Newegg Case Power Supply Deals & Case Power Supplies for Sale

Anyone running high-draw components in a compact build will appreciate the headroom this supply offers without taking up excessive case space, and the industrial-grade components mean you're less likely to deal with power issues down the line. Buy Now at Newegg

Server administrators running IBM's X3850X5 or X3950X5 will want a certified replacement or backup on hand, since this power supply is built specifically for those systems rather than a generic fit. Newegg carries it for anyone needing to keep those servers running without downtime. Buy Now at Newegg

Anyone rebuilding or repairing a desktop will want a dependable, properly rated power supply on hand, and the HP D12-240P3B gives you an OEM-spec replacement without hunting down a compatible aftermarket unit. Buy Now at Newegg

Server admins keeping legacy Dell MD3200/MD3600f storage arrays running will want a reliable replacement on hand, since sourcing OEM power supplies for older enclosures gets harder as the equipment ages. Buy Now at Newegg

This one suits anyone building or upgrading a mid-to-high-end PC, especially if you're running a power-hungry GPU that needs consistent, stable wattage under load. It's a straightforward pick if you want headroom for future upgrades without immediately maxing out your supply. Buy Now at Newegg

Anyone running a Rich TX300, RX300, or PS300 server that needs a replacement power supply will want this exact match, since server PSUs typically aren't interchangeable across different chassis models. Buy Now at Newegg

Anyone building a small form factor PC will appreciate that this SFX unit skips the tangle of unused cables thanks to full modularity, and 650W gives you enough headroom for a mid-range gaming build without stepping up to a bulkier ATX supply. Buy Now at Newegg

Space-constrained builds like small form factor or mini-ITX rigs benefit most from this one, since the SFX size and fully modular cables let you cut clutter without cutting wattage. Buy Now at Newegg

Handy as a replacement or backup for older desktop builds where the original power supply has died or you need a spare on hand for troubleshooting other systems. Buy Now at Newegg

Worth a look if you're building or upgrading a desktop and need a dependable power supply to keep your components running steadily under load. Buy Now at Newegg

This power supply suits anyone maintaining older HP ProLiant DL380 G5 servers who needs a reliable replacement without hunting down discontinued OEM parts. Newegg carries it for those keeping legacy enterprise hardware running rather than replacing the whole unit. Buy Now at Newegg

Small form factor builds need PSUs that don't hog space, and this SFX unit delivers 750W of 80+ Gold efficiency for compact PCs that still need to power decent hardware. It's a solid pick if you're squeezing a capable rig into a mini-ITX case without sacrificing wattage. Buy Now at Newegg

Server admins running the TX100 S2 will want this on hand as a spare, since a failed power supply can take down the whole system and specific replacements for older Fujitsu servers aren't always easy to source. Buy Now at Newegg

This power supply suits anyone maintaining or upgrading Dell PowerEdge R6515, R7515, R6525, R7525, R650, or R450 servers who needs a compatible replacement or backup unit on hand for redundancy. Newegg carries it for those looking to avoid downtime without sourcing directly from Dell. Buy Now at Newegg

Server builders and homelab enthusiasts needing reliable, high-wattage power for rackmount setups will find this useful, especially if you're replacing a failed unit in existing infrastructure where matching specs matters more than aesthetics. Buy Now at Newegg

Small form factor Dell towers can be picky about part compatibility, so this replacement power supply is worth having on hand if your Optiplex's original unit fails or you're upgrading components that draw more juice. Buy Now at Newegg

Anyone maintaining or expanding a Dell M1000E blade enclosure will want a reliable power supply on hand for swaps or redundancy, since downtime on these systems tends to affect multiple servers at once. Newegg carries this 2,700W unit if your data center or server room runs this chassis. Buy Now at Newegg

This power supply suits crypto miners or anyone running multiple GPUs, since the 2000W capacity and full modular cabling give you enough headroom for a large rig while keeping unused cables out of the way. Buy Now at Newegg

This power supply is a direct replacement part, so it suits anyone whose HK280-72PP, HK310-71PP, or HK360-71PP unit has failed and needs an exact match rather than a generic swap. Check your model number before buying since these connectors are specific to that lineup. Buy Now at Newegg