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

Acbel 650W Switching Power Supply for $559

Mon, 14 Sep 2026 23:22:25 -0400

Refurbishing an older desktop or building a budget rig, this covers standard ATX power needs without paying for wattage you won't use. Newegg's price makes it a reasonable pick if your build stays under 650W. Buy Now at Newegg

Features

650W power output
Switching power supply architecture
Model: R1BA2651B

OIAGLH 300W Power Supply for IBM System x3250 M3 M4 M5 for $156

Mon, 14 Sep 2026 23:22:24 -0400

Anyone maintaining an older IBM System x3250 M3, M4, or M5 server will want this on hand since these specific power supplies get harder to find as the systems age, and Newegg carries it for straightforward replacement without hunting through refurbished server parts listings. Buy Now at Newegg

Features

300W power capacity
1U rack-mount form factor
Compatible with X3250 M3, M4, M5
Model: 69Y5537

Fujitsu Siemens X100 S3 250W Power Supply Unit for $157

Mon, 14 Sep 2026 23:21:59 -0400

Suits anyone with an aging Fujitsu Siemens X100 S3 desktop who just needs a direct replacement power supply rather than a full system upgrade, and Newegg has it in stock for when the original unit finally gives out. Buy Now at Newegg

Features

250W power output
Model: S26113-E563-V50-01
Compatible with DPS-250AB-62 A
Standard power supply kit

ASRock CL-750B 750W Bronze Power Supply for $50

Mon, 14 Sep 2026 23:21:54 -0400

Newegg has the ASRock CL-750B 750W Bronze Power Supply for $50, a $35 (41%) drop from its $85 list price, a solid pick if you're building or upgrading a mid-range desktop that doesn't need a high-end platinum or gold-rated unit. Buy Now at Newegg

Features

750W 80 PLUS Bronze efficiency
PCIe 5.1 ready with 12V-2x6 cable
5-year manufacturer warranty
Silent 120mm cooling fan
Model: CL-750B

W0PSA5000 500W Switch Power Supply Kit for $124

Mon, 14 Sep 2026 23:21:39 -0400

Anyone building or repairing a PC on a budget will appreciate this power supply kit, since it delivers a stable 500W output without the premium price tag of higher-end units. Buy Now at Newegg

Features

500W power output capacity
High-efficiency switch power supply architecture
Compatible with W0PSA5000 and PSC500-A systems
Reliable professional-grade power conversion
Model: W0PSA5000

Server Power Supply for P720 P740 P770 for $117

Mon, 14 Sep 2026 23:21:09 -0400

Anyone maintaining or upgrading a P720, P740, or P770 workstation will want a direct replacement on hand, since sourcing the correct power supply for these specific models can otherwise be a hassle. Newegg carries this compatible unit if your original fails or you're building out a spare parts inventory. Buy Now at Newegg

Features

Model: 7001490-J000
High-capacity server power supply unit
Compatible with P720, P740, P770 systems
Reliable redundant power delivery
Certified OEM replacement part

P1S-2400V-R 400W Server Module Power Supply for $225.50

Mon, 14 Sep 2026 23:21:08 -0400

Data center and home lab builders needing reliable redundant power will want this module, since it's built to swap into compatible server chassis without downtime if one unit fails. Buy Now at Newegg

Features

400W power output
Server module form factor
Model: P1S-2400V-R

BCE 2,320W Switching Power Supply for $112

Mon, 14 Sep 2026 23:20:47 -0400

Anyone running high-draw components or multiple peripherals off one rig will appreciate the extra headroom this 2,320W supply gives you, especially if you're building or upgrading a system that pulls more power than typical units can handle. Buy Now at Newegg

Features

Model: DPS-2500BB A
2500W power capacity
Switching power supply architecture
Compatible with IBM System x servers
High-performance server-grade reliability

Delta 670W Switching Power Supply for $478

Mon, 14 Sep 2026 23:20:14 -0400

Server and workstation builders needing a reliable replacement or backup switching power supply will find this Delta 670W unit does the job without extra frills. Buy Now at Newegg

Features

670W power output
Model: DPS-670DB A

HP 180W Server Power Supply PA-1181-6HY for $79

Mon, 14 Sep 2026 23:20:14 -0400

Anyone maintaining or rebuilding older HP servers will want a reliable OEM-spec replacement on hand, since power supply failures tend to happen without warning and matching the original spec avoids compatibility headaches. Newegg carries this one if you need a drop-in replacement rather than a generic substitute. Buy Now at Newegg

Features

180W power output
SFF form factor compatibility
Model: 901771-003
Model: PA-1181-6HY
Model: D16-180P1B

