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

HSP650-S12A 650W Server Power Supply for $101

Sat, 15 Aug 2026 23:43:25 -0400

Data centers and home lab builds running high-density servers benefit most from this, since it's engineered for consistent 650W output under sustained load rather than the intermittent draw typical of desktop PSUs. Buy Now at Newegg

Features

650W power output
Designed for S3900, S5500T servers
Model: HSP650-S12A

250W Desktop Power Supply for Dell Optiplex for $86

Sat, 15 Aug 2026 23:42:37 -0400

Anyone replacing a dead PSU in an older Dell Optiplex tower will want a direct-fit option like this rather than fiddling with connector adapters or non-standard sizing, and Newegg carries it for those exact repairs. Buy Now at Newegg

Features

250W power output
Compatible with Optiplex 390, 790, 990, 3010, 7010, 9010
Model: HY6D2, 7GC81, D250AD-00, HD250AD-00

300W 80Plus Bronze FLEX 1U Power Supply for $238

Sat, 15 Aug 2026 23:42:08 -0400

This slim FLEX 1U form factor is built for compact or rackmount PC builds where a standard ATX power supply won't fit, and the 80Plus Bronze rating keeps energy waste down without pushing the price into premium territory. Buy Now at Newegg

Features

300W power output
80plus Bronze energy efficiency
Compact FLEX 1U form factor
YM-5301G YM-5301GAR model
Model: YM-5301G

HK600-12UEP 500W 2U Server Power Supply for $184

Sat, 15 Aug 2026 23:41:15 -0400

Anyone running a rack setup with high-density power demands will want this on hand, since the 2U form factor and 500W output are built specifically for server chassis rather than standard desktop cases. Buy Now at Newegg

Features

500W power output
2U server form factor
Industrial control compatibility
Switching power supply technology
Model: HK600-12UEP

Tianyi 510S v530s Qitian M420 6-pin and 4-pin Power Supply for $86

Sat, 15 Aug 2026 23:41:15 -0400

Older 6-pin/4-pin power connectors like this aren't compatible with newer motherboard standards, so this is worth grabbing if you're repairing or upgrading a Lenovo 510S, v530s, or Qitian M420 desktop and need an exact factory-spec replacement rather than an adapter workaround. Buy Now at Newegg

Features

6-pin and 4-pin power connectors
Small form factor chassis compatibility
Model: PCH018 PA-1181

Soly Tech 250W SFX Power Supply for $230

Sat, 15 Aug 2026 23:40:45 -0400

Small form factor builds need PSUs that fit tight spaces without skimping on wattage, and this SFX unit gives you 250W in a compact housing suited for mini-ITX cases and slim desktop builds. Buy Now at Newegg

Features

250W power output
SFX form factor
Model: SL-8250SFX

Delta DPS-500AB-14 A 500W Server Power Supply for $186

Sat, 15 Aug 2026 23:40:29 -0400

This power supply suits anyone building or repairing a server rig where a reliable 500W unit matters more than aesthetics or extra bells and whistles. Newegg carries it as a straightforward replacement part, useful for keeping older server hardware running without hunting down discontinued OEM stock. Buy Now at Newegg

Features

500W power capacity
Server-grade power efficiency
Reliable Delta electronics build
Model: DPS-500AB-14 A

Great Wall 600W 2U Server Power Supply for $234

Sat, 15 Aug 2026 23:40:04 -0400

Data center techs and server-rebuild projects needing a reliable 2U replacement will find this fits standard server chassis without hunting down proprietary parts, and 600W covers most single-CPU configurations comfortably. Buy Now at Newegg

Features

600W power output
2U server rack mount design
Model: GW2U-600

DPS-800NB Server Power Supply for $116

Sat, 15 Aug 2026 23:37:54 -0400

Data center techs and server rebuild projects will get the most use out of this, since it's built to replace failed power supplies in compatible rack servers rather than serve as a general-purpose PC unit. Buy Now at Newegg

Features

800W power output capacity
High-efficiency server power conversion
Redundant hot-swappable power module design
Designed for Fujitsu Primergy server reliability
Model: S26113-E574-V52

HP Pavilion P7-1148P and P7-1203 Computer Power Supply Replacement for $80

Sat, 15 Aug 2026 23:37:45 -0400

Newegg carries this replacement power supply for anyone whose HP Pavilion P7-1148P or P7-1203 desktop is failing to boot or shutting down unexpectedly due to a dying PSU, saving you the cost and hassle of replacing the whole tower. Buy Now at Newegg

Features

Replacement power supply for HP Pavilion P7-1148P
Compatible with HP Pavilion P7-1203
Single fan cooling system
2.5 pound unit weight

