Newegg Case Power Supply Deals & Case Power Supplies for Sale

A Newegg shellshocker deal, get the Corsair CX-M CX750M, a 750-watt 80 PLUS Bronze semi-modular power supply for $60. That's a savings of $40. It includes a rifle bearing fan for quieter operation and Japanese capacitors rated at 105°C, backed by a 5-year warranty. Buy Now at Newegg

The ASRock PRO Series PRO-750G is $55 at Newegg right now. It's $50 under the current price at Amazon and the lowest price we could find. Free shipping applies.  Buy Now at Newegg

Newegg offers the ASRock Steel Legend SL-850GW 850W 80 PLUS Gold Power Supply for $85. That's a savings of $65. Shipping is free.  Buy Now at Newegg

Newegg offers the ASRock Steel Legend SL-850G 850W Full Modular Power Supply for $80. That's a savings of $50 and the lowest price we could find by $10. Shipping is free. Buy Now at Newegg

Redeem the on-page rebate to get this for $100. That's a savings of $60. Shipping is free. Buy Now at Newegg

This Montech Century II power supply is $89.90 at Newegg with free shipping. That's a savings of $20. Shipping is free. Buy Now at Newegg

Newegg offers the ASRock PRO Series PRO-750G PLUS Gold Certified Power Supply for $55. That's a savings of $25. Shipping is free. Buy Now at Newegg

At Newegg, get the Corsair RMx Shift Series RM1200x Shift Fully Modular 80PLUS Gold ATX Power Supply for $160. That's a savings of $95 and it comes with a $30 Newegg gift card. Shipping is free. Buy Now at Newegg

At Newegg, get the Corsair CX Series CX750 80 PLUS Bronze ATX Power Supply for $60 . That's the best price we could find by $20. Shipping is free. Buy Now at Newegg

At Newegg, the MSI MPG A850GS PCIE5, an 850W fully modular power supply with 80 PLUS Gold certification for up to 90% efficiency is $80 after a $10 rebate (clearly linked on the product page). That's a total savings of $30 and the best price we could find.  It includes dual native 12V-2x6 PCIe connectors, each capable of delivering up to 600W, along with a fluid-dynamic bearing fan and a Zero Fan Mode for quiet operation. It ships for free.  Buy Now at Newegg

Redundant power supplies like this one are worth having if you're running a server that can't afford downtime, since a second unit keeps things running if one fails. At 550W, it suits small to mid-sized server builds rather than heavy enterprise loads, and Newegg's price makes it a reasonable add-on for a home lab or small business setup. Buy Now at Newegg

Server rack owners running a Dell PowerEdge R730, R630, R530, or T630 will want this on hand for replacing a failed unit or adding redundancy without waiting on OEM lead times. Buy Now at Newegg

Anyone running a Lenovo M70a or M90a Gen3 desktop that's lost power or is due for a replacement will want to match specs exactly, and this unit is built specifically for those two models. It's a straightforward fix if your original PSU has failed or you're setting up a spare machine. Buy Now at Newegg

Anyone maintaining or repairing an older Dell GX100, GX110, or GX200 desktop will want this on hand, since original power supplies for these systems are getting harder to source. It's a straightforward replacement part rather than an upgrade, so it suits repair jobs where matching the original specs matters more than adding new features. Buy Now at Newegg

Newegg sells the Dell OptiPlex XE2 SFF 315W Power Supply Unit for anyone whose small form factor system needs a factory-spec replacement rather than a generic swap-in. It's built to Dell's exact specifications, so fit and connector compatibility won't be a guessing game like they can be with third-party units. Buy Now at Newegg

Reliable pick for a budget or mid-range build where you don't need extra wattage headroom for high-end graphics cards, just steady, consistent power for everyday components. Buy Now at Newegg

Data center admins and server builders needing failover protection will appreciate the redundant design, which keeps systems running if one power supply fails, and the 80 Plus Gold rating helps keep energy costs down during continuous operation. Buy Now at Newegg

Datacenter admins replacing or scaling out HP Gen9 server hardware will want this on hand, since matching the OEM power supply spec keeps redundancy and airflow design intact. Newegg carries it for situations where sourcing directly from HP isn't practical or fast enough. Buy Now at Newegg

Anyone running a home lab or upgrading a server build can use this as a solid replacement or backup power supply, since it delivers stable 12V output for demanding hardware without the markup of buying new from HP directly. Buy Now at Newegg

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