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

Juniper 850W Redundant Power Supply for $1,299.99

Fri, 07 Aug 2026 23:15:54 -0400

Redundant power supplies are built for servers or network equipment where an unexpected power failure could cause serious downtime, and this 850W unit from Juniper fits that use case for anyone running enterprise-grade networking hardware. Worth picking up if you need a spare or replacement and want to stay within the Juniper ecosystem. Buy Now at Newegg

Features

850W power output
Hot-pluggable design
Redundant power supply
Model: JPSU-850W-AC-AFO

Dell Alienware 460W Power Supply Unit for $238

Fri, 07 Aug 2026 23:10:42 -0400

A straightforward upgrade for Alienware desktop owners whose system is struggling under the load of high-end GPU or CPU additions, since swapping to a higher-wattage PSU from the same manufacturer keeps things compatible without guesswork. Buy Now at Newegg

Features

460W power output
Compatible with Alienware video card docks
Model: HU460AM-00
Official Dell DP/N: C3CMT

2,400W Antminer Power Supply Unit for $190

Fri, 07 Aug 2026 23:05:07 -0400

Designed for running ASIC miners like the Antminer series, this 2,400W PSU gives you the high-wattage output those rigs require without cobbling together a workaround solution. Buy Now at Newegg

Features

2400W power supply capacity
Compatible with multiple miner series
Supports high-performance mining rigs

Power Supply for Epson WF-4740 WF-4730 WF-4270 WF-4838 for $229

Fri, 07 Aug 2026 23:05:03 -0400

Replacement power supplies for Epson WorkForce printers aren't something most retailers stock, so this is a useful find if yours has failed and you'd rather replace the supply than the whole printer. Buy Now at Newegg

Features

Compatible with Epson WF-4740, WF-4730, WF-4270, WF-4838
Functions as replacement printhead
Restores high-quality document printing
Precision engineered for specific Epson models
Easy installation for immediate printer repair

NZXT C1500 Platinum 1500W Modular Power Supply for $330

Fri, 07 Aug 2026 23:04:57 -0400

Aimed at high-end PC builders running dual GPUs, overclocked systems, or future-proofing a workstation build, the C1500 Platinum gives you 1500W of headroom with 80 Plus Platinum efficiency and a fully modular cable setup so you're only running the cables you actually need. Buy Now at Newegg

Features

1500W power with 80 PLUS Platinum efficiency
Fully modular cables for clean PC builds
Zero Fan Mode for silent operation
Dual 12V-2x6 connectors for latest GPUs
Durable 100% Japanese capacitors

Gigabyte UD1000GM PG5 1,000W 80 Plus Gold Modular Power Supply for $144

Fri, 07 Aug 2026 23:04:54 -0400

Modular cabling keeps your build cleaner by letting you run only the cables you actually need, and 1,000W gives you headroom for high-end GPUs and multi-drive setups without worrying about power limits. At $144, that's $16 off the $160 list price for an 80 Plus Gold-rated unit. Buy Now at Newegg

Features

1000W 80 Plus Gold certified power
Fully modular cable design
PCIe 5.0 and ATX 3.0 compatible
120mm hydraulic bearing fan
Model: GP-UD1000GM PG5 Rev2.0

NZXT C850 850W 80 Plus Gold Fully Modular Power Supply for $125

Fri, 07 Aug 2026 23:04:51 -0400

Fully modular wiring means you only connect the cables your build actually needs, which keeps things cleaner and makes assembly easier, and at $125 that's $25 off the $150 list price for an 80 Plus Gold-rated 850W unit. Buy Now at Newegg

Features

850W 80 PLUS Gold efficiency
Fully modular cable management
Quiet 135mm FDB fan cooling
ATX 3.1 and EPS12V standard compatibility
Model: PA-8G2BW-US

HP G9 500W Server Power Supply for $380

Fri, 07 Aug 2026 23:04:50 -0400

A solid option if your server build or workstation requires a high-wattage redundant power supply and you want a unit from a name-brand enterprise line rather than a generic alternative. Buy Now at Newegg

Features

500W power capacity
Model: 723595-101
H-P G9 server compatible
DPS-500AB-13 A architecture
Reliable 720478-B21 power unit

PBA10F-24 10W 24V 0.5A Switching Power Supply for $165

Fri, 07 Aug 2026 23:04:46 -0400

A compact, low-wattage switching power supply that suits hobbyists, engineers, or anyone needing a reliable 24V DC source for small electronics projects or industrial control systems. Buy Now at Newegg

Features

10W power output
100-240V universal input voltage
24V 0.5A DC output
Compact switching power supply design
Model: PBA10F-24

1,280W 1U Redundant Power Supply Unit for $334.70

Fri, 07 Aug 2026 23:04:37 -0400

A redundant PSU swap-in for server builds or workstations where downtime isn't an option, since the dual-supply design keeps the system running if one unit fails. Buy Now at Newegg

