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

HP MSA2000 DC Power Supply for $178

Fri, 11 Sep 2026 23:19:55 -0400

A solid pick for anyone maintaining or expanding an HP MSA2000 storage array, since matching the original manufacturer's power supply keeps compatibility and reliability intact. Newegg carries it as a straightforward replacement part if your existing unit fails or you're adding redundancy to your setup. Buy Now at Newegg

Features

DC power supply unit
Model: 545764-001
Model: 545831-001
Compatible with HP MSA2000i
Compatible with HP MSA2000G2

SPI 300W AT Power Supply for $101

Fri, 11 Sep 2026 23:19:05 -0400

This basic AT power supply suits older or retro PC builds where you need a reliable, no-frills replacement rather than modern ATX features. It's a straightforward pick for hobbyists restoring vintage systems that require the original AT form factor and connectors. Buy Now at Newegg

Features

Compatible with SPI-300G, SPI-250G, PS7271/AT, LP2-4250F, ZKS-250A
Model: SPI-300G

2,600W ATX Mining Power Supply for $210

Fri, 11 Sep 2026 23:18:37 -0400

Anyone running a multi-GPU mining rig or power-hungry build needs headroom like this, and 2,600W gives you enough overhead to add cards later without upgrading your PSU again. Buy Now at Newegg

Features

2600W power output
High efficiency mining performance
Supports 8 video cards
ATX standard form factor
Optimized for Bitcoin mining

MRT-6300P-R 300W Power Supply Module for $151

Fri, 11 Sep 2026 23:18:35 -0400

This power supply module is a solid pick if your rack setup needs reliable, redundant power without overhauling the whole system, since it slots in as a backup source that kicks in automatically if the primary fails. Newegg's listing makes it easy to source a compatible replacement or add-on unit without hunting down the manufacturer directly. Buy Now at Newegg

Features

300W power output capacity
High-efficiency power supply module
Model: B010460010

Antec HCP-1300P 1,300W Platinum Full-Modular Power Supply for $158

Fri, 11 Sep 2026 23:17:41 -0400

Anyone building or upgrading a high-end gaming or workstation rig with multiple GPUs will appreciate the 1,300W capacity here, and the full-modular cabling means you only plug in what you actually need. Platinum efficiency also keeps waste heat and power costs down compared to lower-rated supplies at this wattage. Buy Now at Newegg

Features

1300W high power output
80 Plus Platinum efficiency
Fully modular cable design
PCIe 5.0 support
Model: HCP-1300P

HP Z230 CMT 400W Desktop Power Supply for $64

Fri, 11 Sep 2026 23:16:42 -0400

For anyone repairing or upgrading an HP Z230 workstation, this 400W power supply is a direct replacement that gets your machine back up and running without hunting down a generic substitute. Newegg carries it as a straightforward parts option for those who already know exactly what their tower needs. Buy Now at Newegg

Features

400W power output capacity
Compatible with HP Z230 CMT workstations
Standardized replacement for 704427-001 and 705045-001 units
Efficient DPS-400AB-19 power architecture
Model: 704427-001

Dell Vostro 270S 220W Power Supply Unit for $89

Fri, 11 Sep 2026 23:16:22 -0400

Anyone still running an older Vostro 270S desktop will want this on hand, since finding an exact-spec replacement PSU for a discontinued model isn't always straightforward once the original one fails. Buy Now at Newegg

Features

220W power output
Small form factor desktop compatibility
Model: L220AS-00

550W Platinum AC Power Supply for $55

Fri, 11 Sep 2026 23:16:17 -0400

Small form factor builds and quiet home theater PCs are where this one earns its keep, since a Platinum rating means less wasted heat and lower fan noise under load than you'd get from a standard bronze or gold unit. Buy Now at Newegg

Features

550W power output
High-efficiency Platinum rating
Model: 94Y8064

HP Z6 G4 1,000W Workstation Power Supply for $184

Fri, 11 Sep 2026 23:16:07 -0400

Suits anyone building or repairing an HP Z6 G4 workstation, since this power supply is matched to the system's specific power and connector requirements rather than a generic PC replacement. It's worth having on hand for heavier workloads that push the workstation's GPU and CPU closer to full draw. Buy Now at Newegg

Features

1000W power capacity
Designed for Z6 G4 Workstation
Model: 851383-001

FSP 800W Switching Power Supply for $901.20

Fri, 11 Sep 2026 23:15:26 -0400

Anyone building or upgrading a mid-to-high-end desktop will want stable, sufficient wattage without overpaying, and this 800W unit from FSP covers that ground for most gaming or workstation builds. Buy Now at Newegg

