Case Power Supply Deals & Case Power Supplies for Sale

Anyone building or upgrading a PC needs a dependable power supply, and this one gives you steady voltage delivery without overpaying for features you won't use in a basic setup. Buy Now at Newegg

Dell PowerEdge server owners needing a reliable replacement or backup PSU will find this 875W unit fits the bill without the markup that comes with buying direct from Dell, and Newegg carries it for those handling their own server maintenance. Buy Now at Newegg

Small builds with tight cases benefit most here, since the Micro ATX form factor is made to fit compact PC setups where a standard PSU won't squeeze in. It carries an 80 Plus certification, so you get a baseline of energy efficiency without paying for higher-tier ratings you may not need. Buy Now at Newegg

This dock powers demanding external GPU setups without straining your PC's internal power supply, making it a fit for Alienware Graphics Amplifier users looking to run high-wattage cards. Newegg carries it for those needing a direct replacement rather than a third-party workaround. Buy Now at Newegg

FSP's 300W unit is built for industrial PCs and embedded systems that run around the clock, so it suits setups where reliability matters more than flashy features. If you're replacing a supply in a machine that can't afford downtime, this covers that need without extra bells and whistles. Buy Now at Newegg

Handy for anyone rebuilding or repairing a small-form-factor Dell desktop, since matching the original TFX form factor and wattage means it drops in without modifying the case. Newegg carries it as a standalone replacement part, so you won't have to go hunting for a compatible PSU from a third-party brand. Buy Now at Newegg

Handy if your HP 8200 Elite's power supply has died or you're building a replacement system around that case, since matching the original wattage and connector layout saves you from tracking down adapters or reworking the cabling. Buy Now at Newegg

Data center techs and home lab builders needing reliable, high-wattage power will find this a solid pick for servers running demanding workloads. It's built to HP's server-grade specs, so you get consistent power delivery without the guesswork of generic replacements. Buy Now at Newegg

Anyone building or repairing equipment that needs a stable 14-pin and 4-pin power source will find this useful, since it handles the switching duties without requiring separate units for each connector type. Buy Now at Newegg

Server builders needing dependable, high-wattage output for EPS12V-compatible motherboards will find this useful, especially in workstation or small server setups where consistent power delivery matters more than flashy extras. Buy Now at Newegg

The compact form factor makes this a solid pick if your build has limited case clearance or you're working with a small-form-factor PC that standard power supplies won't fit into. Buy Now at Newegg

Anyone building or repairing a server setup will want a reliable replacement on hand, and this power supply kit gives you the wattage headroom to handle demanding, multi-drive configurations without strain. Buy Now at Newegg

Handy for anyone whose Dell XPS 8910, 8920, or 8930 desktop is showing power issues, since finding an exact-fit replacement supply for these models isn't always straightforward. Newegg carries it as a direct swap, so you won't need to modify your case or wiring to install it. Buy Now at Newegg

Anyone running or refurbishing an R920 or M720 server should keep one of these on hand, since matching OEM power supplies can be tough to track down once the originals fail. Buy Now at Newegg

A solid pick for anyone maintaining or repairing an existing DL320e Gen8 setup, since sourcing OEM-matched power supplies for older HP server lines gets harder as retailers phase them out. Newegg carries it if you need a direct replacement without hunting through third-party sellers. Buy Now at Newegg

A solid pick for anyone building a high-performance rig with power-hungry GPUs, since 1,050W gives you enough headroom for multi-drive setups or future upgrades without maxing out the supply. Buy Now at Amazon

Data centers and home lab builders running DL380 G6 or DL385 servers will want a reliable replacement power supply on hand, since matching the exact wattage and server generation keeps everything running without compatibility headaches. Newegg carries this HP unit for those who need a direct swap rather than a generic substitute. Buy Now at Newegg

Anyone maintaining or repairing older server hardware will want this on hand, since matching power supply components can be tough to track down once a model's discontinued—Newegg carries the PCA227 FH-ZD271MGR 633193-001 to fill that gap. Buy Now at Newegg

Anyone running a power-hungry workstation setup knows a failing PSU can take the whole system down with it, so this replacement is worth having on hand if you own an HP Z2 G4 and want to avoid downtime. It's built specifically for that model, so you won't need to guess about compatibility with connectors or wattage. Buy Now at Newegg

Builders running high-draw setups with dual GPUs or overclocked systems benefit most from the 1,250W capacity and fully modular cabling for cleaner routing. Amazon has it for $140, which is $80 (36%) off the $220 list price. Buy Now at Amazon