Newegg Case Power Supply Deals & Case Power Supplies for Sale

Refurbished servers and network builds that need a compact 1U replacement power supply will find this Delta unit handles the job without forcing a case redesign, and it's a reasonable option to keep on hand as a spare for critical systems. Buy Now at Newegg

Anyone maintaining rackmount servers or building out a home lab knows how tough it can be to find a properly sized 1U replacement PSU, and this 200W unit fits that narrow bill without forcing you into a bulkier form factor. Buy Now at Newegg

Suits anyone building or repairing a rack server rather than a desktop, since this power supply is sized and configured for that specific form factor. It's a straightforward swap if your current server PSU has failed and you need a compatible replacement without redesigning the whole system. Buy Now at Newegg

Anyone building or repairing a compact industrial PC setup will want a power supply that fits a 1U chassis without sacrificing wattage, and this one delivers 400W in that slim form factor. Buy Now at Newegg

Server builders and homelab enthusiasts who need reliable, redundant power will appreciate this 800W supply, especially if you're running a rackmount setup where efficiency and consistent uptime matter more than looks. Buy Now at Newegg

Anyone building a high-draw system with multiple GPUs or overclocked components will want the headroom this 1,100W supply provides, and Newegg's listing makes it easy to slot into a rig without hunting for compatible wattage elsewhere. Buy Now at Newegg

Powering a build with high-wattage components? This one's worth a look if you want reliable, steady output without paying a premium for a bigger-name brand. Buy Now at Newegg

Anyone building or repairing a budget desktop can rely on this for stable power without paying for wattage you'll never use. It's a straightforward pick if your setup is modest and you just need a dependable supply that keeps things running. Buy Now at Newegg

Dell small form factor desktops are notorious for needing a proprietary power supply, so this direct replacement saves you from tracking down a compatible unit through trial and error. It suits anyone whose SFF Dell has died from a failed PSU rather than a bigger hardware issue. Buy Now at Newegg

Cryptocurrency miners and anyone running multiple GPUs will get the most out of this one, since 1,800W gives you enough headroom to power several cards off a single unit instead of juggling multiple supplies. Buy Now at Newegg

Data center and server-building enthusiasts will want this one, since CRPS supplies are designed for the tight tolerances and hot-swap capability that standard consumer PSUs don't offer. Buy Now at Newegg

FSP's 1U form factor is built for slim rackmount cases where a standard PSU simply won't fit, making this a practical pick if you're building a compact server or NAS setup. Newegg carries it for those working within tight thermal and space constraints where every inch of clearance matters. Buy Now at Newegg

Anyone running a multi-GPU mining rig or a power-hungry workstation build will want the extra headroom this 1,800W supply provides, since it keeps you from tripping breakers or throttling performance under sustained load. Buy Now at Newegg

Suits anyone needing a reliable replacement PSU for a Dell desktop without hunting down a proprietary part from a repair shop, since it's built to match your system's original specs and connectors. Buy Now at Newegg

Anyone building or repairing a compact 1U server setup will want this on hand, since it delivers 200W in a slim form factor designed to fit tight rack spaces without sacrificing output. Buy Now at Newegg

Worth a look if you're building or repairing a budget desktop that doesn't demand much beyond basic power needs, especially for older systems or simple upgrades where a full-featured PSU would be overkill. Buy Now at Newegg

Anyone maintaining or upgrading servers that rely on HP's proprietary power supply setup will want this on hand, since finding a compatible replacement outside the original hardware line can be tricky. It's a straightforward option for keeping older HP server configurations running without hunting down a discontinued part. Buy Now at Newegg

Anyone running a PoE DVR setup that needs a dependable replacement power source will want this on hand, since a failing supply can take down your whole surveillance system without warning. Buy Now at Newegg

Anyone building out a home server or replacing a fried power supply in a compact Dell workstation will want this on hand, since finding compatible replacements for Optiplex and Precision cases can be trickier than shopping for standard ATX units. Buy Now at Newegg