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

FSP 200W Power Supply for B325 B320 B340 B540 520 for $123.70

Sat, 19 Sep 2026 23:11:20 -0400

Anyone repairing or upgrading a compatible B325, B320, B340, B540, or B520 desktop will want a straightforward, matching-spec replacement without hunting down the original manufacturer's part. Buy Now at Newegg

Features

Model: B325
Compatible with B320, B340, B540, 520 series
Reliable 200W power output
Replaces HKF 2002-32, APA006, FSP200-20SI units
Ensures stable desktop power delivery

Dell R320 R420 550W Server Power Supply for $101

Sat, 19 Sep 2026 23:10:52 -0400

Handy for anyone running a Dell PowerEdge R320 or R420 server who needs a reliable replacement or backup power supply without hunting down proprietary parts from Dell directly. Buy Now at Newegg

Features

550W power output
Compatible with R320 and R420 servers
Model: 0RYMG6

FSP 400W Industrial 1U ITX Power Supply for $79

Sat, 19 Sep 2026 23:10:13 -0400

Compact 1U form factors like this one are built for rackmount and slim ITX builds where standard ATX power supplies simply won't fit, so it's worth a look if space inside your case is tight. The 400W output covers modest industrial or embedded setups without the bulk of a typical desktop PSU. Buy Now at Newegg

Features

400W power output
1U ITX form factor
Industrial server grade reliability
Compatible with FSP400-60WS1 FSP300-60WS1
Model: FSP400-60WS1

Dell 240W 8-Pin Power Supply Unit for $87

Sat, 19 Sep 2026 23:09:58 -0400

Handy for anyone rebuilding or upgrading a Dell desktop, since Dell's proprietary connectors often won't match standard aftermarket power supplies. Newegg has it if you need an exact replacement without hunting down a used original. Buy Now at Newegg

Features

240W power capacity
8-pin power connector
Compatible with Dell 3040, 3050, 5040, 7040, 7050
Replaces L240AM-01, B240AM-01, H240AM-03, H240AM-02, H240AS-02, AC240EM-00
Model: L240AM-01

Etasis 530W Disk Array Power Supply for $144

Sat, 19 Sep 2026 23:08:53 -0400

Server rack owners running disk arrays will appreciate the 530W capacity here, since it's built specifically to handle the power demands of multi-drive storage setups rather than general PC use. Buy Now at Newegg

Features

530W power output
Redundant power supply architecture
High-efficiency enterprise performance
Designed for ETASIS disk array compatibility
Model: IFRP-532NF

420W Power Supply Unit for $336

Sat, 19 Sep 2026 23:08:51 -0400

Budget-conscious builders putting together a basic office or media PC will find this enough to run entry-level components without paying for wattage you won't use. Buy Now at Newegg

Features

420W power output
Model: 300-1666-02

Replace Power 420W ATX Power Supply for $80

Sat, 19 Sep 2026 23:08:48 -0400

Worth a look if your desktop's stock power supply is on its way out or you're building a budget rig that doesn't need much more than 420W to run reliably. Buy Now at Newegg

Features

420W ATX power supply output
Compatible with HP Compaq HP-D2537F3R
Compatible with HP Compaq HP-D3057F3R
Includes integrated cooling fan
Model: HP-D2537F3R

IBM X3550 M5 Server Power Supply 700-013700-0200 for $162.20

Sat, 19 Sep 2026 23:08:46 -0400

Data centers and IT shops running IBM X3550 M5 servers will want this as a direct replacement or spare, since matching the exact power supply model keeps you from dealing with compatibility headaches down the line. Buy Now at Newegg

Features

700W server power capacity
Compatible with X3550 M5 servers
Model: 00YJ972
Model: 00YJ982
Model: 700-013700-0200/0000

600W Power Supply for Dell PowerEdge R450 R650 R750 for $234

Sat, 19 Sep 2026 23:08:41 -0400

Anyone maintaining a Dell PowerEdge R450, R650, or R750 server can use this as a direct replacement or backup power supply without hunting down proprietary OEM parts. Buy Now at Newegg

Features

600W power output
Compatible with R450, R650, R750 servers
Model: L600E-S1

Golden Field 800BLE 700W Power Supply for $195

Sat, 19 Sep 2026 23:08:10 -0400

Newegg has the Golden Field 800BLE 700W Power Supply for budget-conscious builders who need reliable wattage for a mid-range gaming rig without paying for high-end features you won't use. Buy Now at Newegg

