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

Juniper JPSU-1100-AC-AFO Power Supply for $350

Wed, 09 Sep 2026 23:24:58 -0400

Networking pros managing rack-mounted Juniper switches will want a reliable spare or replacement on hand, and this AFO (airflow) variant pushes air from front to back, so double-check your rack's cooling direction before you order. Buy Now at Newegg

Features

1100W power supply unit
AC power input
Model: JPSU-1100-AC-AFO

Delta Electronics DPSN-30BP Power Supply for $43

Wed, 09 Sep 2026 23:18:09 -0400

Newegg has the Delta Electronics DPSN-30BP Power Supply for anyone rebuilding or repairing older desktop systems that need a reliable, spec-matched replacement rather than a generic universal unit. Buy Now at Newegg

Features

High-efficiency power conversion for telecom networking
Reliable Delta Electronics power delivery
Compact DPSN-30BP C form factor
Industrial-grade stability for network infrastructure
Model: DPSN-30BP C

Dell T320 350W Power Supply Unit for $619

Wed, 09 Sep 2026 23:13:27 -0400

Server closets and small business setups running the T320 tower will want a reliable replacement PSU on hand before the original one fails and takes the whole system down with it. Newegg has this one at a straightforward price if you need an exact match without guessing on compatibility. Buy Now at Newegg

Features

350W power output
Non-redundant server power supply
Model: DH350E-S0

XW8200 Workstation 600W Power Supply for $162.20

Wed, 09 Sep 2026 23:13:25 -0400

Rebuilding or repairing an older HP XW8200 workstation is the main use case here, since matching the original power specs matters more than finding a generic replacement. Newegg carries it for those who need an exact fit rather than a universal PSU. Buy Now at Newegg

Features

600W power output
Model: DPS-600NB A

AcBel 400W Switching Power Supply for Video Cards for $118

Wed, 09 Sep 2026 23:12:46 -0400

Suits anyone building or upgrading a budget PC with a dedicated graphics card that needs steady, reliable power without overpaying for capacity you won't use. Buy Now at Newegg

Features

400W power output
6-pin and 8-pin video card connectors
Model: PCD023

Dell 825W Switching Power Supply for T5810 T7810 T7910 for $239

Wed, 09 Sep 2026 23:12:36 -0400

Fits Dell T5810, T7810, and T7910 workstation towers, so it's worth grabbing if your original power supply is failing and you need an exact replacement rather than a universal fit. Buy Now at Newegg

Features

825W total power output
Compatible with Dell T5810, T7810, T7910
High-efficiency switching power supply
Model: H825EF-02

Powerup 250W 1U Flex Server Power Supply for $156

Wed, 09 Sep 2026 23:11:59 -0400

Anyone building or repairing a compact server rack setup can slot this in without redesigning the whole chassis, since the 1U flex form factor fits standard server cases. It's a straightforward pick if you need a reliable replacement supply rather than a full system overhaul. Buy Now at Newegg

Features

250W power output
1U Flex form factor
Compatible with ENP-7025B
Model: POWERUP 250W

Topower 500W Mini Redundant Power Supply for $600

Wed, 09 Sep 2026 23:11:30 -0400

Server rack builders running critical systems will appreciate the dual-input redundancy here, since a single PSU failure won't take your equipment offline. Buy Now at Newegg

Features

500W redundant power capacity
100-240V universal input voltage
High reliability over 100,000 hours MTBF
Compact 199 x 150 x 86mm form factor
Model: TOP-500SSR4B

580W Server Power Supply for Dell T410 for $245

Wed, 09 Sep 2026 23:11:10 -0400

Good option for keeping a Dell T410 running if the original power supply fails, since matching OEM specs can be tricky to find elsewhere, and Newegg has this one in stock. Buy Now at Newegg

Features

580W power output
Server-grade power stability
Compatible with Dell PowerEdge T410
High-efficiency redundant power supply
Model: F5XMD

AP-RRU1ATX308S62 300W 1U Redundant Hot-Swap Power Supply for $644

Wed, 09 Sep 2026 23:11:08 -0400

Redundant hot-swap capability means one unit can fail without taking your system offline, which matters if you're running a home lab or small server setup that needs to stay up around the clock. Buy Now at Newegg

Features

300W redundant power supply
Hot-swap power module design
IEC 62368-1 safety compliance certified
High 200,000 hour MTBF rating
Model: AP-RRU1ATX308S62

