Case Power Supply Deals & Case Power Supplies for Sale

A component-level repair part suited for technicians or experienced users troubleshooting a dead or unstable DesignJet Z6200 large-format printer, rather than a full unit replacement. Buy Now at Newegg

A straightforward option for anyone looking to swap out a failed or underpowered PSU in a budget desktop build, as 420W covers most basic office and light-use systems without paying for headroom you won't use. Buy Now at Newegg

A straightforward replacement option for Lenovo 510S-07ICB desktop owners dealing with a failed or underpowered PSU, since proprietary form factors mean you can't just swap in any standard unit. Buy Now at Newegg

A budget-friendly option for anyone building or upgrading a basic desktop PC that doesn't need a high-wattage unit, the 450W output covers most entry-level to mid-range builds without paying for headroom you won't use. Buy Now at Newegg

A straightforward option for homelab builders or anyone repurposing HP ProLiant DL380 G6/G7 server hardware who needs a replacement or spare PSU without sourcing it through enterprise channels. Buy Now at Newegg

A straightforward replacement option if your OptiPlex 3020, 7020, or 9020 is showing power issues or you need a spare on hand for a small business or lab environment running these Dell workstations. Buy Now at Newegg

A solid option for engineers, hobbyists, or anyone building or repairing industrial equipment who needs a reliable bench power supply without sourcing through an industrial distributor. Buy Now at Newegg

A high-wattage modular PSU like this suits anyone running a multi-GPU mining rig or a workstation with heavy power demands, where the full modular cabling keeps the build tidy and lets you run only the connectors you actually need. Buy Now at Newegg

Useful if you're building or repairing stage lighting rigs that require dual-voltage output, since finding a power supply spec'd for both 28V and 12V LED stage fixtures in one unit isn't always straightforward. Buy Now at Newegg

A straightforward option if you have a failing or dead power supply in an HP Pavilion Elite HPE-088HK or HPE-175z CTO desktop, where finding a compatible replacement can be tricky given the proprietary nature of HP's desktop builds. Buy Now at Newegg

A regulated switching power supply at this wattage is typically used for powering LED strips, 3D printers, CNC machines, or other DC electronics that need a stable 5V source with high current output. Buy Now at Newegg

Designed as a direct replacement for the HP Envy desktop's stock power supply, this is a straightforward pick if yours has failed and you want to swap in a compatible unit without hunting for a generic fit. Buy Now at Newegg

A straightforward upgrade for anyone with an HP ProDesk 600 G5 Small Form Factor desktop that needs a replacement or higher-wattage power supply, since SFF units use proprietary connectors that aren't compatible with standard ATX replacements. Buy Now at Newegg

A straightforward replacement or upgrade option for HP Engage Flex Pro point-of-sale systems, particularly useful for businesses dealing with a failing PSU or building out a retail or hospitality setup that needs a reliable spare on hand. Buy Now at Newegg

A server power supply replacement for the PowerEdge T430, useful if you're running Dell's mid-range tower server and dealing with a failed or insufficient PSU unit. Buy Now at Newegg

A straightforward pick for anyone building or maintaining a rack-mount server who needs a reliable 750W power supply replacement or upgrade without sourcing from an enterprise supplier. Buy Now at Newegg

A solid option if you're building or maintaining a rack-mounted server and need a reliable replacement or upgrade PSU in a 2U form factor, where standard ATX units won't fit. Buy Now at Newegg

A desktop power supply is an easy thing to overlook until yours fails, and having a spare on hand is useful if you build or repair PCs regularly. Buy Now at Newegg

A 650W server power supply like this is mainly useful if you're building or repairing a budget workstation or home server rig and need a reliable unit without paying for a brand-new retail PSU. Buy Now at Newegg