Features

700W continuous power output
800W peak power capacity
Optimized for RTX 2080 Ti hardware
Quiet operation cooling fan
Model: GF700G

Delta 400W 80-Plus Gold Flex 1U Power Supply for $424.10

Sat, 19 Sep 2026 23:07:54 -0400

Server builders and small-form-factor rigs benefit most here, since the 1U flex form factor squeezes into tight chassis where a standard PSU won't fit, and the 80-Plus Gold rating keeps efficiency high despite the compact size. Buy Now at Newegg

Features

400W power output
80 Plus Gold efficiency
Compact 1U form factor
24Pin, 14Pin, 8Pin connectors
Model: DPS-400AB-12A

Powerup 500W ITX Flex NAS Power Supply for $218

Sat, 19 Sep 2026 23:07:50 -0400

Small-form-factor NAS builds and mini-ITX rigs are exactly what this power supply is built for, so it's worth a look if standard ATX units simply don't fit your case. Newegg carries this one for the tight-space setups where you still need reliable, steady power without cramming in a full-size PSU. Buy Now at Newegg

Features

500W power output
Compact ITX Flex form factor
High-efficiency NAS power delivery
Model: DPS-500AB-2C

1,800W Mining Power Supply Unit for $168

Sat, 19 Sep 2026 23:06:58 -0400

Anyone running multiple GPUs for crypto mining or heavy compute work needs a PSU that can handle sustained high loads without cutting out, and 1,800W gives you the headroom to add rigs down the line instead of maxing out immediately. Buy Now at Newegg

Features

1800W power output
Designed for ASIC and GPU mining
Standard 1U ATX form factor
High-efficiency 12V DC output

FSP Classic 550W Power Supply for $154

Sat, 19 Sep 2026 23:06:44 -0400

Budget-friendly builds without power-hungry graphics cards are where this one fits, since 550W covers most basic desktop setups without paying for capacity you won't use. Buy Now at Newegg

Features

550W power output
Energy-saving design
Silent operation
Model: FSP550-50YLN

ThinkCentre E93z 150W Power Supply for $80

Sat, 19 Sep 2026 23:06:36 -0400

This power supply is a straightforward pick if you've got a Lenovo ThinkCentre E93z all-in-one that's lost its original power brick or needs a replacement, since matching wattage and connector specs matters more than shopping around for generic alternatives. Newegg carries it for those exact compatibility needs without the guesswork of aftermarket universal supplies. Buy Now at Newegg

Features

150W power output
Compatible with ThinkCentre E93z
Model: 54Y8882

800W Server Power Supply for $182.50

Sat, 19 Sep 2026 23:06:15 -0400

Data center and homelab builders running high-draw components will want the extra headroom this offers over standard consumer supplies. Newegg's version fits standard server chassis without needing a proprietary replacement down the line. Buy Now at Newegg

Features

800W power output
Model: 856-851529-002
Server-grade power supply
N8181-122 compatibility
FPS-800 series

PS-2751-7H 750W Server Power Supply for $84

Sat, 19 Sep 2026 23:05:37 -0400

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

Features

750W power output
PS-2751-7H compatible
RH1288 server compatible
RH2288 V2 server compatible
Model: 02131058

Aruba X372 1,600W Power Supply for $2,060.21

Sat, 19 Sep 2026 23:03:29 -0400

Data center admins running Aruba networking gear will want this on hand as a reliable replacement or redundant power supply option, since matching the exact model helps avoid compatibility headaches. Newegg carries it if your local IT supplier comes up short. Buy Now at Newegg

Features

1600W power capacity
54VDC output voltage
110-240VAC universal input voltage
Aruba Networking X372 compatibility
Model: X372

850W RGB ATX Gaming Power Supply for $112

Sat, 19 Sep 2026 22:36:08 -0400

Gamers and PC builders running high-wattage setups with multiple GPUs or overclocked components will appreciate the 850W of stable headroom, and the RGB lighting lets it double as a visual centerpiece in cases with tempered glass panels. Buy Now at Newegg

Features

850W continuous power output
1200W peak power capacity
Bivolt 220V compatibility
ATX form factor for standard PC cases
20/24 pin universal motherboard connector

Ace A140A Power Supply Unit for $157

Fri, 18 Sep 2026 23:23:47 -0400

Newegg has the Ace A140A Power Supply Unit for budget builders who just need reliable, no-frills power for a basic office or entry-level gaming rig without paying for features you won't use. Buy Now at Newegg

Features

Model: ACE-A140A-S-R10