Newegg Case Power Supply Deals & Case Power Supplies for Sale

Newegg has the Engage Flex Pro 250W Power Supply for budget builders who need a reliable, no-frills unit for compact systems or basic office rigs rather than anything power-hungry. Buy Now at Newegg

Newegg has the ASRock SL-1000G 1,000W Power Supply for $100, which is $60 off the $160 list price. It's a solid pick for anyone building a higher-wattage PC with a power-hungry GPU, since 1,000W gives you headroom that smaller supplies can't. Buy Now at Newegg

Anyone building or repairing a budget desktop needs a reliable power supply that won't be the weak link, and this one covers standard ATX systems without extra frills you don't need. Buy Now at Newegg

Built for high-end rigs running multiple GPUs or heavy overclocking, this PSU gives you the headroom to add components later without needing a whole new power supply. Buy Now at Newegg

Handy for older desktop builds or basic upgrades where you just need a reliable, no-frills replacement for a failed ATX power supply without paying for wattage you don't use. Buy Now at Newegg

This one's for anyone running high-demand servers or workstations, where 1,600W of stable power keeps things running without bottlenecking on capacity. It's built specifically for the R12-1K6P2A chassis, so you'll want to confirm compatibility before ordering. Buy Now at Newegg

Anyone running a Dell R320 or R420 server as a spare or replacement part should have this on hand, since matching the OEM power supply keeps the swap simple and avoids compatibility headaches down the line. Buy Now at Newegg

Handles high-end builds with power-hungry GPUs without breaking a sweat, though the non-modular cables mean you'll want a case with room to tuck away what you don't use. Buy Now at Newegg

Server rigs like the HP ML310e G8 V2 are picky about power supplies, so this one's worth grabbing if you need an exact factory-spec replacement instead of gambling on a generic PSU. Buy Now at Newegg

Anyone building a mid-range gaming rig will want reliable power without paying for headroom they don't need, and 650W covers most single-GPU setups comfortably. Newegg has it in stock if you're piecing together a build and don't want to overspend on the PSU. Buy Now at Newegg

Anyone building a compact server rack or small-form-factor system will appreciate how this 1U supply fits tight spaces without sacrificing reliable output for lighter-load setups. Buy Now at Newegg

Dell Optiplex desktop owners dealing with a dead or failing power supply can grab this as a direct replacement without hunting for exact specs or wiring compatibility. It's a straightforward fix for a common failure point, sparing you the cost of replacing the whole machine. Buy Now at Newegg

Anyone running a Dell OptiPlex small form factor desktop that's lost its original power supply will want a direct-fit replacement rather than a universal unit that requires modifying the case, and this one's built specifically for those 3010, 7010, 9010, 790, and 390 models. Buy Now at Newegg

Anyone building or repairing a server rack will want this on hand, since the DPS-800AB-16K delivers 800W of stable output for demanding multi-drive or multi-GPU setups. Newegg carries it as a straightforward replacement part, which matters if your rig uses this exact model and you need a drop-in swap rather than a compatibility guessing game. Buy Now at Newegg

Anyone running critical servers or network gear will appreciate this module's failover protection, keeping systems online even if one power supply fails. Buy Now at Newegg

Server rack owners troubleshooting or upgrading a 2U setup will want this on hand, since finding a compatible 460W power supply for that specific chassis size isn't always straightforward. Newegg carries the P2G-6460P for those needing a direct replacement without hunting down an OEM part. Buy Now at Newegg

Anyone who's dealt with a dead prebuilt Dell knows the power supply is often the culprit, and this is the exact replacement spec for the Inspiron 3668, so you can swap it in without hunting down compatible wattage or connector specs. Buy Now at Newegg

Anyone maintaining or building out a Supermicro server rack will want a reliable spare like this on hand, since matching the exact form factor and wattage keeps replacements from turning into a compatibility headache. Newegg carries this model if you need to source one directly. Buy Now at Newegg

Anyone building or repairing a PC that needs reliable, consistent power delivery for mid-range components will get solid use out of this, especially if you're working on a budget rig or a secondary machine that doesn't demand a high-wattage unit. Buy Now at Newegg