Newegg Case Power Supply Deals & Case Power Supplies for Sale

Anyone maintaining an older IBM System x3250 M3, M4, or M5 server will want this on hand since these specific power supplies get harder to find as the systems age, and Newegg carries it for straightforward replacement without hunting through refurbished server parts listings. Buy Now at Newegg

Suits anyone with an aging Fujitsu Siemens X100 S3 desktop who just needs a direct replacement power supply rather than a full system upgrade, and Newegg has it in stock for when the original unit finally gives out. Buy Now at Newegg

Newegg has the ASRock CL-750B 750W Bronze Power Supply for $50, a $35 (41%) drop from its $85 list price, a solid pick if you're building or upgrading a mid-range desktop that doesn't need a high-end platinum or gold-rated unit. Buy Now at Newegg

Anyone building or repairing a PC on a budget will appreciate this power supply kit, since it delivers a stable 500W output without the premium price tag of higher-end units. Buy Now at Newegg

Anyone maintaining or upgrading a P720, P740, or P770 workstation will want a direct replacement on hand, since sourcing the correct power supply for these specific models can otherwise be a hassle. Newegg carries this compatible unit if your original fails or you're building out a spare parts inventory. Buy Now at Newegg

Data center and home lab builders needing reliable redundant power will want this module, since it's built to swap into compatible server chassis without downtime if one unit fails. Buy Now at Newegg

Anyone running high-draw components or multiple peripherals off one rig will appreciate the extra headroom this 2,320W supply gives you, especially if you're building or upgrading a system that pulls more power than typical units can handle. Buy Now at Newegg

Server and workstation builders needing a reliable replacement or backup switching power supply will find this Delta 670W unit does the job without extra frills. Buy Now at Newegg

Anyone maintaining or rebuilding older HP servers will want a reliable OEM-spec replacement on hand, since power supply failures tend to happen without warning and matching the original spec avoids compatibility headaches. Newegg carries this one if you need a drop-in replacement rather than a generic substitute. Buy Now at Newegg

Small-form-factor builds and 1U server chassis call for a compact flex power supply like this one, and the 80 Plus Bronze certification means you're getting reasonable efficiency without paying for higher tiers you likely don't need at this wattage. Buy Now at Newegg

Anyone building a high-end rig with multiple GPUs or overclocked components will want the extra headroom this 2,500W supply provides, since it keeps everything running stable under heavy load instead of maxing out your system's capacity. Buy Now at Newegg

This power supply suits anyone repairing or upgrading an older HP Z200 workstation rather than replacing the whole machine, since sourcing an exact-fit replacement gets harder as these systems age. Newegg carries it as a straightforward compatible part, saving you the hunt through surplus listings elsewhere. Buy Now at Newegg

This power supply suits anyone maintaining an older HP DL380 G4 server who needs a direct replacement rather than a compatible workaround, particularly for IT teams keeping legacy hardware running past its typical support window. Buy Now at Newegg

Anyone building or repairing a server rack will want a reliable power source like this on hand, since the 300W output covers most standard server configurations without overloading your system. Buy Now at Newegg

Handy if your Dell OptiPlex 3010, 7010, or 9010 tower is on the way out from a dying power supply, since Dell's mid-tower units use a proprietary form factor that a standard PSU won't fit. Buy Now at Newegg

Newegg's Dell 255W Power Supply Unit suits anyone whose Dell desktop's original PSU has failed, since matching the OEM specs helps avoid compatibility headaches that come with third-party replacements. Buy Now at Newegg

Anyone maintaining older Dell PowerEdge R510 or T710 servers will want this on hand, since a matching replacement power supply keeps aging hardware running without forcing a full system upgrade. Buy Now at Newegg

Anyone maintaining a C9000 or C9010 network setup will want a reliable replacement power supply on hand, and this Dell unit is built specifically to match those systems' power demands. Buy Now at Newegg

Budget builders replacing an aging PSU or finishing up a basic office rig will find this covers the essentials without paying for wattage you don't need. Buy Now at Newegg