Newegg Case Power Supply Deals & Case Power Supplies for Sale

Gamers and PC builders upgrading older systems will want this for the wattage bump, especially if you're adding a new graphics card or extra drives that your current PSU can't handle. Buy Now at Newegg

Anyone troubleshooting a dead HP 400 G5, 600, or 280 G3 desktop will want a direct-fit replacement like this rather than gambling on a universal power supply that may not match the connectors or wattage. Buy Now at Newegg

Handy as a replacement or backup unit for anyone running Delta-compatible hardware, since a mismatched power supply can cause startup issues or hardware damage down the line. Buy Now at Newegg

Anyone running a Dell OptiPlex 7460 that's lost power or is due for a backup unit can grab this 155W supply as a direct fit without hunting down a discontinued OEM part. Buy Now at Newegg

Older desktop builds and basic office PCs that don't need extra wattage will run fine on this, especially if you're replacing a dead PSU without upgrading other components. Buy Now at Newegg

Anyone building a compact PC where standard ATX power supplies won't fit should take a look at this, since it's sized specifically for small-form-factor cases while still delivering 180W to run modest builds. Buy Now at Newegg

Compact 1U form factors are hard to find in a modular build, so this suits anyone piecing together a slim rackmount or small-form-factor PC who still wants clean cable management. Buy Now at Newegg

Newegg's 460W Server Power Supply 12-pack suits crypto miners and multi-GPU rig builders who need several reliable power sources at once without buying units one at a time. Buy Now at Newegg

Anyone building a compact HTPC or slim server setup will want the 1U flex form factor here, since it fits cases where a standard ATX power supply simply won't. At 500W, it's suited to systems with modest power draw rather than gaming rigs packing high-end GPUs. Buy Now at Newegg

Space-constrained builds like small form-factor PCs or NAS setups need this compact 1U form factor, and 300W is enough headroom for a basic system without dedicated graphics. Buy Now at Newegg

Anyone building a compact or slim-profile PC needs a power supply that actually fits the case, and this 1U flex form factor gives you 500W of output without the bulk of a standard ATX unit. Buy Now at Newegg

Anyone building or repairing industrial equipment needs a power supply that won't quit under heavy loads, and this one's rated for continuous 400W output to handle demanding setups without overheating. Buy Now at Newegg

Anyone building or upgrading a compact PC needs a reliable power supply that matches their case's form factor, and the N240 V240 delivers steady, efficient power without taking up extra space in smaller builds. Buy Now at Newegg

For anyone whose Dell Inspiron 23 5348 has died or won't hold a charge, this replacement power supply gets you back up and running without hunting down a used unit of questionable condition. Buy Now at Newegg

Anyone building or maintaining a server rack will want reliable, high-wattage power delivery without the guesswork, and the SPABRCD-09G's 504W output covers demanding multi-drive setups with room to spare. It's a straightforward pick for data center or homelab builds where consistent uptime matters more than flashy features. Buy Now at Newegg

Anyone running heavy-duty electronics or industrial setups that demand stable, high-capacity power will want this on their radar, since the 3000W output leaves headroom for demanding loads without straining the system. It's a practical pick if your equipment needs dependable power delivery rather than a consumer-grade supply that's already maxed out under load. Buy Now at Newegg

Runs your HP ProDesk Mini Tower without hunting down an OEM part, since it's built to match the original specs and slots right into the case. Buy Now at Newegg

This modular PSU suits builders running higher-end GPUs that need reliable, clean power delivery, and the 80 Plus Gold rating means better efficiency than budget units at the same wattage. Newegg has it for $140, $20 off the $160 list price. Buy Now at Newegg

Anyone running or maintaining PowerEdge server infrastructure will want a reliable replacement or backup on hand, since a dead power supply can take a whole server offline unexpectedly. It's built to the same specs as the original equipment, so you don't have to worry about compatibility issues when swapping it in. Buy Now at Newegg