Case Power Supply Deals & Case Power Supplies for Sale

A straightforward replacement option for HP Z420 workstation owners who need to swap out a failed or underpowered PSU without hunting down an OEM unit. Buy Now at Newegg

A straightforward option for anyone repairing or upgrading an HP Z210 workstation, since this is a proprietary form factor that requires a matching replacement rather than a standard ATX unit. Buy Now at Newegg

Redundant power supplies are built for servers or network equipment where an unexpected power failure could cause serious downtime, and this 850W unit from Juniper fits that use case for anyone running enterprise-grade networking hardware. Worth picking up if you need a spare or replacement and want to stay within the Juniper ecosystem. Buy Now at Newegg

A workstation-grade 1,100W power supply sized for the Dell T7500 tower, which is useful if your existing unit has failed or you're building out a dual-processor T7500 with high-draw components that need a reliable replacement PSU. Buy Now at Newegg

Designed for multi-GPU mining rigs or high-draw workstation builds, this 800W unit supports up to six GPUs from a single power supply, which cuts down on the cable clutter and complexity of running multiple PSUs. Buy Now at Newegg

A direct replacement for Lenovo desktop systems that use a proprietary form factor, so if your all-in-one or compact Lenovo PC has a failing power supply, this is the kind of unit you'd need rather than a generic aftermarket option. Buy Now at Newegg

A 2U form factor with 730W output makes this a reasonable fit for custom server builds or rack-mounted workstations where space is constrained but power headroom matters. Buy Now at Newegg

A compact replacement option for small form factor or micro-ATX builds where a standard-sized PSU won't fit, or for anyone repairing an older desktop that needs a lower-wattage unit. Buy Now at Newegg

A direct replacement option for HP Z228 workstations that need a power supply swap, and at a wattage that covers standard desktop workloads without excess overhead. Buy Now at Newegg

A straightforward replacement option if your Dell OptiPlex 390, 790, 990, 3010, 7010, or 9010 desktop has a failing or dead power supply and you want to avoid the hassle of cross-compatibility guessing with a generic unit. Buy Now at Newegg

A straightforward replacement option if your Dell Optiplex 360, 760, 780, or 960 desktop has a failing or dead power supply and you want to avoid sourcing a used unit. Buy Now at Newegg

A basic ATX power supply at the lower end of the wattage range, suited for budget builds or older systems that don't have the demands of a high-end GPU or overclocked CPU. Buy Now at Newegg

A solid option for mid-range PC builds or anyone upgrading from a lower-wattage unit, giving you enough headroom for a discrete GPU without overshooting your power budget. Buy Now at Newegg

A straightforward option for replacing a failed or underpowered desktop PSU, particularly if you're running an HP system that needs a compatible 185W unit rather than a generic replacement. Buy Now at Newegg

A straightforward replacement option for anyone running a Dell Precision T3630 or T3640 workstation that needs a power supply swap without hunting down a compatible third-party unit. Buy Now at Newegg

Useful if you're running 36V LED stage lighting that needs a 12V power supply, particularly for moving par or similar DMX-controlled fixtures where the voltage requirements don't match your existing setup. Buy Now at Newegg

Designed for server maintenance or lab environments where you need a verified replacement power supply for IBM P6 520 systems, this unit covers a fairly specific hardware need that can otherwise be hard to source. Buy Now at Newegg

Newegg has this HP Pavilion Desktop 510-p007la Power Supply listed for those who need a direct replacement for a failing or dead unit in that specific HP model. It's a narrow-fit part, so it's mainly relevant if you own this exact desktop and want to avoid sourcing a generic alternative. Buy Now at Newegg

A straightforward option for anyone who needs to swap out a failed or underpowered PSU in a desktop build, particularly if your system runs on the lower end of wattage requirements. Delta makes reliable OEM power supplies, so this is a functional replacement rather than an enthusiast upgrade. Buy Now at Newegg