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

400W 1U Flex ATX Industrial Power Supply for $107

Thu, 10 Sep 2026 23:26:47 -0400

Suits anyone building a slim rackmount or compact industrial system where space is tight and standard ATX supplies won't fit. The 1U Flex form factor delivers reliable 400W output without eating into your case clearance. Buy Now at Newegg

Features

400W 1U Flex ATX power output
Active PFC for energy efficiency
Industrial-grade server and control compatibility
Compact 1U form factor

Engage Flex Pro 250W Power Supply for $122.70

Thu, 10 Sep 2026 23:26:41 -0400

Newegg has the Engage Flex Pro 250W Power Supply for budget builders who need a reliable, no-frills unit for compact systems or basic office rigs rather than anything power-hungry. Buy Now at Newegg

Features

250W power output
Model: L09898-002

ASRock SL-1000G 1,000W Power Supply for $100

Thu, 10 Sep 2026 23:25:55 -0400

Newegg has the ASRock SL-1000G 1,000W Power Supply for $100, which is $60 off the $160 list price. It's a solid pick for anyone building a higher-wattage PC with a power-hungry GPU, since 1,000W gives you headroom that smaller supplies can't. Buy Now at Newegg

Features

1000W 80 PLUS Gold and Cybenetics Platinum efficiency
ATX3.1 and PCIe5.1 ready with 12V-2x6 cable
Fully modular design for clean cable management
135mm striped axial FDB fan for quiet cooling
Model: SL-1000G

250W PS-7270B ATX Power Supply for $229

Thu, 10 Sep 2026 23:25:13 -0400

Anyone building or repairing a budget desktop needs a reliable power supply that won't be the weak link, and this one covers standard ATX systems without extra frills you don't need. Buy Now at Newegg

Features

250W power supply
Model: PS-7270B/ATX

2,000W ATX Power Supply Unit for $204

Thu, 10 Sep 2026 23:24:56 -0400

Built for high-end rigs running multiple GPUs or heavy overclocking, this PSU gives you the headroom to add components later without needing a whole new power supply. Buy Now at Newegg

Features

2000W high-capacity power output
Supports up to 8 graphics cards
Optimized for cryptocurrency mining rigs
Standard ATX form factor compatibility
Includes EU power cable

Replace Power 420W ATX Power Supply for $80

Thu, 10 Sep 2026 23:24:53 -0400

Handy for older desktop builds or basic upgrades where you just need a reliable, no-frills replacement for a failed ATX power supply without paying for wattage you don't use. Buy Now at Newegg

Features

420W power output
Compatible with HP Compaq series
Reliable ATX form factor
Efficient integrated cooling fan
Model: 5187-1098

1,600W Power Supply for R12-1K6P2A for $101

Thu, 10 Sep 2026 23:24:05 -0400

This one's for anyone running high-demand servers or workstations, where 1,600W of stable power keeps things running without bottlenecking on capacity. It's built specifically for the R12-1K6P2A chassis, so you'll want to confirm compatibility before ordering. Buy Now at Newegg

Features

1600W power capacity
Model: R12-1K6P2A

Dell 550W Switching Power Supply for R320 and R420 for $52.50

Thu, 10 Sep 2026 23:24:05 -0400

Anyone running a Dell R320 or R420 server as a spare or replacement part should have this on hand, since matching the OEM power supply keeps the swap simple and avoids compatibility headaches down the line. Buy Now at Newegg

Features

550W power output
R320 and R420 server compatible
DPS-550MB switching power supply
Model: L550E-S0

1,000W ATX Gold Non-Modular Power Supply for $197

Thu, 10 Sep 2026 23:24:02 -0400

Handles high-end builds with power-hungry GPUs without breaking a sweat, though the non-modular cables mean you'll want a case with room to tuck away what you don't use. Buy Now at Newegg

Features

1000W power output
80 Plus Gold efficiency
Active PFC support
Universal 100-240V input
ATX form factor

HP ML310e G8 V2 350W Power Supply for $99

Thu, 10 Sep 2026 23:23:49 -0400

Server rigs like the HP ML310e G8 V2 are picky about power supplies, so this one's worth grabbing if you need an exact factory-spec replacement instead of gambling on a generic PSU. Buy Now at Newegg

Features

350W total power output
Model: 686761-001
Compatible with ML310e G8 V2
High-efficiency server power supply
Reliable DPS-350AB-20A replacement unit

Asus TUF Gaming 650W 80 Plus Bronze Power Supply for $215

Thu, 10 Sep 2026 23:23:02 -0400

Anyone building a mid-range gaming rig will want reliable power without paying for headroom they don't need, and 650W covers most single-GPU setups comfortably. Newegg has it in stock if you're piecing together a build and don't want to overspend on the PSU. Buy Now at Newegg

