Case Power Supply Deals & Case Power Supplies for Sale

Anyone running the M70a or M90a Gen3 desktop and dealing with power issues will want a proper replacement rated to match, and this 180W unit is built specifically for those two models rather than a generic fit. Buy Now at Newegg

Fits Dell small form factor towers that need a replacement power supply without hunting down an OEM part, since the 235W rating covers standard office setups without a discrete graphics card. Buy Now at Newegg

Suits anyone building a high-power gaming rig or running multiple GPUs, since 1000W gives you headroom for upgrades without needing to swap the supply later. Buy Now at Newegg

Data center admins running the MSA1000 storage array will want a reliable replacement on hand, since a failed power supply can take an entire array offline until it's swapped out. Buy Now at Newegg

Anyone building a high-end rig with multiple GPUs will want the headroom this kind of wattage provides, since it keeps power-hungry components running stable without the supply becoming a bottleneck. Buy Now at Newegg

Anyone maintaining older industrial PCs or embedded systems will appreciate having a reliable 350W supply on hand for replacements, since these specific form factors get harder to find over time. Newegg carries the FSP unit if you need to match specs for a particular build. Buy Now at Newegg

Anyone building a compact or budget PC still wants reliable power delivery, and this 550W Gold-rated unit covers that without pushing you toward a pricier platinum tier you likely don't need for a mid-range build. Buy Now at Newegg

This replacement power supply suits anyone troubleshooting a dead or unstable HP ProDesk 400/600/800 G3 or G4 desktop, since it's built to the exact 250W spec those models require rather than a generic universal unit. Buy Now at Newegg

Data center techs and homelab server owners maintaining older PowerEdge R710 or T610 units will want one of these on hand, since matching OEM power supplies get harder to find as these servers age. It's a straightforward way to keep an existing rack running without hunting down a compatible replacement mid-outage. Buy Now at Newegg

Suits Lenovo all-in-one owners whose original power supply has failed and need a compatible replacement rather than a universal PSU that may not fit the system properly. Buy Now at Newegg

Anyone maintaining an older HP Z200 workstation will want a reliable replacement power supply on hand before the original fails, since this specific model is getting harder to source as newer systems phase it out. Buy Now at Newegg

Fully modular cabling and native PCIe 5.1 support make this a solid pick if you're building a newer system with a power-hungry GPU and want clean cable management. It's currently priced at Best Buy for $140, matching the list price, so there's no discount to speak of right now. Buy Now at Best Buy

Fully modular and 80 Plus Gold certified, this suits anyone building a high-wattage PC for a power-hungry GPU without sacrificing cable management, though it's currently priced the same as list at $180. Buy Now at Best Buy

Anyone running a multi-GPU mining or high-load rig needs a PSU that can handle sustained power draw without throttling, and 2,000W gives you enough headroom for several cards at once. Newegg carries it if you're outfitting a dedicated mining setup rather than a standard gaming build. Buy Now at Newegg

Anyone running a power-hungry graphics card that's outgrown their PC's stock supply will want this dock, since it's built specifically to deliver stable, dedicated power to demanding video cards without taxing your system's main PSU. Buy Now at Newegg

Handles high-wattage graphics cards and multi-drive setups without breaking a sweat, so it's worth a look if you're building or upgrading a rig with a power-hungry GPU. Newegg's version gives you headroom for future upgrades without needing to swap the PSU again down the line. Buy Now at Newegg

Anyone building or repairing a small-form-factor server setup will want a reliable power source that fits the compact chassis without extra modification, and this Supermicro unit is built specifically for that. Newegg carries it as a straightforward replacement part, which matters if you're trying to match OEM specs rather than hunt for a generic substitute. Buy Now at Newegg

Handles mid-to-high-end builds with a single GPU without needing to size up, and the 750W headroom gives you some breathing room if you add components later. Newegg has it at a price that makes it a reasonable pick for anyone assembling a new desktop from scratch. Buy Now at Newegg

Older 6-pin/4-pin power connectors like this aren't compatible with newer motherboard standards, so this is worth grabbing if you're repairing or upgrading a Lenovo 510S, v530s, or Qitian M420 desktop and need an exact factory-spec replacement rather than an adapter workaround. Buy Now at Newegg