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350 450 Watt System Power Supplies

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ATX 12V (44)
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Hewlett Packard Compaq (249687-001) 350-Watt Power Supply
This Hewlett Packard Compaq (249687-001) power supply unit provides power of 350 watts.
$295.00 - $698.00
from 4 stores

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Thermaltake PurePower W0070RUC 430-Watt Power Supply
One of the best looking and most efficient power supplies we've seen in years. This rock-solid, brilliantly engineered unit supports a 6-pin PCI-Express connector and features an outstanding PFC function for improved energy reliability and reduced current load on AC delivery systems. The TR2 boasts ... More
$40.00 - $47.00
from 8 stores

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StarTech.com (ATXPW400DELL) 400-Watt Power Supply
Designed to deliver more power than the original this enhanced 400W ATX 12V Power Supply is an ideal replacement for many compatible Dell computers. It offers dual 12V power rails to deliver stable po
$68.00 - $76.00
from 4 stores

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Ultra Products (ULT31553) 400-Watt Power Supply
Bench testing a power supply is now simple and comprehensive with Ultra's power supply tester. Accepting either 20-pin or 24-pin ATX connectors and either 4-pin or 8-pin CPU power connectors, there are test ports for floppy connectors, drive connectors, even SATA and PCI-e! An audible beep tells you ... More
$14.00 - $21.00
from 5 stores

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Antec BP350 350-Watt Power Supply
This Antec BP350 power supply unit provides power of 350 watts, it's fully compatible with ATX 12V.
$29.00 - $45.00
from 4 stores

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Enermax (EG365P-VE) (eg365p-ve fma 1.3) 350-Watt Power Supply
This is one of the Enermaxs latest model of switching power supplies; it has a knob on the back of the unit which allows you to change the speed of the 2 fans from 1500-3000 RPM. This is a really great feature because you can turn it up when your computer is running hot and down when its not. Enerma ... More
$39.00 - $39.00
from 1 store

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Coolmax CA-350 (14069) 350-Watt Power Supply
This Coolmax CA-350 power supply unit provides power of 350 watts, it's fully compatible with ATX.
$26.00 - $34.00
from 7 stores

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Thermaltake PurePower TR2 420 (W0062RU) 420-Watt Power Supply
This Thermaltake PurePower TR2 420 power supply unit provides power of 420 watts, it's fully compatible with ATX 12V.
$58.00 - $65.00
from 8 stores

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Coolmax CA-400 (895963140708) 400-Watt Power Supply
This Coolmax CA-400 power supply unit provides power of 400 watts, it's fully compatible with ATX 12V.
$30.00 - $31.00
from 5 stores

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Apex Digital AL-A400ATX 400-Watt Power Supply
Now you've finally decided which CPU, motherboard and video card you want to put into your new computer. But what are you going to do about the power
$41.00 - $48.00
from 5 stores

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Dell (F4284) 350-Watt Power Supply
This Dell (F4284) power supply unit provides power of 350 watts.
$49.00 - $50.00
from 2 stores

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Dell (41UFC) ( 41ufc ) 410-Watt Power Supply
This Dell (41UFC) power supply unit provides power of 410 watts.
$30.00 - $37.00
from 2 stores

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StarTech.com CFXPOWER350 (65030815710) 350-Watt Power Supply
This StarTech.com CFXPOWER350 power supply unit provides power of 350 watts, it's fully compatible with CFX.
$76.00 - $76.00
from 1 store

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THERMALTAKE TR2 RX Cable Management W0146RU Power Supply Retail ***Free Shipping*** 450-Watt Power Supply
This THERMALTAKE TR2 RX Cable Management W0146RU Power Supply Retail ***Free Shipping*** power supply unit provides power of 450 watts. it's fully compatible with ATX 12V.
$58.00 - $90.00
from 3 stores

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Dell (Y5894) 450-Watt Power Supply
This Dell (Y5894) power supply unit provides power of 450 watts.
$105.00 - $129.00
from 2 stores

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Coolmax (14071) 450-Watt Power Supply
CoolMax CA series power supply features an 80mm fan, designed for long-life and noiseless, fast cooling. It features over voltage protection, short circuit protection on all output levels, and it's serial ATA 150 ready. The power supply's universal connector fits most motherboards. It supports all I ... More
$35.00 - $42.00
from 4 stores