IBM 45D4182 Power Supply for P6 595 9119-FHA for $241

Wed, 09 Sep 2026 23:11:03 -0400

Data center techs maintaining IBM Power 595 systems will want this on hand as a direct replacement part, since sourcing legacy server components like this one often gets harder as the hardware ages. Newegg carries it if your original supply fails and you need a compatible swap without hunting through surplus listings. Buy Now at Newegg

Features

Model: 45D4182
IBM P6 595 9119-FHA server compatibility
DCA-EPS power supply unit
45D2491 power supply

HP 250W Power Supply Unit for $168

Wed, 09 Sep 2026 23:10:25 -0400

Anyone maintaining or upgrading a compact HP desktop can use this as a direct replacement without hunting down a proprietary part, since off-brand or full-size PSUs often won't fit the slim form factor. Buy Now at Newegg

Features

Model: L08417-004
250W power output
G3 G4 series compatibility
PCH022 power supply unit

Topower 350W Micro ATX12V Power Supply for $60

Wed, 09 Sep 2026 23:10:04 -0400

Newegg has the Topower 350W Micro ATX12V Power Supply for those building or upgrading a compact PC where a full-size power supply won't fit, and 350W is plenty for basic office or media setups without a dedicated graphics card. Buy Now at Newegg

Features

350W Micro PS3 ATX12V power supply
Single +12V rail architecture
Includes 6+2-pin PCI-Express connector
Three SATA power connectors included
Model: TOP-350PS3

PCSA-300P-X2S Industrial Computer Power Supply for $232

Wed, 09 Sep 2026 23:09:56 -0400

Datacenter operators and industrial system builders who need reliable, continuous power for rack-mounted equipment will appreciate the PCSA-300P-X2S's redundant design, which keeps critical systems running even if one power module fails. Buy Now at Newegg

Features

Model: PCSA-300P-X2S

360-Watt Power Supply Unit for Dell Optiplex for $198

Wed, 09 Sep 2026 23:09:51 -0400

Anyone replacing a failed PSU in an OptiPlex tower will appreciate that this matches Dell's original specs, so you avoid compatibility guesswork with a generic power supply. Buy Now at Newegg

Features

360 Watt power capacity
Compatible with OptiPlex and V-series systems
Standard Small Form Factor design
Reliable internal power supply unit
Model: H360EGM-00

Dell 250W Power Supply Unit for $21

Wed, 09 Sep 2026 23:09:40 -0400

Worth grabbing as a replacement or backup for older Dell desktops, especially if your original unit is failing or you're building out a low-power office rig. Newegg's compatibility fit means you won't need to hunt down connector adapters or worry about mismatched form factors. Buy Now at Newegg

Features

250W power supply capacity
Compatible with OptiPlex 390 790 990 DT
Includes H250AD-00 HU250AD-00 L250ED-00 D250AD-00 models
Supports L250NS-00 L250PS-00 F250AD-00 models
Model: H250AD-00

IBM 82562-12 580W Power Supply for $327

Wed, 09 Sep 2026 23:09:22 -0400

Small business owners or IT technicians maintaining older IBM server hardware will want to keep one of these on hand, since finding compatible replacement power supplies for legacy systems gets harder every year. Newegg carries this one for straightforward, drop-in replacement without hunting through surplus listings. Buy Now at Newegg

Features

580W power capacity
Compatible with V7000 expansion enclosure
Model: 82562-12

Lenovo ThinkCentre 280W Power Supply Unit for $58

Wed, 09 Sep 2026 23:09:20 -0400

Newegg has the Lenovo ThinkCentre 280W Power Supply Unit, a solid pick if your ThinkCentre desktop's PSU has died or you need a spare on hand for the exact wattage and connectors your system was built with. Buy Now at Newegg

Features

280W power output
Compatible with ThinkCentre M72 and M73
Model: 54Y8879

220W Power Supply Adapter for $57

Wed, 09 Sep 2026 23:08:54 -0400

Anyone dealing with a burned-out or missing charger for their laptop or workstation can swap this in without hunting down the original manufacturer's part. It's a straightforward fix for equipment that still has plenty of life left but needs the right wattage to run properly. Buy Now at Newegg

Features

220W power supply output
Model: DPS-220UB

Powerup 300W Server Power Supply for $383

Wed, 09 Sep 2026 23:08:49 -0400

Server rooms and home lab setups both need reliable power delivery, and 300W is enough headroom for most single-server builds without paying for capacity you won't use. It's a straightforward pick if you're replacing a failed unit or building out a compact server rig from scratch. Buy Now at Newegg

Features

300W power output
Server-grade power supply architecture
Compatible with DPS-300AB-81 A
Model: POWERUP 300W