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

Sun 490W Power Supply for $503

Mon, 31 Aug 2026 23:50:17 -0400

Server admins running Sun/Oracle hardware will want this on hand since finding a compatible replacement power supply for older workstations and servers isn't always straightforward. Buy Now at Newegg

Features

490W power output capacity
Reliable AC power supply
Compatible with SUN 314-3357 systems
Model: 314335703

2,000W ATX Bitcoin Miner Power Supply for $190

Mon, 31 Aug 2026 23:50:09 -0400

A solid option for anyone running mining rigs or high-draw custom PCs, since 2,000W gives you enough overhead to power multiple GPUs without tripping into overload territory. Newegg carries this at a spec level most standard consumer PSUs simply don't reach. Buy Now at Newegg

Features

2000W high power output
Designed for ETH ATX ASIC Bitcoin mining
Compatible with RX 470, 480, 570 GPUs
Standard ATX form factor
High-capacity power supply

750W Power Supply L750E-S0 for $112

Mon, 31 Aug 2026 23:49:47 -0400

Anyone building a mid-to-high-end gaming rig or workstation with a power-hungry GPU will want the headroom this 750W supply provides, keeping your system stable without overspending on wattage you won't use. Buy Now at Newegg

Features

750W power output
Model: L750E-S0

Advantech ATX-600PNR-1 600W Industrial Power Supply for $103

Mon, 31 Aug 2026 23:49:33 -0400

This industrial-grade power supply suits builds where reliability under continuous load matters more than price, like servers, machine controllers, or other equipment that runs around the clock. Advantech designs these for demanding environments, so it's a solid pick if your setup needs steadier performance than a standard consumer PSU offers. Buy Now at Newegg

Features

600W maximum power output
500W rated continuous power
Standard ATX form factor
Industrial-grade power reliability
Model: ATX-600PNR-1

Power P740 1,725W Power Supply for $200

Mon, 31 Aug 2026 23:49:17 -0400

Gamers and PC builders running high-end multi-GPU setups will want this one, since 1,725W gives you enough headroom to handle power spikes without worrying about overloading your system. Buy Now at Newegg

Features

1725W power output capacity
Compatible with Power P740 systems
Model: 00E7187

D10-320P2A Power Supply Unit for $88.50

Mon, 31 Aug 2026 23:49:06 -0400

Suits budget PC builds or older office desktops where you just need reliable, no-frills power delivery without paying for wattage you won't use. Buy Now at Newegg

Features

Universal power supply compatibility
Model: D10-320P2A

Sun 760W Switching Power Supply for T5220 T5440 X4170 for $290

Mon, 31 Aug 2026 23:48:38 -0400

Anyone maintaining older Sun T5220, T5440, or X4170 servers will want a reliable replacement on hand, since sourcing OEM power supplies for these systems gets harder every year. Newegg carries this 760W unit if your existing supply is failing or you're building in redundancy for a production setup. Buy Now at Newegg

Features

760W power output
Compatible with Sun T5220, T5440, X4170 servers
Reliable switching power supply architecture
Model: 300-2299-01

RH5885H V3 Power Supply EPW2000-12A for $182.50

Mon, 31 Aug 2026 23:47:56 -0400

Handy for anyone running or maintaining an RH5885H V3 server, since matching the original EPW2000-12A spec keeps your redundant power setup consistent instead of mixing in an incompatible replacement. Buy Now at Newegg

Features

Model: RH5885H V3
Power supply: EPW2000-12A

180W TFX 10-Pin Server Power Supply for $45

Mon, 31 Aug 2026 23:47:48 -0400

Anyone building or repairing a compact server rig will want this on hand, since the 10-pin TFX connector and 180W output are built specifically to match small-form-factor server boards rather than standard desktop configurations. Buy Now at Newegg

Features

180W power output
TFX form factor
10-pin server connector
Model: HK280/HK310-72PP

Oiaglh 2,700W M1000E Blade Server Power Supply Module for $178

Mon, 31 Aug 2026 23:47:40 -0400

Anyone running M1000e blade server chassis will want a reliable power module on hand, and this 2,700W unit gives you the headroom to keep fully loaded configurations running without strain. Buy Now at Newegg