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StarTech.com (ATXPOW350DF) 350-Watt Power Supply
Replace that older or non-functioning power supply in your PC with this premium power supply for heavily loaded systems, the ATXPOW350DF. This reliable 350 Watt, heavy-duty power supply is guaranteed compatible with Pentium 4 (and lower) and AMD processors and constructed from the highest quality co ... More
$44.00 - $51.00
from 7 stores

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StarTech.com (ATX2POWER450) 450-Watt Power Supply
This StarTech.com (ATX2POWER450) power supply unit provides power of 450 watts, it's fully compatible with ATX 12V.
$53.00 - $60.00
from 5 stores

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StarTech.com (ATX2PW400PRO) 400-Watt Power Supply
This 400 Watt, professional-grade power supply is the perfect upgrade or replacement for powering your AMD or Intel based PC. With two 12V power rails and premium EMI/RFI power filtration for low noise and ripple, this is the perfect solution for delivering stable power to the most demanding devices ... More
$48.00 - $59.00
from 4 stores

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Pyramid PS21KX 450-Watt Power Supply
This Pyramid PS21KX power supply unit provides power of 450 watts.
$80.00 - $80.00
from 1 store

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Enermax Liberty ELT400AWT (ELT400W) 400-Watt Power Supply
This Enermax Liberty ELT400AWT power supply unit provides power of 400 watts, it's fully compatible with ATX 12V.
$82.00 - $83.00
from 2 stores

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Coolmax CA-450 450-Watt Power Supply
This Coolmax CA-450 power supply unit provides power of 450 watts, it's fully compatible with ATX 12V.
$40.00 - $40.00
from 1 store

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E-Power X1 ZU-400 (ZU400W) 400-Watt Power Supply
This E-Power X1 ZU-400 power supply unit provides power of 400 watts, it's fully compatible with ATX.
$25.00 - $25.00
from 2 stores

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Hewlett Packard Compaq (333593-001) (333593001) 400-Watt Power Supply
Compaq is a leading global provider of information technology products, services and solutions for enterprise customers. Compaq designs, develops, manufactures and markets information technology equipment, software, services and solutions, including industry-leading enterprise storage and computing ... More
$34.00 - $144.00
from 5 stores

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Intel (AXX2PSMODL350) 350-Watt Power Supply
Intel is a well-known name in industry. It supplies its customers with various solutions to suit their growing needs in almost any field. Intel provides its solutions with various power supply options in order to gain maximum reliability.
$99.00 - $99.00
from 1 store

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Coolmax (14008) 450-Watt Power Supply
This power supply features built-in long life dual 80mm silent cooling fans with 3 speed settings. The universal connector fits most motherboards and provides full support for all Intel and AMD series demands. For peace of mind the power supply features over voltage and short circuit protection.
$30.00 - $30.00
from 1 store

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Diablotek (PSDA400) 400-Watt Power Supply
Every great PC system needs a dynamic, reliable power supply. With the 400-Watt ATX switching power supply you get all that and more! The sleek Diablo power supply is loaded with super features that make it an incredible value. Fits into any standard ATX case. The Diablo 400-Watt ATX switching power ... More
$20.00 - $20.00
from 2 stores

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Ultra Max V Series (ULT31839) 350-Watt Power Supply
This new Ultra V series power supply offers more connectivity choices than the typical power supply, with options for 20/24 pin motherboards, SATA and PCI Express connections. This durable, high-performance power supply features a low-noise 120mm cooling fan. It supports AMD and Intel motherboards a ... More
$40.00 - $40.00
from 1 store

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Athenatech PS-400WX1 (PS400WX1) 400-Watt Power Supply
Athenatech manufactures professional computer cases and power supplies. The PS-400WX1 is a 400Watts Pentium ready power supply featuring 20 pin + 4 pin ATX-12V power connector, an 8 cm fan, 2 x Serial ATA (SATA) hard disks power connectors and Intelligent transformable mainboard connectors.
$33.00 - $35.00
from 2 stores

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Athenatech (PS-450WX1) 450-Watt Power Supply
This Athenatech (PS-450WX1) power supply unit provides power of 450 watts, it's fully compatible with ATX.
$37.00 - $37.00
from 1 store

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