Newegg Case Power Supply Deals & Case Power Supplies for Sale

The DS2000-3-002 suits anyone building or maintaining a server rack who needs a reliable replacement power supply without going through the original manufacturer's markup. Newegg carries it for buyers who want a straightforward, no-frills component swap rather than a full system upgrade. Buy Now at Newegg

For anyone building or repairing a compact 1U server setup, this Flex power supply delivers a reliable 400W in a form factor that fits tight rackmount chassis without modification. Buy Now at Newegg

Anyone rebuilding an older desktop or replacing a failing PSU can grab this as a straightforward, no-frills swap without paying for wattage or features you don't need. Buy Now at Newegg

For anyone building a mid-range PC that still needs reliable, efficient power delivery, this supply's 80 Plus Platinum rating means less wasted energy and heat compared to standard 80 Plus units, without paying for wattage you don't need. Buy Now at Newegg

Anyone building a high-performance rig with power-hungry GPUs will want the headroom this 1,200W supply provides, so you're not stuck upgrading again down the line. Buy Now at Newegg

Built for high-end systems pulling serious wattage, the 80 Plus Titanium rating means less heat and lower electricity costs over the life of the PSU compared to lower-tier efficiency ratings, and full modular cabling keeps your build clean. Newegg has it at $260, which is $40 (13%) off the $300 list price. Buy Now at Newegg

Server rack builds and workstation upgrades that need reliable, consistent power are where this one fits best, especially if you're already running HP-compatible hardware and want a straightforward replacement or backup unit. Buy Now at Newegg

This power supply suits anyone building or repairing a duplication tower or multi-drive setup and needs reliable, stable output for multiple optical drives running at once. Newegg's a sensible spot to pick one up if you're already sourcing other PC components there. Buy Now at Newegg

Anyone running a server setup where uptime matters will want this on hand, since the redundant design keeps things running even if one power module fails. Buy Now at Newegg

HP's 240W supply is a straightforward fit for anyone maintaining or repairing a DC7900 SFF desktop, giving you an exact-match replacement instead of hunting down a generic unit that might not seat or vent properly. Newegg carries it if your original supply has failed and you need the machine running again without a full rebuild. Buy Now at Newegg

Anyone running an older Dell OptiPlex GX620 or PowerEdge SC440 into the ground knows factory power supplies eventually give out, and this replacement gets that specific hardware back up without hunting down a discontinued part. Buy Now at Newegg

Anyone building or replacing parts in a compact server setup will want the space savings of a 1U form factor without sacrificing reliable, consistent power delivery. Buy Now at Newegg

Anyone building or repairing a server rig will want this on their radar, since it's built specifically for that hardware rather than a repurposed desktop unit. Newegg carries it if you need a straightforward replacement without hunting down obscure specs elsewhere. Buy Now at Newegg

For anyone building or repairing a 1U server setup, this 400W power supply gives you a compact, no-frills replacement that fits the tight space constraints without sacrificing reliable output. Buy Now at Newegg

Data center and server room techs will want this on hand, since hot-swap capability means you can replace a failed unit without powering down the whole system. Buy Now at Newegg

Running multiple GPUs for mining or a heavily loaded rig can trip up a standard power supply, so this 700W ATX unit suits anyone who needs stable output across several cards without overloading a single connector setup. Buy Now at Newegg

For anyone running a Flex System chassis, this power supply is a straightforward way to keep your setup properly juiced without hunting down a discontinued OEM part, and Newegg makes it easy to add to your spare parts inventory. Buy Now at Newegg

Anyone building a budget desktop or replacing an aging PSU will appreciate the 580W of headroom for a mid-range CPU and graphics card without paying for capacity you don't need. Buy Now at Newegg

Keeping an aging Pavilion Slimline running often comes down to a failing power supply, so this replacement suits anyone whose desktop won't boot or shuts off unexpectedly rather than justifying a whole new machine. Newegg carries it as a direct fit for the s5-1225la, taking the guesswork out of matching specs yourself. Buy Now at Newegg