DealNews - Best Case Power Supply Deals & Case Power Supplies for Sale

Corsair RM850e Fully Modular ATX 3.1 PCIe 5.1 Power Supply for $140

Fri, 14 Aug 2026 22:48:34 -0400

Fully modular cabling and native PCIe 5.1 support make this a solid pick if you're building a newer system with a power-hungry GPU and want clean cable management. It's currently priced at Best Buy for $140, matching the list price, so there's no discount to speak of right now. Buy Now at Best Buy

Features

Cybenetics Platinum-rated power efficiency
Includes 12V-2x6 GPU cable
Over Temperature Protection for GPU
Reliable CORSAIR RMe Series performance
Stable power delivery

700W 80 Plus Gold ATX Power Supply for $123

Fri, 14 Aug 2026 22:47:13 -0400

This 80 Plus Gold rating means better energy efficiency and less wasted heat, worth the extra cost if you're building a system that'll run for years rather than opting for a bargain-bin supply. At 700W, it's suited for mid-range gaming rigs with a single graphics card rather than multi-GPU setups. Buy Now at Newegg

Features

700W power capacity
80 Plus Gold certified efficiency
ATX form factor compatibility

600W 80Plus Gold ATX Power Supply for $52.20

Fri, 14 Aug 2026 22:46:02 -0400

Pairs well with a mid-range build where you're not pushing high-end graphics cards, and the 80Plus Gold rating means less wasted energy and heat compared to standard efficiency units. Buy Now at Newegg

Features

600W power output
80Plus Gold efficiency rating
Active PFC for stable power delivery
Silent 120mm cooling fan
Compact design for mini chassis

750W ATX Power Supply for $179

Fri, 14 Aug 2026 22:08:19 -0400

Anyone building or upgrading a mid-to-high-end gaming PC will want the headroom this offers, especially with power-hungry graphics cards that can spike demand during load. Newegg has it at a price point that makes sense if you're already piecing together components and don't want to think twice about wattage. Buy Now at Newegg

Features

750W power output
100-240V full voltage range
Dual 4+4Pin CPU support
Active PFC energy efficiency
120mm cooling fan

500W Power Supply for Lenovo P340 P330 P328 P310 M930T T4900K for $193.20

Thu, 13 Aug 2026 23:49:24 -0400

Designed as a direct replacement for specific Lenovo ThinkStation and ThinkCentre models, this 500W unit saves you the hassle of sourcing a compatible PSU if yours has failed or you're upgrading your system's power capacity. Buy Now at Newegg

Features

500W power capacity
4-pin and 10-pin power connectors
Model: 5P50V03181

IBM P6 520 Power Supply Unit for $162.20

Thu, 13 Aug 2026 23:49:14 -0400

Designed for server maintenance or lab environments where you need a verified replacement power supply for IBM P6 520 systems, this unit covers a fairly specific hardware need that can otherwise be hard to source. Buy Now at Newegg

Features

Model: 74Y6726
Compatible with P6 520 power supply systems

1300W Server Power Supply for $239

Thu, 13 Aug 2026 23:48:58 -0400

A 1300W server power supply is typically overkill for a standard desktop but makes sense if you're running a high-draw workstation, mining rig, or multi-GPU setup where consumer PSUs fall short on wattage or continuous load reliability. Buy Now at Newegg

Features

1300W power capacity
90V-264V active full voltage range
Compatible with servers and desktops
Model: 1300WD 1300EF-01

Delta 300W Power Supply Replacement for $80

Thu, 13 Aug 2026 23:48:58 -0400

A straightforward option for anyone who needs to swap out a failed or underpowered PSU in a desktop build, particularly if your system runs on the lower end of wattage requirements. Delta makes reliable OEM power supplies, so this is a functional replacement rather than an enthusiast upgrade. Buy Now at Newegg

Features

300W power output
Compatible with Delta DPS series
Single integrated cooling fan
Lightweight 0.1kg design
Model: DPS-300AB-24B

HP Pavilion Desktop 510-p007la Power Supply for $80

Thu, 13 Aug 2026 23:48:56 -0400

Newegg has this HP Pavilion Desktop 510-p007la Power Supply listed for those who need a direct replacement for a failing or dead unit in that specific HP model. It's a narrow-fit part, so it's mainly relevant if you own this exact desktop and want to avoid sourcing a generic alternative. Buy Now at Newegg

Features

Replacement power supply for HP Pavilion 510-p007la
180W power output
Includes integrated cooling fan
Compact grey chassis design
Model: 510-p007la

