 Inches
Part NumberPS-SPD-0430NPCWUS-W
ModelPS-SPD-0430NPCWUS-W
WarrantyPS-SPD-0430NPCWUS-W

5. Apevia

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

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Apevia #ad - Dimension: 150mm x 81. 5mm x 405mm 5. 9" x 3. 21" x 1. 59" - l x w x H. Connectors: 1 x 20+4pin main power, 2 x sata, 2 x 4pin molex, 1 x 4pin 12VP4, 1 x 4pin Floppy. Output: +3. [email protected], [email protected], [email protected], [email protected], [email protected] 5a. Standard mini-itx / flex atx type, Maximum Power: 300W. Cooling: forced air ventilation by 1 x 40mm Double Ball Bearing Fan.
BrandApevia #ad
ManufacturerApevia #ad
Height1.6 Inches
Length5.9 Inches
Weight1.7 Pounds
Width3.21 Inches
Part NumberITX-AP300W 
ModelITX-AP300W 
Warranty1 Year

6. Replace Power®

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2400, 4400, 4300, 1100, 2350, 250W 250 Watt ATX Power Supply Replacement for Dell Dimension B110, 2300, 2450, 2200, 3000

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Replace Power® #ad - Reduced depth for increased compatibility; 5. 9" height x 3. 4" weidth x 4" Depth. Over current and over power Protection; Over Voltage and Short Circuit Protection. Built-in 20+4 pin adapter: supports 24 and 20 Pin Power Supplies. Replaces several older Legacy Power Supply; Upgrade to 250 Watts. 110-260v ac switchable Power Supply.
BrandReplace Power® #ad
ManufacturerReplace Power® #ad
Weight1.5 Pounds
Part NumberRPSU-b110-250

7. RGEEK

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RGEEK 24pin DC ATX PSU 12V DC Input 250W Peak Output Switch DC-DC ATX Pico PSU Mini ITX PC Power

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RGEEK #ad - Perfect dc psu for mini ITX Motherboards. Dc input connector: 2. 5mm inner diameters, 5. 5mm outer diameter. Short-circuit protection: output shut down when short-circuit. 24 pin atx connector, Plugs directly into the ATX connector. Note: only can use with 12v power adapter or 12V Input Voltage, 250 Watt Output 12 Volt DC Input,.
BrandRGEEK #ad
ManufacturerCOSHARE #ad
Height1.8 Inches
Length6.3 Inches
Width3.3 Inches
Part Number250W PSU
Model250W PSU

8. StarTech

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StarTech.com Professional 300 Watt ATX Computer PC Power Supply ATX 300 ATXPOW300PRO

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StarTech #ad - High-flow fan provides efficient cooling for the system and power supply. Designed and built with high performance components and connectors for extra long life and maximum system performance. Dual ball bearing fan and heavy duty heatsink keeps your system running cool.

Dual ball bearing fan and heavy duty heatsink keeps your system running cool. See applications page for detailed list of supported eMachines and Gateway models. Additional drive power connectors provided for connecting extra drives. Dual ball bearing in the cooling fan motor provide increased reliability, increased air flow and longer life. High-flow fan provides efficient cooling for the system and power supply. High quality connectors provide minimal resistance and enhanced electric conductivity.

Superior emi/rfi power filtration system provides low noise/ripple for super clean and stable power to the system components. Additional drive power connectors provided for connecting extra drives. Designed and built with high performance components and connectors for extra long life and maximum system performance. See applications page for detailed list of supported eMachines and Gateway models.
BrandStarTech #ad
ManufacturerSTARTECH.COM #ad
Height6.42 Inches
Length9.29 Inches
Weight4.03 Pounds
Width3.74 Inches
Part NumberATXPOW300PRO
ModelATXPOW300PRO
Warranty3 year warranty

9. Coolmax

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Coolmax I-500 500W ATX 12V V2.0 Power Supply

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Coolmax #ad - Atx12v version 2. 0 . 120mm low noise cooling fan. Over voltage protection & short circuit protection. Serial ata 150 ready. Mtbf 100, 000 hours. Single +12V output design.
BrandCoolmax #ad
ManufacturerCoolmax #ad
Height5.9 Inches
Length5.5 Inches
Weight2.2 Pounds
Width3.3 Inches
Part Number14805
ModelI-500
Warranty1 Year Warranty

10. 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%. Resettable power shut down / 100% Hi-pot tested. 100% burn-in under high ambient temperature50; MTBF:100K hours at 25. High quality resettable power shut down | Low Ripple & Noise internal 4 cm fan delivers excellent airflow at an exceptionally low noise level. For standard, networking, advanced server, NAS and industrial power system.
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