Features

1280W power capacity
1U rack-mount form factor
Redundant power supply design
Model: PWS-1K28D-240

IPC Power Supply A5E02083152 for $353

Fri, 07 Aug 2026 23:04:18 -0400

Designed as a replacement power supply for Siemens IPC industrial computers, this is a fairly specific part that's mainly useful if you're maintaining or repairing equipment that calls for this exact component. Buy Now at Newegg

Features

Model: 11-05-500092-1

Lian Li Edge 850W Fully Modular ATX Power Supply for $120

Fri, 07 Aug 2026 23:04:16 -0400

Fully modular means every cable is removable, so you only connect what your build actually needs, which keeps cable management cleaner and less frustrating. A solid pick if you're building or upgrading a mid-to-high-end PC and want a 850W unit with some flexibility in how you route your wiring. Buy Now at Newegg

Features

850W ATX 3.1 and PCIe 5.1 compliant power
Cybenetics Gold certified energy efficiency
12V-2x6 cable for modern GPU connectivity
Space-saving L-shape modular design
Model: EG0850G.W

Switching Mode Power Supply for Hitachi AMS2100 AMS2300 for $198

Fri, 07 Aug 2026 23:04:08 -0400

Newegg has this switching mode power supply listed as a direct replacement for Hitachi AMS2100 and AMS2300 storage arrays, which makes it a narrow but useful find if you're maintaining aging enterprise hardware and need a like-for-like swap rather than sourcing through specialized industrial channels. Buy Now at Newegg

Features

Model: PPD7002-3
Switching mode power supply architecture
Supports 3276080-A system compatibility
High-efficiency power conversion
Industrial-grade reliable power delivery

400W 1U Flex ATX Power Supply for $107

Fri, 07 Aug 2026 23:03:56 -0400

A 1U Flex ATX form factor is specifically designed for slim and compact PC builds where a standard ATX power supply won't physically fit, making this a practical option if you're working with a small form factor case or upgrading a pre-built mini tower. Buy Now at Newegg

Features

400W 1U Flex ATX power output
Active PFC for improved energy efficiency
Compact 1U form factor for server chassis
Compatible with IPC and industrial control systems

24V Power Supply for $143

Fri, 07 Aug 2026 23:02:43 -0400

A 24V power supply is a straightforward utility purchase for anyone running LED strips, industrial sensors, or other DC-powered equipment that needs a dedicated voltage source rather than relying on a device's built-in adapter. Buy Now at Newegg

Features

24V proprietary power supply
1.8ft cable length

HP ProLiant ML310e Gen8 v2 350W Power Supply for $99

Fri, 07 Aug 2026 23:02:40 -0400

A direct replacement for the stock PSU in HP ProLiant ML310e Gen8 v2 servers, so if yours has failed or you need a spare on hand for a production environment, this is the part you're looking for. Buy Now at Newegg

Features

350W total power output
Model: 686761-001
Compatible with ML310e G8 V2
DPS-350AB-20A efficiency rating
Reliable server-grade power delivery

DPS-650RB 650W Server Power Supply for $773

Fri, 07 Aug 2026 23:01:55 -0400

A 650W server power supply like this is mainly useful if you're building or repairing a budget workstation or home server rig and need a reliable unit without paying for a brand-new retail PSU. Buy Now at Newegg

Features

650W power output
80 Plus efficiency certification
Server-grade power reliability
Model: DPS-650RB B 00F

600W Power Supply for S5300 and S5500 V5 Expansion Enclosure for $137

Fri, 07 Aug 2026 23:01:55 -0400

Designed for IT administrators managing Huawei S5300 or S5500 V5 expansion enclosures, this replacement power supply is a straightforward way to swap out a failed or undersized unit without sourcing through specialty channels. Buy Now at Newegg

Features

600W power supply
Model: HSP600-D1205A

Desktop ATX and SFX Micro Computer Power Supply for $56

Fri, 07 Aug 2026 22:44:01 -0400

A desktop power supply is an easy thing to overlook until yours fails, and having a spare on hand is useful if you build or repair PCs regularly. Buy Now at Newegg

Features

20+4 pin ATX desktop compatibility
Supports SFX and Micro ATX cases
Multiple power output options from 200W to 350W
Compact small form factor switching power supply

PowerEdge T430 450W Server Power Supply for $128

Thu, 06 Aug 2026 23:17:21 -0400

A server power supply replacement for the PowerEdge T430, useful if you're running Dell's mid-range tower server and dealing with a failed or insufficient PSU unit. Buy Now at Newegg

Features

450W power output
Compatible with PowerEdge T430 and T330
Reliable cold power supply
Model: 40GDF
Model: H3DKF