Features

2700W high-capacity power output
Designed for M1000E blade server architecture
Redundant power module configuration
Model: G803N

Flex 300W 1U ATX Power Supply for $69

Mon, 31 Aug 2026 23:27:32 -0400

Space-constrained builds like small form factor PCs or NAS setups are where this one earns its keep, fitting where a standard ATX power supply simply won't. Buy Now at Newegg

Features

300W total power output
Compact 1U Flex ATX form factor
Active PFC for improved energy efficiency
Dedicated 12V rail for ITX systems
Designed for small form factor cases

400W Flex ATX Power Supply for $61

Mon, 31 Aug 2026 23:19:01 -0400

Small-footprint builds like HTPCs or compact NAS setups often need a lower-wattage PSU that still fits a tight case, and this Flex ATX unit covers that without forcing you into a full-size form factor. Buy Now at Newegg

Features

400W Flex ATX power output
Active PFC for efficiency
Small form factor for compact PC cases
Dual voltage 115-230V compatibility

Juniper Power Supply for $437

Sun, 30 Aug 2026 23:42:17 -0400

Data center techs and network admins upgrading server rooms will appreciate the consistent, reliable output this power supply delivers for Juniper equipment. It's a straightforward swap for anyone replacing an aging or failed unit without wanting to rethink the whole setup. Buy Now at Newegg

Features

Juniper proprietary power supply

Seventeam 450W 80 Plus Bronze Power Supply for $334

Sun, 30 Aug 2026 23:23:29 -0400

Budget PC builders who need reliable, no-frills power delivery will find this fits the bill, especially for basic desktops that don't demand high wattage or modular cabling. Buy Now at Newegg

Features

450W power output
80Plus Bronze efficiency
Model: ST-450PWL

250W Power Supply D16-250P2A for $157

Sun, 30 Aug 2026 23:22:44 -0400

Bare-bones and budget-friendly, this power supply suits small builds or basic desktop upgrades where you don't need extra wattage headroom for high-end components. Buy Now at Newegg

Features

Model: 901761-002
250W power supply capacity

Silverstone 400W 1U Bronze Redundant Power Supply for $600

Sun, 30 Aug 2026 23:22:35 -0400

Server builders running critical systems will appreciate the redundant design here, since a second unit keeps things running if one power supply fails, and the compact 1U form factor fits tight rack setups without wasted space. Buy Now at Newegg

Features

400W power output
1U rackmount form factor
Cybenetics Bronze efficiency rating
Redundant power supply design
Model: GM400

Dell 495W Power Supply for R620 and R720 for $50

Sun, 30 Aug 2026 23:22:19 -0400

Anyone maintaining or upgrading a Dell PowerEdge R620 or R720 server will want a properly rated replacement power supply on hand, since these systems require the exact wattage and connector fit to run reliably. Buy Now at Newegg

Features

495W power supply for R620 and R720 servers
Model: N24MJ

FSP 300W Industrial Power Supply for $78

Sun, 30 Aug 2026 23:22:04 -0400

Anyone building or repairing industrial equipment on a budget will appreciate this power supply's straightforward, no-frills reliability without the premium price tag of specialty brands. Buy Now at Newegg

Features

300W power output
Industrial grade reliability
Active PFC support
Model: FSP300-60GLC

HP ML30 Gen9 350W Power Supply for $414

Sun, 30 Aug 2026 23:21:50 -0400

Anyone running an HP ML30 Gen9 server and dealing with a failed or underpowered supply will want this as a direct replacement to get the system back to full capacity. Buy Now at Newegg

Features

350W power output
Compatible with HP ML30 Gen9
Model: 816337-001

Sama GT650WH 650W 80 Plus Gold Fully Modular ATX Power Supply for $63

Sun, 30 Aug 2026 23:21:47 -0400

Builders who want clean cable routing will appreciate the fully modular design, and the 80 Plus Gold rating means solid efficiency for a mid-range build; Newegg has it for $62.99, about $13 off the $75.57 list price. Buy Now at Newegg

Features

650W 80 PLUS Gold efficiency
ATX 3.1 and PCIe 5.1 compliant
Fully modular cable design
Reliable Japanese capacitors
Model: GT650-Black