Features

650W power output with 80 PLUS Bronze certification
Axial-tech fan design with dual ball bearings
0dB silent operation technology
Comprehensive 6-year manufacturer warranty
Dual 6+2-pin PCI-E connectors for graphics cards

P1S-5180V 180W 1U Small Power Supply for $239

Thu, 10 Sep 2026 23:22:50 -0400

Anyone building a compact server rack or small-form-factor system will appreciate how this 1U supply fits tight spaces without sacrificing reliable output for lighter-load setups. Buy Now at Newegg

Features

180W power supply
Small 1U form factor
Compatible with P1S-5180V

Dell Optiplex 360W Power Supply Replacement for $263

Thu, 10 Sep 2026 23:22:39 -0400

Dell Optiplex desktop owners dealing with a dead or failing power supply can grab this as a direct replacement without hunting for exact specs or wiring compatibility. It's a straightforward fix for a common failure point, sparing you the cost of replacing the whole machine. Buy Now at Newegg

Features

Compatible with Optiplex 7080MT, 7070MT, 7060MT, 3050MT, 3650, 3670
Powers 3671, 5090, 3260, 3681 desktop models
Replaces H360EGM-00 and L360EGM-00 power supply units
Provides reliable 360W power for Dell systems
Model: H360EGM-00

240W SFF Power Supply for Dell Optiplex 3010 7010 9010 790 390 for $91

Thu, 10 Sep 2026 23:22:38 -0400

Anyone running a Dell OptiPlex small form factor desktop that's lost its original power supply will want a direct-fit replacement rather than a universal unit that requires modifying the case, and this one's built specifically for those 3010, 7010, 9010, 790, and 390 models. Buy Now at Newegg

Features

240W power supply output
Compatible with SFF form factor
Model: H240AS-00
Model: AC240AS-00

DPS-800AB-16K 800W Server Power Supply for $90

Thu, 10 Sep 2026 23:22:13 -0400

Anyone building or repairing a server rack will want this on hand, since the DPS-800AB-16K delivers 800W of stable output for demanding multi-drive or multi-GPU setups. Newegg carries it as a straightforward replacement part, which matters if your rig uses this exact model and you need a drop-in swap rather than a compatibility guessing game. Buy Now at Newegg

Features

800W power capacity
Model: DPS-800AB-16K

R1S-1120V 120W Redundant Power Supply Module for $101

Thu, 10 Sep 2026 23:21:50 -0400

Anyone running critical servers or network gear will appreciate this module's failover protection, keeping systems online even if one power supply fails. Buy Now at Newegg

Features

120W redundant power supply module
Model: R1S-1120V

Emacs 460W 2U Power Supply P2G-6460P for $335

Thu, 10 Sep 2026 23:21:28 -0400

Server rack owners troubleshooting or upgrading a 2U setup will want this on hand, since finding a compatible 460W power supply for that specific chassis size isn't always straightforward. Newegg carries the P2G-6460P for those needing a direct replacement without hunting down an OEM part. Buy Now at Newegg

Features

460W power capacity
2U server rack form factor
Model: P2G-6460P

Dell 240W Power Supply for Inspiron 3668 for $126

Thu, 10 Sep 2026 23:20:53 -0400

Anyone who's dealt with a dead prebuilt Dell knows the power supply is often the culprit, and this is the exact replacement spec for the Inspiron 3668, so you can swap it in without hunting down compatible wattage or connector specs. Buy Now at Newegg

Features

240W power capacity
Model: I3668-5113BLK-PUS
Model: I3668-5168BLK-PUS

Supermicro 2U 650W Power Supply for $266

Thu, 10 Sep 2026 23:19:46 -0400

Anyone maintaining or building out a Supermicro server rack will want a reliable spare like this on hand, since matching the exact form factor and wattage keeps replacements from turning into a compatibility headache. Newegg carries this model if you need to source one directly. Buy Now at Newegg

Features

650W total power output
High efficiency power conversion
2U rackmount form factor
ATX12V and EPS12V compatibility
110V to 220V AC input range

400W Switching Power Supply for $259

Thu, 10 Sep 2026 23:19:27 -0400

Anyone building or repairing a PC that needs reliable, consistent power delivery for mid-range components will get solid use out of this, especially if you're working on a budget rig or a secondary machine that doesn't demand a high-wattage unit. Buy Now at Newegg

Features

400W power output
Switching power supply architecture
Model: P2F-5400V