Case Power Supply Deals & Case Power Supplies for Sale

Anyone maintaining or upgrading a Dell Optiplex tower will want a PSU that matches the original spec exactly, since third-party replacements don't always fit the proprietary connectors. Newegg carries this 200W unit as a direct replacement, which saves you the guesswork of hunting down compatible wattage and pinout. Buy Now at Newegg

Server closets and small business setups running the 6500E benefit most, since matching the correct wattage keeps the system stable without overloading your circuit. Newegg carries this specific model, which matters here since off-spec power supplies won't work with this equipment. Buy Now at Newegg

Anyone repairing or upgrading a Lenovo B325, B320, B340, B540, or B520 all-in-one can use this as a direct replacement without hunting down an OEM part number. Buy Now at Newegg

Data center techs replacing a failed 1U server supply will want this Delta unit for its compact form factor and standard output specs that match common rack setups. Buy Now at Newegg

Data center and server admins needing redundant power for HPE ProLiant systems will want this on hand, since matching wattage and hot-plug compatibility matters more than going with a generic replacement. Buy Now at Newegg

Anyone rebuilding or repairing a prebuilt system will want a supply that matches the original spec exactly rather than guessing on a generic replacement, and at 460W this one covers most standard office or budget desktop setups. Buy Now at Newegg

Anyone running an older Dell XPS 410, 420, 430, 9200, or E520 whose original power supply has died will want a straightforward, exact-fit replacement instead of guessing at compatibility with a generic unit. Buy Now at Newegg

Anyone rebuilding or repairing a Dell T7500 will want to check this out, since a 1,100W supply matches the original spec and keeps dual-CPU or high-end GPU setups running without power issues. It's a straightforward fix for a workstation with a failed or underpowered unit, and Newegg carries it if you need one on hand. Buy Now at Newegg

A solid pick if your B2500 build needs reliable power without paying for wattage you won't use, especially in a compact or budget-focused setup. It's a straightforward replacement or backup option for anyone running standard components rather than a high-end multi-GPU rig. Buy Now at Newegg

Server rebuilds and workstation upgrades needing serious wattage will find this HP G9 1,500W unit worth a look, especially if you're running multiple GPUs or high-draw components that standard consumer supplies can't handle. Newegg carries it for those who need enterprise-grade reliability without sourcing from a server parts specialist. Buy Now at Newegg

Server upgrades and repairs are exactly what this power supply is built for, since it's designed specifically to match the ML310e G8's specs rather than a generic replacement. Anyone maintaining older HP Proliant hardware will want a part that fits without modification, and this one comes from Newegg. Buy Now at Newegg

Handy for anyone whose Inspiron desktop won't power on or is showing signs of a failing PSU, since a compatible replacement gets you back up and running without the cost of a new tower. Buy Now at Newegg

Server closets and compact rackmount builds tend to have tight power needs, and this FSP 200W 1U unit is sized specifically for slim, space-constrained cases rather than standard towers. Newegg carries it if your setup calls for a low-profile supply without sacrificing reliability. Buy Now at Newegg

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

This fits older HP Compaq desktop towers that need a straightforward PSU swap without hunting down a proprietary part, since it's built to match the original specs and connectors. It's a practical fix if your current power supply has died or is on its way out and you want your system running again without replacing the whole machine. Buy Now at Newegg

Anyone building or upgrading a high-performance PC with power-hungry components like multiple GPUs will want the headroom this 1,200W supply provides, and Newegg's price makes it worth a look before buying elsewhere. Buy Now at Newegg

This power supply works if you need a direct replacement for a Dell Precision 5720 that's died or is on its way out, sparing you from hunting through third-party compatibility charts. Newegg carries it for those who'd rather match the original spec than gamble on a generic substitute. Buy Now at Newegg

Small form-factor builds often struggle to find a compatible PSU, so this mini ATX unit suits compact cases and HTPC builds where a standard-sized power supply just won't fit. Buy Now at Newegg

Server upgrades and homelab builds needing reliable, efficient power delivery for the PowerEdge R430 will benefit from this 80 Plus Platinum-rated supply, since it's built to Dell's exact specs rather than a generic replacement. Newegg carries it if you're sourcing a direct replacement without going through Dell's own parts channel. Buy Now at Newegg