Enhance 250W 80 Plus Bronze Flex 1U Power Supply ENP-7025B for $424.10

Mon, 14 Sep 2026 23:19:59 -0400

Small-form-factor builds and 1U server chassis call for a compact flex power supply like this one, and the 80 Plus Bronze certification means you're getting reasonable efficiency without paying for higher tiers you likely don't need at this wattage. Buy Now at Newegg

Features

80 Plus Bronze efficiency certification
Compact Flex 1U form factor
250W power output
Reliable 24Pin and 12Pin connector support
Model: ENP-7025B

2,500W Power Supply for $157

Mon, 14 Sep 2026 23:19:22 -0400

Anyone building a high-end rig with multiple GPUs or overclocked components will want the extra headroom this 2,500W supply provides, since it keeps everything running stable under heavy load instead of maxing out your system's capacity. Buy Now at Newegg

Features

2500W power supply output
Model: 7001581-J000

HP Z200 Workstation Power Supply for $174

Mon, 14 Sep 2026 23:19:11 -0400

This power supply suits anyone repairing or upgrading an older HP Z200 workstation rather than replacing the whole machine, since sourcing an exact-fit replacement gets harder as these systems age. Newegg carries it as a straightforward compatible part, saving you the hunt through surplus listings elsewhere. Buy Now at Newegg

Features

320W power output
HP Z200 workstation compatibility
Model: DPS-320KB-1 A

HP DL 380G4 575W Power Supply for $134

Mon, 14 Sep 2026 23:19:08 -0400

This power supply suits anyone maintaining an older HP DL380 G4 server who needs a direct replacement rather than a compatible workaround, particularly for IT teams keeping legacy hardware running past its typical support window. Buy Now at Newegg

Features

575w power output
Model: 406393-001
Model: 321632-501
Model: DPS-600PB

P1S-2300V-R 300W Server Power Supply for $145

Mon, 14 Sep 2026 23:18:53 -0400

Anyone building or repairing a server rack will want a reliable power source like this on hand, since the 300W output covers most standard server configurations without overloading your system. Buy Now at Newegg

Features

300W server power supply
Model: P1S-2300V-R

Dell OptiPlex 3010 7010 9010 MT 275W Power Supply for $87.60

Mon, 14 Sep 2026 23:18:40 -0400

Handy if your Dell OptiPlex 3010, 7010, or 9010 tower is on the way out from a dying power supply, since Dell's mid-tower units use a proprietary form factor that a standard PSU won't fit. Buy Now at Newegg

Features

275W power capacity
Compatible with OptiPlex 3010, 7010, 9010MT
Model: 0R8JX0

Dell 255W Power Supply Unit for $55

Mon, 14 Sep 2026 23:18:09 -0400

Newegg's Dell 255W Power Supply Unit suits anyone whose Dell desktop's original PSU has failed, since matching the OEM specs helps avoid compatibility headaches that come with third-party replacements. Buy Now at Newegg

Features

255 Watt power output
Genuine Dell Optiplex OEM component
Compatible with Optiplex 580, 760, 780, 960, 980
Standard 24-Pin and SATA connections
Model: L255P-01

Dell R510/T710 750W Power Supply for $148

Mon, 14 Sep 2026 23:18:08 -0400

Anyone maintaining older Dell PowerEdge R510 or T710 servers will want this on hand, since a matching replacement power supply keeps aging hardware running without forcing a full system upgrade. Buy Now at Newegg

Features

750W maximum power output capacity
Compatible with Dell R510, 910, T710 series
Reliable redundant power supply unit
Consistent 750W energy delivery
Model: 7001531-J000

Dell 2,900W Power Supply for C9000 and C9010 Networking for $346

Mon, 14 Sep 2026 23:17:47 -0400

Anyone maintaining a C9000 or C9010 network setup will want a reliable replacement power supply on hand, and this Dell unit is built specifically to match those systems' power demands. Buy Now at Newegg

Features

2900W power supply output
Compatible with C9000 and C9010 networking
D3000E-S0 hardware series
DPS-3000FB architecture
Model: 5PDWG

FSP 400W Power Supply for $89

Mon, 14 Sep 2026 23:17:32 -0400

Budget builders replacing an aging PSU or finishing up a basic office rig will find this covers the essentials without paying for wattage you don't need. Buy Now at Newegg

Features

400W power capacity
FSP400-40AGPAA, PCE026, HK350-12PP compatibility
High-performance power supply unit
Reliable system power delivery
Model: FSP400-40AGPAA