With promo code "SSF73786", this Raidmax RX-850AED 850W power supply drops to $44.99. That makes for a savings of $25 in total. 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-850GW 850W 80 PLUS Gold Power Supply for $85. That's a savings of $65. 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

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, 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

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

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

Data center admins managing MX80 routers will want this as a direct-fit replacement power supply, letting you swap a failing unit without hunting down compatibility specs. Newegg carries it as a straightforward hardware restock option for IT teams maintaining existing Juniper infrastructure. Buy Now at Newegg

Network admins managing Juniper switches that need redundant power will want this as a spare or replacement unit, since matching the exact model keeps airflow direction and wattage consistent across your rack. Newegg carries it for those times you need an OEM part without going through Juniper directly. Buy Now at Newegg

Networking admins running Juniper switches that need a spare or replacement power supply will want to keep one of these on hand, since finding compatible 450W units isn't always straightforward. Newegg carries the JPSU-450W-AC if your gear calls for this exact model. Buy Now at Newegg

Networking admins running Juniper switches that need a spare or replacement power supply will want to keep one of these on hand, since finding compatible 450W units isn't always straightforward. Newegg carries the JPSU-450W-AC if your gear calls for this exact model. Buy Now at Newegg

Worth a look if you're repairing or building a small form factor PC and need a reliable replacement power supply from a known manufacturer, since Delta's electronics components are commonly used in OEM systems. Newegg carries it for those hard-to-find PSU specs that standard retail options don't typically stock. Buy Now at Newegg

Replacing a dead PSU in an older desktop is about the only reason to track this down, and the 400W output covers basic office or media rigs without discrete graphics. Newegg carries it for those who need a straightforward swap rather than an upgrade. Buy Now at Newegg

Anyone building out a budget desktop rig or replacing a failing power supply in a Dell Optiplex 3010/7010/9010 tower will want a direct-fit option like this instead of hunting for a universal unit that may not match the case layout. Buy Now at Newegg

Worth a look if your build pulls modest wattage and you just need a dependable, no-frills power supply without paying for capacity you'll never use. It suits budget builds or basic office PCs where reliability matters more than extra headroom. Buy Now at Newegg

Modular cabling makes this a solid pick if you're tired of wrestling excess wires in a tight case, and the 80 PLUS Gold rating keeps energy waste down during long gaming or work sessions. Newegg's 750W option gives you enough headroom for a mid-to-high-end build without paying for capacity you won't use. Buy Now at Newegg

Worth a look if you're building or repairing a system that specifically calls for a 14-pin connector, since standard ATX supplies won't fit that configuration. Newegg carries this as a direct-fit replacement, which saves you from hunting down a discontinued or proprietary part elsewhere. Buy Now at Newegg

Anyone building or upgrading a PC can rely on a 200W switching supply like this for stable, consistent power without overpaying for wattage you won't use in a smaller or budget-oriented build. Buy Now at Newegg

Worth keeping on hand if you repair or refurbish Dell desktops, since this power supply matches OptiPlex and Precision builds without having to hunt for an exact replacement part number. Newegg carries it for those who'd rather buy a direct-fit unit than gamble on a generic PSU. Buy Now at Newegg

Semi-modular cabling means you only plug in the cords your build actually needs, which cuts down on clutter for mid-tower setups. At 750W with 80+ Bronze certification, it's enough headroom for a mid-range gaming rig without paying for efficiency you won't use. Buy Now at Newegg

Running a server or workstation that needs redundant power, this 750W Platinum unit lets you swap it out while the system stays running, so there's no downtime if one fails. Buy Now at Newegg

Anyone running an older eMachines tower whose power supply has given out will find this replacement useful for getting the exact fit without hunting down a compatible aftermarket unit, since it's built specifically for the T6532, T6534, T6536, T6524, T6528, and T6540 models. Buy Now at Newegg

Worth a look if you're maintaining older Dell PowerEdge R710 or T610 servers and need a reliable replacement power supply without buying a whole new unit. Newegg carries it for those running these models in home labs or small business setups where swapping out a failed PSU keeps the server running without a full upgrade. Buy Now at Newegg

Suits anyone building or repairing a 1U server rack setup where space is tight and you need a reliable, properly-sized replacement power supply rather than a generic substitute. Newegg carries it if you're looking to match OEM specs without hunting down a used pull. Buy Now at Newegg

Anyone building a budget office PC or basic home setup will find this supply covers the basics without paying for wattage you don't need. It suits low-power builds using integrated graphics or entry-level components rather than gaming rigs with dedicated cards. Buy Now at Newegg

This power supply suits anyone managing Aruba switch infrastructure who needs a reliable 2,700W 54VDC replacement or backup unit without hunting down OEM pricing. Newegg has it available for those building redundancy into their network setup or replacing a failed unit on existing Aruba hardware. Buy Now at Newegg

Server admins maintaining or upgrading a PowerEdge R320, R330, R420, or R420XR will want a direct-fit replacement like this on hand, since matching Dell's original power specs keeps the system running within its intended limits. It's a straightforward option if your current unit has failed or you're building redundancy into your setup. Buy Now at Newegg

This 1U form factor power supply is built specifically for NAS enclosures and rackmount setups where space is tight and standard PSU sizes won't fit. Worth a look if you're building or repairing a compact NAS system and need a reliable 200W replacement that matches the original specs. Buy Now at Newegg

Worth keeping on hand if you're running an HP ML310e G8 server and need a direct replacement for a failing or dead power supply, since matching the original spec avoids compatibility headaches. Newegg carries this at a price that beats hunting down used OEM parts elsewhere. Buy Now at Newegg