Newegg Case Power Supply Deals & Case Power Supplies for Sale

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

Server rooms and workstations running demanding hardware benefit most from the HUS 600W, since it delivers steady, reliable power without the premium price tag of higher-wattage units. Newegg carries it for those who want a dependable supply without overspending on capacity they won't use. Buy Now at Newegg

Anyone building or upgrading a mid-to-high-end gaming rig will want the headroom this 850W supply offers, especially with power-hungry GPUs that spike under load. Newegg's price makes it a reasonable pick if you're already sourcing components there and want one less item to hunt down elsewhere. Buy Now at Newegg

Best suited for anyone maintaining or repairing an HPE DL140 G3 server, this replacement power supply gets an aging or failed unit back in service without the wait for HPE-branded parts. Newegg carries it as a straightforward, compatible swap for that specific server line. Buy Now at Newegg

This power supply suits anyone building or repairing a PC who needs a reliable 460W replacement without paying for extra features you don't need. It's a straightforward, no-frills option for budget builds or servers where steady output matters more than bells and whistles. Buy Now at Newegg

Anyone maintaining or upgrading a Dell R430, R330, or DSS1500 server will want a reliable replacement supply on hand for when the original starts to fail, and this one's built to the exact spec those systems need. Buy Now at Newegg

Anyone building or repairing a PC needs a dependable power supply on hand, and this one gives you 200W of steady output without the premium price tag of higher-wattage units you don't actually need. Buy Now at Newegg

Anyone running a home lab or upgrading a Dell PowerEdge server will want the extra headroom this supply provides, especially if you're adding more drives or GPUs down the line. It's a solid pick for keeping redundant power setups compatible with existing Dell chassis without hunting down proprietary parts elsewhere. Buy Now at Newegg

Anyone running a mining rig or multi-GPU setup will appreciate the steady 2,500W of output at 12V, since it's built to handle sustained heavy loads without the strain a standard PSU would face. Buy Now at Newegg

Anyone running multiple GPUs for mining or heavy compute workloads needs the headroom this 1,800W supply provides, since undersized power delivery is a common cause of rig instability. It's built for sustained, high-draw setups rather than a typical single-GPU gaming PC, so consider your actual wattage needs before picking this over a standard ATX unit. Buy Now at Newegg

Anyone running Juniper EX Series switches will want a reliable spare on hand, and this 930W AC power supply gives you that exact factory-spec replacement without hunting through third-party compatibility lists. Buy Now at Newegg

A solid pick for anyone building or upgrading a mid-range PC that needs stable, reliable power without stepping up to a pricier high-wattage unit. Newegg's listing makes it easy to fit into standard ATX builds where 650W covers most single-GPU setups comfortably. Buy Now at Newegg

This power supply suits anyone building or repairing a 2U server setup and needing a reliable 760W replacement rather than a full unit swap. It's a straightforward option for IT technicians or small data centers looking to keep existing server hardware running without sourcing an entirely new chassis. Buy Now at Newegg

Fully modular cabling makes this a solid pick if your build prioritizes clean airflow and easy cable management, and the 80 Plus Gold rating means it runs efficiently without wasting power as heat. Buy Now at Newegg

This power supply suits anyone running an HP Z800 workstation who needs a reliable replacement or upgrade to handle demanding, multi-component setups. Newegg carries it as a straightforward option if your original unit has failed or you're building out a system with higher power draw. Buy Now at Newegg

Anyone maintaining older IBM Power Systems infrastructure will want this on hand, since a failed power supply in a 5802 or 5877 expansion cabinet can take down I/O connectivity for the whole server. Buy Now at Newegg

Solid pick for older desktop builds or basic office rigs that just need reliable, no-frills power without the price tag of a premium unit. Buy Now at Newegg

Modular cabling makes this a solid pick if you're building a new rig and want to skip the cable clutter, and the 80 Plus Gold rating keeps things running efficiently under load without pushing your budget toward premium platinum pricing. Buy Now at Newegg