Case Power Supply Deals & Case Power Supplies for Sale

Handy if you're building or repairing a system that needs a reliable 800W supply without paying for extra wattage you won't use, and the 16A rating gives you enough headroom for a mid-to-high-end build. Buy Now at Newegg

Handy to keep on hand if you're building or repairing a Dell desktop and need a replacement PSU that matches the original spec without guesswork on wattage or connector fit. Buy Now at Newegg

Worth a look if you're maintaining or building out a server rack and need a reliable replacement power supply rated for that 717W load without hunting down proprietary parts. Buy Now at Newegg

Fully modular and 80+ Platinum certified, this power supply suits builders who want efficient, high-wattage headroom for a demanding GPU without cable clutter, and it's currently $20 off the list price. Buy Now at Amazon

Server admins swapping out a failed unit or building a redundant setup will want this on hand, since matching the exact model keeps your 1U setup fitting and running as it should. Buy Now at Newegg

Anyone running an older HP A1310y desktop that's suddenly lost power or won't boot properly can rule out one common failure point with this direct replacement, since it's built to match the original spec without any modification. Buy Now at Newegg

Anyone building a compact 1U server setup will want the space savings the Flex-ATX form factor provides without sacrificing the reliable power delivery a 270W supply gives you. Buy Now at Newegg

Anyone running an older HP XW6400 workstation with a failing stock supply will want a direct-fit replacement like this rather than trying to jury-rig a standard ATX unit into a proprietary case. Buy Now at Newegg

Anyone building or repairing a Dell tower rather than buying a whole new one will want this on hand, since a proprietary PSU like this needs to match your exact model to fit and connect properly. Buy Now at Newegg

Anyone maintaining a Dell PowerEdge C6100 or C6220 server rack needs a reliable replacement power supply on hand, and this 1,200W unit matches the original specs without the wait for OEM parts. Buy Now at Newegg

Anyone maintaining or repairing an HP DL320 G4 server will want this on hand, since matching the original part number ensures proper fit and compatibility without guesswork. Buy Now at Newegg

Anyone running an HP ML310E Gen8 server and needing a direct replacement part will appreciate this power supply, since it's built to the server's exact specs rather than a generic swap. Buy Now at Newegg

Anyone maintaining older Dell Optiplex or Precision small form factor desktops will want this on hand, since finding a compatible replacement power supply for those specific case dimensions can otherwise be a hassle. Newegg carries it as a straightforward, purpose-built swap rather than a universal unit you'd need to modify. Buy Now at Newegg

Anyone maintaining or repairing industrial equipment that relies on the DF-F800 series will want this on hand, since matching the exact part number saves you the guesswork of finding a compatible substitute. Newegg carries it if you need a dependable source for this specific power supply. Buy Now at Newegg

This power supply module suits anyone running or building out a server rack that needs redundancy, since it lets the system keep running even if one unit fails. It's a straightforward pick for IT setups where downtime isn't an option and 1,000W of capacity matches typical enterprise server demands. Buy Now at Newegg

PC builders working with small-form-factor ITX cases will appreciate how this module replaces a bulky standard PSU, freeing up space that a traditional power supply would otherwise eat up. It's a practical pick if you're squeezing a build into a tight enclosure and need reliable power without sacrificing airflow or layout options. Buy Now at Newegg

Runs your ATX build off a DC input instead of standard wall power, so it's worth a look if you're setting up a mini-ITX rig, solar power project, or anything running on a car or battery-based system. At 200W, it's suited to low-power setups rather than gaming rigs with dedicated graphics cards. Buy Now at Newegg