Features

800W power capacity
FSP800-20ERM power supply unit
Model: FSP800-20ERM

240W PC8019 PC8027 HP-D2402E0 Power Supply Unit for $43

Fri, 11 Sep 2026 23:15:26 -0400

This power supply is a direct replacement for systems originally built around the PC8019, PC8027, or HP-D2402E0 units, so it suits anyone repairing or upgrading a prebuilt desktop rather than piecing together a custom rig. Matching the exact model number matters here, since PSU form factors and connectors vary between OEM builds. Buy Now at Newegg

Features

240W power output
Compaq SFF server compatibility
Model: PC8019

Dell T3610 685W Power Supply for $479

Fri, 11 Sep 2026 23:14:56 -0400

Handy for anyone running a Dell T3610 workstation whose power supply has failed or is on its way out, since sourcing an exact-fit replacement for these specific tower models can otherwise be a hassle. Buy Now at Newegg

Features

685W power output
Compatible with Dell T3610 Workstations
Model: D685EF-00

200W Desktop Power Supply for Dell OptiPlex 780 790 990 7010 9010 for $225

Fri, 11 Sep 2026 23:14:38 -0400

Small form factor Dell desktop owners dealing with a dead or failing PSU will want this, since it's built to the exact specs of the OptiPlex 780, 790, 990, 7010, and 9010 rather than a generic universal fit. Buy Now at Newegg

Features

200W power output
Compatible with 780 790 990 7010 9010
Model: L200EU-00
Model: F200EU-00

Super Flower Combat DB 850W ATX 3.1 80+ Bronze Power Supply for $55

Fri, 11 Sep 2026 23:13:40 -0400

Suits builders who need a reliable 850W supply without paying for higher-tier certification, and Newegg has it at $55, a 45% cut from the $100 list price. Buy Now at Newegg

Features

850W power output
ATX 3.1 compatibility
80+ Bronze efficiency
Flexible flat cables for easy management
Model: SF-850C12DB

Delta 550W Switching Power Supply for $276

Fri, 11 Sep 2026 23:13:15 -0400

Server builders and PC hobbyists swapping out a failing power supply will want to check the specs match, since this Delta 550W unit is designed as a direct replacement rather than a general upgrade pick. Buy Now at Newegg

Features

550W power output
Delta DPS-550AB-11 switching power supply
Model: DPS-550AB-11

500W 1U Flex Power Supply for $114

Fri, 11 Sep 2026 23:12:50 -0400

Anyone building a compact server or rackmount setup will want this for its space-saving 1U flex form factor that still delivers reliable 500W output without hogging room in the chassis. Buy Now at Newegg

Features

500W power output
Full modular cable design
Compact 1U form factor
80 Plus Gold efficiency
Model: 7025B

Power Supply for M10-1 DPS-770CB for $365.20

Fri, 11 Sep 2026 23:12:40 -0400

Anyone maintaining or repairing an M10-1 server will want a compatible replacement on hand, since sourcing the correct DPS-770CB model matters for proper fit and power delivery. Buy Now at Newegg

Features

Model: 7060781
Model: 7082782
Model: 7343528
Model: 7088116
Model: DPS-770CB F

Poweredge R710 T610 Server Power Supply 570W for $134

Fri, 11 Sep 2026 23:12:36 -0400

Anyone running an older PowerEdge R710 or T610 server needs a compatible replacement to keep things running when the original power supply fails, and this 570W unit fills that role without requiring a full server upgrade. Buy Now at Newegg

Features

570W to 870W power output range
Compatible with PowerEdge R710 and T610 servers
Redundant power supply unit
Model: C570A-S0

Juniper Networks 150W AC Power Supply for $440

Fri, 11 Sep 2026 23:06:03 -0400

Anyone running or expanding a Juniper switch chassis will want this as a reliable spare or replacement, since power supply failures shouldn't take down your entire network setup. Buy Now at Newegg

Features

150W power output
Juniper proprietary compatibility
Model: JPSU-150-AC-AFI

HPE X372 1,050W 54VDC Power Supply for $386

Fri, 11 Sep 2026 23:02:34 -0400

Anyone running or expanding HPE networking gear will want a compatible power source on hand, and this 1,050W 54VDC unit is built specifically to keep those systems running without compatibility guesswork. Buy Now at Newegg

Features

1050W power output
54VDC power supply
HPE Networking proprietary design
Model: JL087A#ABA