ASRock Pro 750W Power Supply for $54

Sat, 15 Aug 2026 23:35:46 -0400

Handles mid-to-high-end builds with a single GPU without needing to size up, and the 750W headroom gives you some breathing room if you add components later. Newegg has it at a price that makes it a reasonable pick for anyone assembling a new desktop from scratch. Buy Now at Newegg

Features

750W power output
ATX 3.1 compatibility
80 PLUS GOLD energy efficiency
Reliable 100,000 hour MTBF
Model: PRO-750G

Supermicro 500W Power Supply for $67

Sat, 15 Aug 2026 23:35:21 -0400

Anyone building or repairing a small-form-factor server setup will want a reliable power source that fits the compact chassis without extra modification, and this Supermicro unit is built specifically for that. Newegg carries it as a straightforward replacement part, which matters if you're trying to match OEM specs rather than hunt for a generic substitute. Buy Now at Newegg

Features

500W power supply
Model: PWS-504P-1R

ATX 1,000W Gaming Power Supply for $189

Sat, 15 Aug 2026 22:05:27 -0400

Handles high-wattage graphics cards and multi-drive setups without breaking a sweat, so it's worth a look if you're building or upgrading a rig with a power-hungry GPU. Newegg's version gives you headroom for future upgrades without needing to swap the PSU again down the line. Buy Now at Newegg

Features

1000W output for high-performance systems
100-240V full voltage range compatibility
Dual 4+4Pin connectors for dual CPU configurations
Active PFC for efficient power conversion
12cm fan for effective heat dissipation

MSI MPG A850GS 850W 80+ Gold Fully Modular Power Supply for $90 + free shipping

Sat, 15 Aug 2026 10:01:00 -0400

Fully modular cabling makes this a solid pick if you're routing a build in a tight case or just want to skip the cable clutter, and 80+ Gold certification means decent efficiency for a mid-to-high wattage supply. At $90, that's $60 (40%) off the $150 list price. Buy Now at Amazon

Features

80 Plus Gold certified efficiency
Active PFC power design
Reliable 105C Japanese capacitors
Industrial grade electrical protection
LLC Half Bridge DC-DC topology

Dell Alienware 460W Video Card Dock Power Supply for $247

Fri, 14 Aug 2026 23:40:48 -0400

Anyone running a power-hungry graphics card that's outgrown their PC's stock supply will want this dock, since it's built specifically to deliver stable, dedicated power to demanding video cards without taxing your system's main PSU. Buy Now at Newegg

Features

460W power output
Dell Alienware dock compatibility
Model: HU460AM-00
DP/N: C3CMT

2,000W Mining PC Power Supply for $187

Fri, 14 Aug 2026 23:34:00 -0400

Anyone running a multi-GPU mining or high-load rig needs a PSU that can handle sustained power draw without throttling, and 2,000W gives you enough headroom for several cards at once. Newegg carries it if you're outfitting a dedicated mining setup rather than a standard gaming build. Buy Now at Newegg

Features

2000W total power output
Designed for 8 video card mining rigs

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

Fri, 14 Aug 2026 23:03:13 -0400

Anyone managing a C9000 or C9010 network chassis will want a reliable replacement or backup on hand, since power supply failures can take down critical infrastructure with little warning. Buy Now at Newegg

Features

2900W power supply output
Compatible with C9000, C9010 networking hardware
Model: D3000E-S0

HP Z200 Workstation Power Supply for $174

Fri, 14 Aug 2026 22:59:32 -0400

Anyone maintaining an older HP Z200 workstation will want a reliable replacement power supply on hand before the original fails, since this specific model is getting harder to source as newer systems phase it out. Buy Now at Newegg

Features

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

Kiligeary 300W Power Supply for Advantech Industrial Controls for $114

Fri, 14 Aug 2026 22:59:13 -0400

Anyone maintaining or repairing Advantech-based industrial control systems will want this on hand as a direct-fit replacement, sparing you the downtime that comes with sourcing an OEM part. Newegg carries it for those cases when a spare needs to be ready before a failure takes a production line offline. Buy Now at Newegg

Features

300W power output
SPI-300G SPI-250G compatibility
Designed for Advantech industrial controls
Model: Kiligeary 300W

FSP 150W Power Supply Unit for Lenovo All-In-One Desktop for $127.70

Fri, 14 Aug 2026 22:58:17 -0400

Suits Lenovo all-in-one owners whose original power supply has failed and need a compatible replacement rather than a universal PSU that may not fit the system properly. Buy Now at Newegg

Features

150W output power supply
Compatible with M71z, M72z, M73z, M83z, M93z, S560, S590
Model: FSP150-20A1