Case Power Supply Deals & Case Power Supplies for Sale

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

Redeem the on-page rebate to get this for $100. That's a savings of $60. 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

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

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

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

This Rosewill VSB750 power supply is $54.51 at Amazon. That's $5 less than our mention three weeks ago and the best price we found now by $15. Shipping is free.  Buy Now at Amazon

B&H Photo Video offers the SeaSonic Electronics Focus GX ATX 3.1 750W 80 PLUS Gold Modular Power Supply for $90. That's $50 under list, $50 under Amazon, and the lowest price we could find. It supports the newer ATX 3.1 and PCIe 5.1 standards with native 12VHPWR connectors, and comes with a 10-year manufacturer warranty. Free next-day shipping applies.  Buy Now at B&H Photo Video

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

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

Worth a look if you're building a mid-range PC and want a power supply that won't waste electricity as heat, since the 80Plus Gold rating means it runs more efficiently than standard units. 500W covers most single-GPU setups without paying for capacity you don't need. Buy Now at Newegg

Anyone rebuilding an older office PC or a compact HTPC setup can grab this to replace a failing supply without overspending on wattage they won't use. Buy Now at Newegg

Anyone building or upgrading a mid-to-high-end gaming rig will want the headroom this gives you, especially with a power-hungry GPU in the mix. It's a practical pick if you want to avoid worrying about wattage every time you add another component. Buy Now at Newegg

Data centers and home lab builders who need reliable redundant power will get the most out of this, since it's built to industry server standards rather than typical consumer PSU specs. It's a practical swap for anyone maintaining or upgrading existing server hardware where compatibility matters more than flashy features. Buy Now at Newegg

Server administrators running PowerEdge R610 systems will want this on hand for redundancy or as a replacement, since matching the exact wattage and model keeps failover power working the way Dell designed it. Buy Now at Newegg

This power supply fits specific Dell server models (H5050, H5055, M6475, M6300, A6800t), so check your model number before buying if you need a direct replacement part rather than a universal fit. Buy Now at Newegg

This power supply is built specifically for Dell OptiPlex 3060, 5060, and 7060 mini tower systems, so it's a straightforward replacement if your original unit fails and you want something that fits without modification. Newegg has it available for those who'd rather match Dell's exact specs than hunt for a generic universal PSU. Buy Now at Newegg

Anyone maintaining or upgrading a Dell R430, R330, or DSS1500 server will want a reliable replacement power supply on hand to avoid downtime when the original fails. Buy Now at Newegg

Keeping an aging HP Z400 workstation alive often comes down to the power supply, and having a direct replacement on hand saves you from hunting down a discontinued part when it finally gives out. Newegg carries this 475W unit for anyone running a Z400 in a home lab or office setup who'd rather fix it than replace the whole machine. Buy Now at Newegg