Newegg Case Power Supply Deals & Case Power Supplies for Sale

Anyone building an industrial-grade or continuously running PC setup will appreciate the FSP 700W's rated durability, since it's designed to handle demanding workloads without the frequent replacement cycle of consumer-grade units. Buy Now at Newegg

Anyone dealing with a failing or lost Dell laptop charger will want a direct-fit replacement like this, since it's built to the exact wattage and specs your machine expects rather than a generic universal adapter. Buy Now at Newegg

Server admins keeping older PowerEdge R610 systems running will want a reliable replacement or backup power supply on hand, and this 717W unit fits that role without hunting down a discontinued OEM part. Buy Now at Newegg

Anyone running a server rack that can't afford downtime will appreciate the redundant setup, since a second power supply keeps things running if one unit fails. Buy Now at Newegg

Anyone building or repairing a compact 1U server setup will want a power supply that fits the tight form factor without cutting corners on reliability, and this Supermicro unit is built specifically for that job. Buy Now at Newegg

This power supply suits anyone building or repairing a server rack and needing a reliable 460W replacement unit rather than a full system overhaul. It's a straightforward fix for data closets and home lab setups where matching original spec matters more than finding the cheapest generic option. Buy Now at Newegg

A solid pick if your HP ProDesk 600G3 SFF's original power supply has failed, since it's built to match the exact wattage and form factor the small form factor case requires rather than forcing you to hunt for a generic replacement that may not fit. Buy Now at Newegg

Older Optiplex towers can be finicky about replacement parts, so this one's worth grabbing if you need a direct-fit power supply for a GX520 or GX620 without hunting for a compatible aftermarket unit. Buy Now at Newegg

Data center admins and server hobbyists rebuilding older HP DL380 G6/G7 units will want this on hand, since finding compatible replacement power supplies for these generations can get tricky once the originals fail. Buy Now at Newegg

A solid pick for small form factor builds where space is tight, this SFX unit still delivers 750W of 80+ Gold efficiency without forcing you to compromise on power for a compact case. Buy Now at Newegg

Small form factor builds benefit most from this one, since the flex ATX design fits compact cases where a standard PSU won't, and full modular cabling lets you skip the unused cords cluttering up tight spaces. Buy Now at Newegg

Small-form-factor builds need a PSU that fits the case without sacrificing reliable power, and this 350W SFX unit handles that for compact rigs that don't demand high-wattage components. It's a solid pick for mini-ITX builds or HTPC setups where every inch of case space counts. Buy Now at Newegg

Anyone building or upgrading a desktop needs a dependable power supply that won't be the weak link in the system, and this one covers the wattage and connector needs of most mid-to-high-end builds without overpaying for extras you won't use. Buy Now at Newegg

A solid pick if your electronics project or DIY build needs steady, reliable power without the bulk of a full-size supply, especially for setups where space under the desk or in the enclosure is tight. Buy Now at Newegg

Anyone building a high-performance rig with power-hungry GPUs will appreciate the 80+ Gold efficiency rating on this SilverStone unit, which keeps waste heat and electricity costs down over years of use. Buy Now at Newegg

Data center techs and small business IT folks running rack-mounted servers need reliable power delivery without the guesswork, and this supply fits that role with a straightforward 450W output built for server chassis. It's a practical replacement part to keep on hand for maintenance or upgrades rather than a general-purpose PSU for a desktop build. Buy Now at Newegg

Anyone building a higher-wattage rig for a power-hungry GPU can count on the 80 PLUS Gold certification for efficient, stable output, and the fully modular cables make cable management simpler. Newegg has it for $158.99, which is $31 off the $189.99 list price. Buy Now at Newegg

This redundant power supply suits anyone running a Dell T300 server who wants failover protection in case one unit fails, keeping your system online without interruption. Buy Now at Newegg

Data center techs and server-building hobbyists swapping out a dead PSU or setting up redundant power will want this, since it's built to the same specs as the original OEM unit rather than a generic replacement. Buy Now at Newegg