Newegg Case Power Supply Deals & Case Power Supplies for Sale

Anyone building or maintaining an industrial PC setup will want the steady, reliable output this power supply is designed to handle, especially in environments where standard consumer-grade units tend to fail. Newegg carries it for those needing a dependable component built specifically for demanding, continuous-use applications. Buy Now at Newegg

Server-grade builds or high-draw workstations benefit most from this one, since the 80 Plus Platinum rating means less wasted heat and power compared to standard supplies. Buy Now at Newegg

A solid pick for anyone building a mid-range gaming rig, since 750W gives you enough headroom for a decent CPU and GPU pairing without paying for capacity you won't use. Buy Now at Newegg

Anyone building a basic office PC or upgrading an older system without power-hungry components can rely on this for stable, no-frills power delivery. It's a straightforward pick if you just need reliable wattage without paying for capacity you won't use. Buy Now at Newegg

Server rack builders and hardware techs replacing a failed unit will want this one, since matching the original wattage and connector layout means no rewiring or compatibility guesswork. Buy Now at Newegg

Anyone building out a server rack or running high-power electronics benefits from having a reliable 1U form factor supply that fits standard rack setups without eating extra space, and 150W covers most small-to-mid equipment needs. Buy Now at Newegg

This power supply is a direct replacement for Compaq small form factor desktops, so it's worth grabbing if your original unit died and you want a matching fit without modifying the case. Buy Now at Newegg

Anyone rebuilding or repairing a Lenovo V440 desktop will want a PSU that matches the original specs exactly, and this 680W unit is built to slot in without the guesswork of a generic replacement. Buy Now at Newegg

Anyone building or upgrading a mid-tower system will appreciate the 80 PLUS efficiency rating here, since it means less wasted power and heat compared to a standard supply, and 800W gives you decent headroom for a mid-range GPU setup. Buy Now at Newegg

Anyone maintaining an older ML310e G8 V2 server will want a direct replacement on hand, since a failed power supply can take the whole machine down until it's swapped. Buy Now at Newegg

Good pick if you're replacing a failed stock PSU in an older Dell Optiplex tower and need something built to the exact form factor rather than a universal unit that may not fit. Buy Now at Newegg

Anyone building a compact 1U server setup needs a power supply that fits the tight form factor without sacrificing wattage, and this one delivers 600W in that slim flex profile Newegg carries. Buy Now at Newegg

Anyone running a power-hungry GPU and multiple drives will want the headroom this supply provides, since 1,000W keeps high-end builds stable without maxing out the unit's capacity. Buy Now at Newegg

Gamers upgrading to a power-hungry GPU without replacing their entire Alienware system will want this, since it's built specifically to handle the extra load those video card docks require. Buy Now at Newegg

Anyone running a power-hungry workstation setup or building out a Z4 G4 will want a PSU that matches the original specs exactly, and this one covers that without hunting down a discontinued part. Buy Now at Newegg

Cryptocurrency miners and anyone running multiple high-draw GPUs need this kind of headroom, since standard consumer power supplies can't reliably handle that continuous load. Buy Now at Newegg

Anyone building a compact or budget PC that doesn't need much power draw will get solid, reliable performance out of this without paying for extra wattage you won't use. Buy Now at Newegg

Anyone building or repairing server hardware needing a dependable replacement power supply will want this, since it's a straightforward swap for equipment specifying the Emerson DS460S-3-003 spec. Buy Now at Newegg

Handy for anyone building or repairing a workstation-grade PC that needs a reliable, high-wattage supply without paying for a full retail power supply kit; check your case and connector compatibility before buying, since this is a server/OEM-style unit. Newegg carries it if you need a straightforward replacement part rather than a boxed retail option. Buy Now at Newegg