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

Anyone building or repairing a system with an older AT/ATX-style setup will want a reliable, straightforward wattage option like this without paying for features you don't need. It's a practical pick if your build is modest in power draw and you just need a dependable, no-frills supply from a name you can trust. Buy Now at Newegg

Anyone running or repairing an older IBM X206 server will want a direct-fit replacement like this rather than gambling on a generic supply that may not match the connectors or power draw. Buy Now at Newegg

Anyone building a high-end gaming rig or a multi-GPU workstation needs headroom like this, since 2400W leaves plenty of margin for overclocking without worrying about tripping the supply. It's a practical pick for setups that would otherwise sit right at the edge of a lower-wattage unit's capacity. Buy Now at Newegg

Anyone building or repairing an industrial-grade server setup needs a power supply that's rated for continuous duty, and this one is built specifically for that environment rather than standard desktop use. Buy Now at Newegg

This power supply module suits anyone maintaining or repairing Inspur server hardware and needing an exact-spec replacement rather than a generic substitute. It's a straightforward option for data center techs or IT departments stocking spares for planned failovers. Buy Now at Newegg

Server owners running Dell PowerEdge T610 or R710 towers can use this as a backup or replacement supply to keep critical systems running if one unit fails. Buy Now at Newegg

Anyone replacing a failed server or workstation power module will want an exact-spec swap, and this unit matches the DPS-300AB-47 F output requirements without forcing a full system upgrade. Buy Now at Newegg

Data center admins managing HPE server infrastructure will want this for reliable redundant power without downtime during swaps, and the Platinum Plus rating means less wasted energy compared to standard supplies. Buy Now at Newegg

Anyone repairing or upgrading an older OptiPlex tower will want a supply that matches the original spec exactly, and this 255W unit is built to drop into the 3020, 7020, and 9020 without any wiring workarounds. Buy Now at Newegg

Anyone building a mid-to-high-end gaming rig needs a power supply with enough headroom for a hungry GPU, and 1,200W gives you room to upgrade components later without worrying about running out of capacity. Buy Now at Newegg

This 150W power supply is built specifically for the ThinkCentre M90z all-in-one desktop, so it's a straightforward pick if your original unit has failed and you need an exact replacement rather than a universal fit. Newegg carries it for those dealing with a dead or unreliable PSU on this particular model. Buy Now at Newegg

Anyone building or upgrading a desktop needs a reliable PSU, and this one's a solid pick if you want stable power delivery without paying for extras you don't need. Buy Now at Newegg

Anyone building or upgrading a PC that needs reliable, consistent power delivery should take a look at this one, especially if you're running components sensitive to voltage fluctuations. It's a solid pick for a build where you want steady output without paying for features you won't use. Buy Now at Newegg

Anyone running an older HP ProLiant DL380G5 server as a replacement part or backup will want this on hand, since finding a compatible 1,000W unit gets harder as the hardware ages. Newegg carries it as a straightforward way to keep aging server hardware running without hunting through third-party listings of uncertain quality. Buy Now at Newegg

This power supply is built specifically for HP Z230 workstations, so it's the one to grab if you need an exact replacement rather than a universal PSU that requires modding. Anyone running that machine for CAD, video editing, or other demanding workloads will want the correct wattage and connector layout HP originally spec'd for it. Buy Now at Newegg

Anyone building or repairing a desktop, running a home lab, or powering DIY electronics projects needs a stable DC source like this, since it converts standard AC input into consistent 300W output without the guesswork of rigging up a workaround. Buy Now at Newegg

Data center operators managing server rack setups will want this for its ATC160W spec, which handles power delivery for demanding server hardware without needing a custom solution. Newegg carries this one if you're building or maintaining server infrastructure and need a reliable, purpose-built supply rather than a general-use unit. Buy Now at Newegg

Data center admins and homelab builders running redundant server setups will want this on hand, since 750W supplies like this are typically sourced as exact replacements rather than general-purpose parts. Check Newegg's listing for compatibility with your specific server chassis before ordering. Buy Now at Newegg

Anyone running an HP Z440 workstation and dealing with a failing or underpowered stock supply will want this as a direct replacement rather than hunting for a generic compatible unit. Buy Now at Newegg

Older desktops or budget rebuilds where you just need a reliable, no-frills PSU without paying for wattage you'll never use. Buy Now at Newegg