Case Power Supply Deals & Case Power Supplies for Sale

Anyone running a Supermicro I610-G10 rig needs a spec-matched replacement, and this switching supply steps in without forcing you to modify the chassis or wiring. Buy Now at Newegg

Anyone replacing a failing PSU in a basic office build or media center should find this covers the essentials without paying for wattage you won't use, since 350W handles low-power setups like integrated graphics or single low-draw cards. Buy Now at Newegg

Server admins keeping older Inspur rack systems running will want a matching PSU on hand, since sourcing OEM-spec power supplies for these models gets harder once they're out of production. Newegg carries this 550W unit if you need a direct replacement rather than a generic substitute. Buy Now at Newegg

Data center techs replacing a failed server component will appreciate that this power supply matches OEM specs, so it slots in without reconfiguring the rest of the system. Buy Now at Newegg

Redundant power supplies matter for servers and NAS setups running mission-critical workloads, since this unit keeps things running even if one module fails, and the 80 Plus Gold rating cuts down on wasted energy over time. Buy Now at Newegg

Anyone building or repairing a slim rackmount system will want this on hand, since 1U cases need a flex-style supply to fit the low-profile chassis. It's a straightforward replacement part rather than an upgrade, so it suits server and NAS builders more than gaming rigs. Buy Now at Newegg

Anyone maintaining or upgrading a Dell Optiplex tower will want a PSU that matches the original spec exactly, since third-party replacements don't always fit the proprietary connectors. Newegg carries this 200W unit as a direct replacement, which saves you the guesswork of hunting down compatible wattage and pinout. Buy Now at Newegg

Golden Field's 700W unit is a straightforward option for mid-range gaming rigs or workstation builds that need reliable, steady power without paying extra for modular cabling or premium certifications. It's worth a look at Newegg if your build calls for solid wattage headroom without the higher price tag that comes with 80+ Gold or Platinum rated units. Buy Now at Newegg

Compact 1U form factor makes this a fit for space-constrained ITX server builds or industrial setups where a standard PSU won't physically fit, and 400W is enough headroom for lighter-load systems that don't need a beefier supply. Buy Now at Newegg

Server closets and small business setups running the 6500E benefit most, since matching the correct wattage keeps the system stable without overloading your circuit. Newegg carries this specific model, which matters here since off-spec power supplies won't work with this equipment. Buy Now at Newegg

Server admins keeping older Dell R320 or R420 rack units running will want a reliable replacement or backup PSU on hand, since matching the original wattage and connector layout matters more than chasing newer specs. Buy Now at Newegg

Anyone repairing or upgrading a Lenovo B325, B320, B340, B540, or B520 all-in-one can use this as a direct replacement without hunting down an OEM part number. Buy Now at Newegg

Data center techs replacing a failed 1U server supply will want this Delta unit for its compact form factor and standard output specs that match common rack setups. Buy Now at Newegg

Anyone rebuilding or repairing a prebuilt system will want a supply that matches the original spec exactly rather than guessing on a generic replacement, and at 460W this one covers most standard office or budget desktop setups. Buy Now at Newegg

Data center and server admins needing redundant power for HPE ProLiant systems will want this on hand, since matching wattage and hot-plug compatibility matters more than going with a generic replacement. Buy Now at Newegg

A solid pick if your B2500 build needs reliable power without paying for wattage you won't use, especially in a compact or budget-focused setup. It's a straightforward replacement or backup option for anyone running standard components rather than a high-end multi-GPU rig. Buy Now at Newegg

Server rebuilds and workstation upgrades needing serious wattage will find this HP G9 1,500W unit worth a look, especially if you're running multiple GPUs or high-draw components that standard consumer supplies can't handle. Newegg carries it for those who need enterprise-grade reliability without sourcing from a server parts specialist. Buy Now at Newegg

Server upgrades and repairs are exactly what this power supply is built for, since it's designed specifically to match the ML310e G8's specs rather than a generic replacement. Anyone maintaining older HP Proliant hardware will want a part that fits without modification, and this one comes from Newegg. Buy Now at Newegg

Handy for anyone whose Inspiron desktop won't power on or is showing signs of a failing PSU, since a compatible replacement gets you back up and running without the cost of a new tower. Buy Now at Newegg