Newegg Case Power Supply Deals & Case Power Supplies for Sale

Server rooms and small business setups benefit most here, since the hot-swappable redundant design lets you replace a failed unit without powering down your system. Buy Now at Newegg

Handy for anyone whose Lenovo ThinkCentre desktop suddenly won't power on, since original supplies for these older models can be tricky to track down. Newegg carries it as a direct replacement, so you won't need to hunt for a compatible aftermarket unit. Buy Now at Newegg

Server admins running Sun/Oracle hardware will want this on hand since finding a compatible replacement power supply for older workstations and servers isn't always straightforward. Buy Now at Newegg

A solid option for anyone running mining rigs or high-draw custom PCs, since 2,000W gives you enough overhead to power multiple GPUs without tripping into overload territory. Newegg carries this at a spec level most standard consumer PSUs simply don't reach. Buy Now at Newegg

Anyone building a mid-to-high-end gaming rig or workstation with a power-hungry GPU will want the headroom this 750W supply provides, keeping your system stable without overspending on wattage you won't use. Buy Now at Newegg

This industrial-grade power supply suits builds where reliability under continuous load matters more than price, like servers, machine controllers, or other equipment that runs around the clock. Advantech designs these for demanding environments, so it's a solid pick if your setup needs steadier performance than a standard consumer PSU offers. Buy Now at Newegg

Gamers and PC builders running high-end multi-GPU setups will want this one, since 1,725W gives you enough headroom to handle power spikes without worrying about overloading your system. Buy Now at Newegg

Suits budget PC builds or older office desktops where you just need reliable, no-frills power delivery without paying for wattage you won't use. Buy Now at Newegg

Anyone maintaining older Sun T5220, T5440, or X4170 servers will want a reliable replacement on hand, since sourcing OEM power supplies for these systems gets harder every year. Newegg carries this 760W unit if your existing supply is failing or you're building in redundancy for a production setup. Buy Now at Newegg

Handy for anyone running or maintaining an RH5885H V3 server, since matching the original EPW2000-12A spec keeps your redundant power setup consistent instead of mixing in an incompatible replacement. Buy Now at Newegg

Anyone building or repairing a compact server rig will want this on hand, since the 10-pin TFX connector and 180W output are built specifically to match small-form-factor server boards rather than standard desktop configurations. Buy Now at Newegg

Anyone running M1000e blade server chassis will want a reliable power module on hand, and this 2,700W unit gives you the headroom to keep fully loaded configurations running without strain. Buy Now at Newegg

Space-constrained builds like small form factor PCs or NAS setups are where this one earns its keep, fitting where a standard ATX power supply simply won't. Buy Now at Newegg

Small-footprint builds like HTPCs or compact NAS setups often need a lower-wattage PSU that still fits a tight case, and this Flex ATX unit covers that without forcing you into a full-size form factor. Buy Now at Newegg

Data center techs and network admins upgrading server rooms will appreciate the consistent, reliable output this power supply delivers for Juniper equipment. It's a straightforward swap for anyone replacing an aging or failed unit without wanting to rethink the whole setup. Buy Now at Newegg

Budget PC builders who need reliable, no-frills power delivery will find this fits the bill, especially for basic desktops that don't demand high wattage or modular cabling. Buy Now at Newegg

Bare-bones and budget-friendly, this power supply suits small builds or basic desktop upgrades where you don't need extra wattage headroom for high-end components. Buy Now at Newegg

Server builders running critical systems will appreciate the redundant design here, since a second unit keeps things running if one power supply fails, and the compact 1U form factor fits tight rack setups without wasted space. Buy Now at Newegg

Anyone maintaining or upgrading a Dell PowerEdge R620 or R720 server will want a properly rated replacement power supply on hand, since these systems require the exact wattage and connector fit to run reliably. Buy Now at Newegg