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

YM-11-1825 300W Power Supply Kit for $124

Tue, 15 Sep 2026 23:07:40 -0400

Anyone building or repairing a mid-range desktop can use this as a straightforward, no-frills power source without paying for wattage you don't need. Buy Now at Newegg

Features

300W power supply output
Model: YM-11-1825

FSP 460W Industrial Computer Power Supply for $194

Tue, 15 Sep 2026 23:07:06 -0400

Anyone building or maintaining an industrial PC setup will want the steady, reliable output this power supply is designed to handle, especially in environments where standard consumer-grade units tend to fail. Newegg carries it for those needing a dependable component built specifically for demanding, continuous-use applications. Buy Now at Newegg

Features

460W industrial power capacity
Model: FSP460-701UG

Dell 495W 9338D 80 Plus Platinum Power Supply for $89

Tue, 15 Sep 2026 23:07:05 -0400

Server-grade builds or high-draw workstations benefit most from this one, since the 80 Plus Platinum rating means less wasted heat and power compared to standard supplies. Buy Now at Newegg

Features

495W power output
80 Plus Platinum efficiency
Compatible with PowerEdge R530 R630 R730 R640 R740 R730XD
Model: 9338D
A06-00 part number

Cougar GEX750 750W Power Supply for $207

Tue, 15 Sep 2026 23:06:35 -0400

A solid pick for anyone building a mid-range gaming rig, since 750W gives you enough headroom for a decent CPU and GPU pairing without paying for capacity you won't use. Buy Now at Newegg

Features

750W 80 PLUS GOLD certified power efficiency
Fully modular cable design for clean builds
Quiet 120mm Hydro Dynamic Bearing fan
Single +12V rail for stable power delivery
Model: GEX750

Delta 300W Power Supply Unit for $290

Tue, 15 Sep 2026 23:06:31 -0400

Anyone building a basic office PC or upgrading an older system without power-hungry components can rely on this for stable, no-frills power delivery. It's a straightforward pick if you just need reliable wattage without paying for capacity you won't use. Buy Now at Newegg

Features

300W power supply unit

Sun 2,060W Switching Power Supply 300-2159-06 for $340

Tue, 15 Sep 2026 23:06:29 -0400

Server rack builders and hardware techs replacing a failed unit will want this one, since matching the original wattage and connector layout means no rewiring or compatibility guesswork. Buy Now at Newegg

Features

2060W power output capacity
Compatible with Sun T4-2 T4-4 X4-4 systems
Reliable switching power supply architecture
Original part number 300-2159-06
Model: 300-2159

Oiaglh 150W 1U Switching Power Supply for $161

Tue, 15 Sep 2026 23:06:03 -0400

Anyone building out a server rack or running high-power electronics benefits from having a reliable 1U form factor supply that fits standard rack setups without eating extra space, and 150W covers most small-to-mid equipment needs. Buy Now at Newegg

Features

150W output capacity
1U form factor
Model: DPS-150AB-8 A

240W D10-240P1A Power Supply for Compaq SFF Desktop for $92

Tue, 15 Sep 2026 23:05:57 -0400

This power supply is a direct replacement for Compaq small form factor desktops, so it's worth grabbing if your original unit died and you want a matching fit without modifying the case. Buy Now at Newegg

Features

240W power capacity
Compatible with Compaq Z200 4000 6000 6005 6200 8000 8100 8200
Small Form Factor SFF design
Model: D10-240P1A

Lenovo V440 680W Power Supply Unit for $399

Tue, 15 Sep 2026 23:05:46 -0400

Anyone rebuilding or repairing a Lenovo V440 desktop will want a PSU that matches the original specs exactly, and this 680W unit is built to slot in without the guesswork of a generic replacement. Buy Now at Newegg

Features

680W total power capacity
Compatible with V440 300-1501 1851 systems
Model: DPS-680CB A

Athena Power Apollo AP-MP4ATX80FEP8 800W Power Supply for $216

Tue, 15 Sep 2026 23:05:30 -0400

Anyone building or upgrading a mid-tower system will appreciate the 80 PLUS efficiency rating here, since it means less wasted power and heat compared to a standard supply, and 800W gives you decent headroom for a mid-range GPU setup. Buy Now at Newegg

Features

800W power capacity
Micro SFX form factor
Dual 12V rails for stable power
Four PCI-Express connectors for multi-GPU support
Model: AP-MP4ATX80FEP8

