Case Power Supply Deals & Case Power Supplies for Sale

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

This ASRock Challenger CL-750G power supply is available at Newegg for $49.99. That's the best price we could find by $19. Plus, it ships free. Buy Now at Newegg

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

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

Amazon offers the ASRock Steel Legend SL-1000G 1000W Power Supply for $100. That's $60 off original list and the lowest price it's ever been at Amazon. Buy Now at Amazon

Amazon offers the Corsair RM750e Fully Modular 750W PSU for $90. Save $25 compared to the typical price on this modular 750W power supply, which offers quiet operation and modern standby compatibility with new PCIe standards. Buy Now at Amazon

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

Amazon offers the Corsair SF1000 Modular SFX Power Supply for $170. That's $100 off and the lowest price we've seen for it. Shipping is free. Buy Now at Amazon

Save on Rosewill power supply deals at Newegg, including discounts on ATX 3.0 and ATX 3.1 compatible models. Plus, get an extra 10% off on select models via coupon code "RWPC65". We've pictured the Rosewill CMG 850W 80+ Gold Full Modular Power Supply for $70 ($30 off) after the coupon code "RWPC65". Other deals include the Rosewill CMG5 1000W 80+ Gold Full Modular Power Supply for $100 ($20 off) and the Rosewill VMG 850W 80+ Gold Full Modular Power Supply for $90 with promo code "RWPC65". Free shipping applies. Shop Now at Newegg

Anyone building or upgrading a high-draw gaming rig will appreciate the 1,000W of headroom and full modular cabling, which keeps case wiring clean while easily handling power-hungry GPUs. The 80+ Gold certification and ATX 3.1 compliance also make it a future-proof choice for pairing with newer, spike-prone graphics cards. Buy Now at Amazon

A compact, high-wattage 5V supply suited for powering single-board computers, LED strips, or other DC projects where you need consistent amperage without building your own power solution. Buy Now at Newegg

A 1U form factor makes this a niche pick suited for compact rackmount server builds or small form factor cases where a standard ATX PSU simply won't fit, and the 80Plus certification means it meets a baseline efficiency standard you'd want for any always-on system. Buy Now at Newegg

A useful find if you need to replace a failed power supply board in a Dell S2721NX monitor, since sourcing internal replacement parts for specific monitor models can be tricky to track down at a reasonable price. Buy Now at Newegg

A straightforward option for IT admins or data center operators who need a replacement 1000W power supply for an HP ProLiant DL380 G5 server, where sourcing compatible parts can be tricky. Buy Now at Newegg