ATX Power Supplies

Our ATX Power Supplies (PSUs) deliver reliable operation that helps to ensure peak system performance, including 80 Plus® Power Supplies, Replacement Power Supplies, Silent Computer Power Supplies and Professional-grade Power Supplies
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300 Watt ATX Replacement Computer PC Power Supply
ATXPOWER300
300 Watt ATX Replacement Computer PC Power Supply

Replace or upgrade to a 300W power supply for a standard ATX computer

$72.99
1291+ In stock In stock
CA: 167 | US: 1124
In stock Learn More
350 Watt ATX12V 2.01 Computer PC Power Supply w/ 20 & 24 Pin Connector
ATX2POWER350
350 Watt ATX12V 2.01 Computer PC Power Supply w/ 20 & 24 Pin Connector

Replace or upgrade to a 350W power supply for a standard ATX computer

$83.99
346+ In stock In stock
CA: 87 | US: 259
In stock Learn More
Professional 400 Watt ATX12V 2.01 Computer Power Supply w/ PCIe & SATA
ATX2PW400PRO
Professional 400 Watt ATX12V 2.01 Computer Power Supply w/ PCIe & SATA

Add a high performance 400W power supply to a standard ATX computer

$103.99