HP Proliant ML310e G8 V2 350W Power Supply for $368

Tue, 15 Sep 2026 23:05:25 -0400

Anyone maintaining an older ML310e G8 V2 server will want a direct replacement on hand, since a failed power supply can take the whole machine down until it's swapped. Buy Now at Newegg

Features

350W power output capacity
Designed for HP Proliant ML310e G8 V2
Model: 671310-001
Reliable switching power supply architecture

400W Power Supply Unit for Dell Optiplex for $176

Tue, 15 Sep 2026 23:04:43 -0400

Good pick if you're replacing a failed stock PSU in an older Dell Optiplex tower and need something built to the exact form factor rather than a universal unit that may not fit. Buy Now at Newegg

Features

400W power capacity
Compatible with multiple Optiplex models
6-pin proprietary power connector
Reliable replacement for L240ES-00 and L240AM-02
Model: DPS-400EM-00

600W Flex 1U Computer Power Supply for $102

Tue, 15 Sep 2026 22:40:44 -0400

Anyone building a compact 1U server setup needs a power supply that fits the tight form factor without sacrificing wattage, and this one delivers 600W in that slim flex profile Newegg carries. Buy Now at Newegg

Features

600W power output
Flex ATX form factor
Optimized for server and workstation use
Supports high-performance NAS configurations
Model: 600W Flex PSU

1,000W ATX Gaming Power Supply for $189

Tue, 15 Sep 2026 22:03:31 -0400

Anyone running a power-hungry GPU and multiple drives will want the headroom this supply provides, since 1,000W keeps high-end builds stable without maxing out the unit's capacity. Buy Now at Newegg

Features

1000W power capacity
Dual 4+4Pin CPU support
Active PFC energy efficiency
12CM cooling fan
Model: ATX-1000W

Dell Alienware 460W Video Card Dock Power Supply Unit for $225

Mon, 14 Sep 2026 23:32:06 -0400

Gamers upgrading to a power-hungry GPU without replacing their entire Alienware system will want this, since it's built specifically to handle the extra load those video card docks require. Buy Now at Newegg

Features

460W power output
Compatible with Alienware docks
Genuine Dell power supply component
Model: HU460AM-00

HP Workstation Z4 G4 750W Power Supply for $298

Mon, 14 Sep 2026 23:28:42 -0400

Anyone running a power-hungry workstation setup or building out a Z4 G4 will want a PSU that matches the original specs exactly, and this one covers that without hunting down a discontinued part. Buy Now at Newegg

Features

750W power output
HP Z4 G4 workstation compatibility
Model: 851382-001

2,000W Mining PC Power Supply for $187

Mon, 14 Sep 2026 23:27:21 -0400

Cryptocurrency miners and anyone running multiple high-draw GPUs need this kind of headroom, since standard consumer power supplies can't reliably handle that continuous load. Buy Now at Newegg

Features

2000W power capacity
Designed for 8 video cards
Optimized for mining operations
Switching power supply architecture

FSP 250W Switching Power Supply for $311

Mon, 14 Sep 2026 23:23:11 -0400

Anyone building a compact or budget PC that doesn't need much power draw will get solid, reliable performance out of this without paying for extra wattage you won't use. Buy Now at Newegg

Features

250W power output
Industrial grade reliability
Switching power supply technology
Model: FSP250-20FGGBC

Emerson 460W Switching Power Supply DS460S-3-003 for $310

Mon, 14 Sep 2026 23:23:10 -0400

Anyone building or repairing server hardware needing a dependable replacement power supply will want this, since it's a straightforward swap for equipment specifying the Emerson DS460S-3-003 spec. Buy Now at Newegg

Features

460W power output capacity
High-efficiency switching power technology
Model: DS460S-3-003

HP G9 750W Power Supply for $182.50

Mon, 14 Sep 2026 23:22:30 -0400

Handy for anyone building or repairing a workstation-grade PC that needs a reliable, high-wattage supply without paying for a full retail power supply kit; check your case and connector compatibility before buying, since this is a server/OEM-style unit. Newegg carries it if you need a straightforward replacement part rather than a boxed retail option. Buy Now at Newegg

Features

750W power output
Model: DPS-750AB-31
Model: 736614-101
Model: 738024-B21