Dell 495W Power Supply for R530 R630 R730 R730XD for $156

Thu, 13 Aug 2026 23:48:52 -0400

A direct replacement for the R530, R630, R730, and R730XD server lines, this 495W unit is worth bookmarking if you're managing aging Dell rack servers and need a spare or failed PSU swap without going through Dell's own parts channel. Buy Now at Newegg

Features

495W power output
Compatible with R530, R630, R730, R730XD servers
Model: D495E-S1

SW-90 36V 12V Power Supply for LED Moving Par Stage Light for $25

Thu, 13 Aug 2026 23:48:34 -0400

Useful if you're running 36V LED stage lighting that needs a 12V power supply, particularly for moving par or similar DMX-controlled fixtures where the voltage requirements don't match your existing setup. Buy Now at Newegg

Features

12V power supply
Model: SW-90-36v

185W Switching Power Supply for HP for $405.90

Thu, 13 Aug 2026 23:48:31 -0400

A straightforward option for replacing a failed or underpowered desktop PSU, particularly if you're running an HP system that needs a compatible 185W unit rather than a generic replacement. Buy Now at Newegg

Features

185W total power output
High-efficiency switching power supply
Compatible with H-P-M1854F3T series
Reliable internal power delivery
Model: 8305 8307 185W

Dell 300W Power Supply for Precision T3630 and T3640 for $82

Thu, 13 Aug 2026 23:48:14 -0400

A straightforward replacement option for anyone running a Dell Precision T3630 or T3640 workstation that needs a power supply swap without hunting down a compatible third-party unit. Buy Now at Newegg

Features

300W power output
ATX form factor
Model: AC300EBM-00
Compatible with T3630 and T3640 systems
Original equipment manufacturer part

650W Power Supply for $157

Thu, 13 Aug 2026 23:48:04 -0400

A solid option for mid-range PC builds or anyone upgrading from a lower-wattage unit, giving you enough headroom for a discrete GPU without overshooting your power budget. Buy Now at Newegg

Features

650W power output
APM12V0101 power supply architecture
Model: R1BA2651B

255W Power Supply for Dell Optiplex 360 760 780 960 for $57

Thu, 13 Aug 2026 23:48:03 -0400

A straightforward replacement option if your Dell Optiplex 360, 760, 780, or 960 desktop has a failing or dead power supply and you want to avoid sourcing a used unit. Buy Now at Newegg

Features

255W power output capacity
Compatible with OptiPlex 360, 760, 780, 960
Replaces H255PD-00 and H255E-00 units
Model: N255PD-00

Dell 240W Power Supply Unit for 390/790/990/3010/7010/9010 for $104

Thu, 13 Aug 2026 23:47:30 -0400

A straightforward replacement option if your Dell OptiPlex 390, 790, 990, 3010, 7010, or 9010 desktop has a failing or dead power supply and you want to avoid the hassle of cross-compatibility guessing with a generic unit. Buy Now at Newegg

Features

240W total power output
Compatible with Dell 390 790 990
Supports 3010 7010 9010 series
Reliable 240W power supply replacement
Model: 3WN11

Almost 130W Power Supply for EOS VLT130-4110S4 for $167

Thu, 13 Aug 2026 23:47:27 -0400

Designed for the EOS VLT130-4110S4 specifically, this is a straightforward replacement unit for anyone whose original power supply has failed and needs a compatible swap without hunting down a generic alternative. Buy Now at Newegg

Features

130W power output
Model: VLT130-4110S4

Hela 1300W Platinum ATX 3.0 PCIe 5.0 Fully Modular Power Supply for $286

Thu, 13 Aug 2026 23:47:15 -0400

A fully modular design means you only connect the cables you actually need, which keeps your build cleaner and airflow less obstructed. The 1300W output and PCIe 5.0 support make this a reasonable fit for high-end GPU builds where power headroom matters. Buy Now at Newegg

Features

1300W power capacity
ATX 3.0 and PCIe 5.0 compatible
Cybenetics Platinum efficiency rating
Fully modular cable design
Model: HELA 1300R

Industrial Power Supply PS-270A for $137

Thu, 13 Aug 2026 23:47:11 -0400

Designed for PC builders and electronics hobbyists who need a reliable bench power supply, the PS-270A delivers adjustable DC output for testing components, powering projects, or diagnosing circuits without relying on a fully assembled system. Buy Now at Newegg

Features

Model: PS-270A

Delta DPS-670DB A Industrial Computer Power Supply for $780

Thu, 13 Aug 2026 23:46:50 -0400

A solid option if you're building or repairing an industrial workstation and need a reliable, high-output PSU from a well-known OEM manufacturer that supplies major system builders. Buy Now at Newegg

Features

Industrial-grade computer tower server power supply
Model: DPS-670DB A