Case Power Supply Deals & Case Power Supplies for Sale

Anyone repairing or replacing a failed power supply in industrial or specialty equipment will want to check compatibility with this Tyco unit before buying, since it's built to exact OEM specs rather than as a universal fit. Newegg carries it if you need a direct replacement without hunting down the original manufacturer. Buy Now at Newegg

Server administrators maintaining older Sun hardware will want this as a direct replacement option, since sourcing OEM power supplies for these specific legacy systems gets harder every year. Buy Now at Newegg

Server rack builders and small-form-factor PC projects tend to need exactly this kind of compact power supply, since the slim 1U profile fits cases where a standard ATX unit simply won't. Newegg's got it if you're piecing together a home server or NAS build and need output that matches your space constraints. Buy Now at Newegg

Modular cabling is the main reason to consider this over a non-modular unit — you only connect the cables your build actually needs, which keeps unused cables out of your case and makes cable management noticeably cleaner. The 80 Plus Gold rating means it runs efficiently enough that you won't be wasting much power as heat, which matters if your PC runs for long stretches. Buy Now at Newegg

A 200W 1U form factor PSU suited for compact server builds or rack-mounted systems where space is tight and power requirements are modest. Buy Now at Newegg

Newegg has this 1,200W power supply listed as a direct replacement for Huawei X6000, RH1288V2, and RH2288V2 servers, so it's a straightforward option if you're maintaining or expanding one of those specific server models and need a compatible unit without sourcing through enterprise channels. Buy Now at Newegg

A straightforward upgrade or replacement option for Dell small form factor desktops that need a higher wattage power supply, particularly if you're adding components that your current unit can't handle. Buy Now at Newegg

A practical find for anyone maintaining or repairing an older Dell PowerEdge T300 tower server, where finding a compatible replacement PSU can be more trouble than it's worth. Buy Now at Newegg

Builders running high-draw setups with dual GPUs or overclocked systems benefit most from the 1,250W capacity and fully modular cabling for cleaner routing. Amazon has it for $140, which is $80 (36%) off the $220 list price. Buy Now at Amazon

Anyone repairing or upgrading an HP ProDesk 600 G1 desktop will want a power supply that matches the original specs exactly, so replacing a failing unit is straightforward without hunting down compatibility info elsewhere. Buy Now at Newegg

A steady power supply matters most when you're running rigs for extended stretches, and 2,000W gives you enough headroom to handle multiple GPUs without tripping under load. Newegg carries this option for anyone building or upgrading a mining setup that's outgrown a standard consumer PSU. Buy Now at Newegg

Refurbished or replacement builds on the HP Z4 G4 lean on this power supply, so it's worth having on hand if your workstation's original unit fails and you want a direct fit instead of hunting for a generic substitute. Buy Now at Newegg

Workstation owners running Dell's T5810 tower will want a direct replacement on hand, especially if they're pairing the machine with power-hungry GPUs or extra drives that push past the stock supply's limits. Buy Now at Newegg

Anyone running a Dell Precision T3500 who needs a direct replacement power supply will want this, since matching the OEM specs avoids the fit and compatibility headaches that come with generic PSUs. Buy Now at Newegg

Small-form-factor PC builders trying to squeeze a decent power supply into a cramped ITX case will appreciate this one, since 220W is enough headroom for a modest build without the bulk of a standard ATX unit. It's a practical pick for compact home theater PCs or basic office builds rather than gaming rigs with dedicated graphics cards. Buy Now at Newegg

Worth keeping on hand as a replacement for small form factor HP desktops, since these compact PSUs aren't interchangeable with standard ATX units and can be tricky to source once your original fails. Newegg has it listed if you need one that matches OEM specs without hunting through third-party listings. Buy Now at Newegg

Server racks and enterprise setups needing reliable backup power will get the most out of this rectifier module, since IBM builds these to handle consistent, heavy-duty loads without the failure rate you'd risk from a generic replacement part. Buy Now at Newegg

Dell's L290EM-01 is a factory replacement for select Dell desktop towers, so it's worth grabbing if your original power supply died and you want a matching part instead of a generic swap. Newegg carries it for those doing their own repair, which saves you a trip to a repair shop for what's usually a straightforward install. Buy Now at Newegg

Anyone building or upgrading a server rack will want the reliable, consistent power delivery this 800W supply offers, especially in setups where uptime matters more than flashy features. Buy Now at Newegg