Newegg Case Power Supply Deals & Case Power Supplies for Sale

Server admins keeping older Dell PowerEdge R720 or R620 rigs running will want a reliable replacement on hand for when a power supply fails, since matching the original wattage and model keeps redundancy intact. It's a straightforward fix for a specific problem rather than a general-purpose part, so double check your server model before buying. Buy Now at Newegg

Worth keeping on hand if you're maintaining or repairing a Dell T5600 or T3600 workstation, since finding a compatible replacement power supply for these specific towers isn't always straightforward. Newegg carries it for those needing an exact-fit part rather than a generic aftermarket substitute. Buy Now at Newegg

Server owners running an HP ProLiant ML310e G8 will want this on hand as a direct replacement for a failing or dead power supply, since matching the OEM spec avoids compatibility headaches with the server's fan and airflow controls. Buy Now at Newegg

Fully modular and 80 Plus Platinum certified, this PSU suits builders who want efficient, reliable power for a high-end rig without cable clutter, and Newegg has it for $10 off the $160 list price. Buy Now at Newegg

Server admins running an NBU 5240 expansion cabinet who need a reliable replacement power supply will find this handy for keeping storage arrays running without downtime, and Newegg carries it for those exact replacement scenarios. Buy Now at Newegg

Data centers and server builds running heavy loads benefit most here, since 600W in a 2U form factor gives you enough headroom without eating into rack space you need elsewhere. Buy Now at Newegg

Suits anyone maintaining or repairing NEC equipment that needs a reliable, spec-matched replacement power supply rather than a generic substitute. Newegg carries it if your original unit fails and you want a straightforward drop-in fix. Buy Now at Newegg

Anyone repairing or upgrading a Dell T5810 or T7810 workstation needs a compatible replacement, and this one matches the original spec so you don't have to worry about fit or wattage issues. Buy Now at Newegg

Anyone maintaining industrial control systems or servers built around FSP hardware will want this on hand as a direct replacement power supply, since sourcing exact-spec parts for equipment repairs usually takes longer than the fix itself. Newegg carries the FSP300-70PFL if you need this specific model rather than a generic substitute. Buy Now at Newegg

Anyone building a high-end rig with multiple GPUs or an overclocked CPU will want the headroom this 1,800W supply provides, and the modular cables mean you're not stuck routing bulky wires you don't need. Buy Now at Newegg

Suits anyone running multiple GPUs for crypto mining or a similar high-draw rig, since the 1,600W capacity gives you enough headroom to keep several cards powered without overloading a standard PSU. Buy Now at Newegg

This power supply suits anyone whose Dell Inspiron desktop's original PSU has failed, since it's built to the exact specs your 3670, 3671, or 3980MT model needs rather than a generic replacement. Getting the wattage and connectors right matters here, and Newegg's listing is matched specifically to these tower models. Buy Now at Newegg

Fits desktop PCs that need a straightforward power supply swap, especially if you're troubleshooting a system that won't boot or shuts down unexpectedly. It's a match for HP's specific form factor, so double-check your model before ordering. Buy Now at Newegg

Handy as a replacement or backup for Dell desktops needing a 240W supply, especially when your original unit fails and you want an exact-match wattage instead of guessing on compatibility. Buy Now at Newegg

Worth a look if you're replacing a failed OEM unit rather than upgrading, since this matches the original KSF-200F4 and KSF-250F4 specs without hunting for a compatible aftermarket substitute. Buy Now at Newegg

Anyone maintaining or replacing parts in existing systems will appreciate having this specific power supply model on hand rather than hunting down a compatible substitute. Newegg carries it as a direct replacement option, which matters when your build or repair depends on exact specs matching. Buy Now at Newegg

This 550W unit suits budget builds and mid-range gaming rigs that don't need extra headroom for future upgrades, giving you steady power without paying for wattage you won't use. Newegg's price makes it a straightforward pick if you're assembling a value-focused system. Buy Now at Newegg

Best suited for a budget build where you just need reliable, steady power for basic components without paying for extra wattage or modular cables you won't use. Buy Now at Newegg

The JPSU-350-AC-AFO is a front-to-back airflow power supply built for Juniper switch enclosures where hot-aisle/cold-aisle setups matter, so it suits data center and server room deployments needing matched airflow direction across the rack. Anyone maintaining or expanding an existing Juniper network switch installation would want this on hand as a compatible replacement or spare. Buy Now at Newegg