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

Replace Power 420W ATX Power Supply for $80

Sun, 16 Aug 2026 23:40:13 -0400

Older desktops and budget rebuilds with modest power needs are the main fit here, since 420W covers basic components without paying for wattage you'll never use. Newegg carries this as a straightforward replacement option if your current PSU has died and you don't need anything fancier than standard ATX connectors. Buy Now at Newegg

Features

420W power output
ATX form factor
HP desktop compatibility
Integrated cooling fan
Model: HP-D2537F3R

Inspur YM-2681HGR 700W Server Power Supply Module for $188.20

Sun, 16 Aug 2026 23:39:19 -0400

Data center admins and IT techs maintaining older Inspur server racks will want this on hand as a direct-fit replacement before a failing unit takes down a whole system. Newegg carries it if your usual parts supplier doesn't stock this specific model number. Buy Now at Newegg

Features

700W power capacity
Hot-swappable design for continuous operation
Redundant power architecture
Model: YM-2681HGR

Dell Optiplex SFF 235W Power Supply for $84

Sun, 16 Aug 2026 23:39:09 -0400

Newegg carries this Optiplex SFF power supply for anyone whose small form factor Dell has died or is struggling to keep up, and it's built to the exact specs the system needs rather than a generic universal fit. Buy Now at Newegg

Features

235W power output
100-240V universal input voltage
Small form factor compatible
Model: H235P-00

Replacement Power Supply for HK401-11FP YM-6521B YM-6621B YM-1921A YM-6351N ACE-840A for $344.90

Sun, 16 Aug 2026 23:38:56 -0400

Anyone whose HK401-11FP or similarly numbered unit has died from a failed power supply can replace just that component instead of the whole device, saving you the cost of a full replacement. Buy Now at Newegg

Features

Compatible with HK401-11FP and YM-6521B series power supplies
Reliable replacement power supply unit
Standardized electrical power output
Designed for specific industrial and electronic hardware
Model: HK401-11FP

Powerup 550W Server Redundant Power Supply for $181

Sun, 16 Aug 2026 23:37:06 -0400

Data center admins or small business server setups needing failover protection will find this useful, since redundant power supplies keep your server running even if one unit fails. Buy Now at Newegg

Features

550W power output
Redundant power supply design
Model: GW-CRPS550

PRT PSA400M 400W Power Supply for $191

Sun, 16 Aug 2026 23:36:56 -0400

Anyone building a budget or backup PC will find this a solid pick for basic power needs without paying for wattage you don't actually use. Buy Now at Newegg

Features

400W power output capacity
Model: PSA400M

HP Z230 400W Power Supply Unit for $266

Sun, 16 Aug 2026 23:36:47 -0400

This power supply is a direct replacement for the HP Z230 workstation, so it's a good pick if you're repairing or upgrading an existing tower rather than trying to fit a generic ATX unit. Newegg has it in stock for anyone who needs an exact-match part instead of hunting through third-party listings. Buy Now at Newegg

Features

400W power supply capacity
Model: 704427-001

Dell Optiplex Small Form Factor 240W Power Supply for $97

Sun, 16 Aug 2026 23:36:23 -0400

Anyone maintaining or upgrading a Dell Optiplex SFF desktop will want a compatible replacement on hand, since power supply failures are common and this exact form factor won't fit standard ATX cases. Buy Now at Newegg

Features

240 Watt power output
Compatible with Optiplex 390, 790, 990, 3010, 7010, 9010
Small form factor design
30-day parts warranty
30-day labor warranty

YM-6621B 620W Server Power Supply for $101

Sun, 16 Aug 2026 23:35:51 -0400

Server builders and homelab enthusiasts running demanding workloads will want the reliable 620W output this power supply provides, especially in rackmount setups where consistent power delivery matters most. Buy Now at Newegg

Features

620W power output
Model: YM-6621B

IBM X3400M3 and X3500M3 670W Switching Power Supply for $234

Sun, 16 Aug 2026 23:35:40 -0400

This power supply suits anyone maintaining or repairing an IBM X3400M3 or X3500M3 server who needs an exact-fit replacement rather than a generic substitute. It's a straightforward option for keeping older enterprise hardware running without sourcing a full system upgrade. Buy Now at Newegg

Features

670W power output
Compatible with IBM X3400M3, X3500M3, M2 servers
Reliable switching power supply architecture
Replaces part numbers 39Y7392, 39Y7393, FS7037
Model: 39Y7392

HP 240W Power Supply for Z200 Z210 Z220 4000 4300 for $111

Sun, 16 Aug 2026 23:35:29 -0400

Runs on Z200, Z210, Z220, and 4000/4300 series desktops, so it's a straightforward pick if you're replacing a failed factory unit rather than trying to squeeze in extra wattage for upgrades. Buy Now at Newegg

Features

240W power capacity
Compatible with HP Z200 Z210 Z220 series
Model: 611479-001

Lian Li SP V2 750W 80 Plus Gold SFX Power Supply for $135

Sun, 16 Aug 2026 23:35:06 -0400

Small form factor builders will want this one, since the SFX size fits compact cases where a standard ATX supply won't, and 750W with 80 Plus Gold certification covers most mid-to-high-end builds without wasting power as heat. Buy Now at Newegg

Features

750W SFX form factor
80 Plus Gold efficiency
ATX 3.1 and PCIe 5.0 compliant
Native 12V-2x6 cable support
Model: SP750G.B

2,000W Miner GPU Power Supply for $189

Sun, 16 Aug 2026 23:32:42 -0400

Anyone running a multi-GPU mining rig or high-draw workstation build needs stable, sufficient wattage, and this power supply covers that headroom without requiring multiple separate units. Buy Now at Newegg

Features

2000W power output for high-performance mining
10x6Pin connectors for multiple GPU support
Dual voltage support 110V-240V for global compatibility
Over-voltage protection ensures hardware safety
High efficiency design exceeds 80% rating

500W 80 Plus Gold ATX Power Supply for $47

Sun, 16 Aug 2026 22:57:36 -0400

Runs quiet and efficient enough for a mid-range gaming rig, and the 80 Plus Gold rating means less wasted power (and heat) compared to standard PSUs. Worth a look if you're building or upgrading a system without a lot of power-hungry components. Buy Now at Newegg

Features

500W power output
80Plus Gold certified efficiency
Active PFC power regulation
120mm silent cooling fan
Compact design for mini chassis

HU460AM-00 460W Power Supply for $98

Sun, 16 Aug 2026 00:31:06 -0400

Anyone rebuilding or repairing a prebuilt system will want a supply that matches the original spec exactly rather than guessing on a generic replacement, and at 460W this one covers most standard office or budget desktop setups. Buy Now at Newegg

Features

460W power supply capacity
Model: HU460AM-00
Compatible with video card docks
Genuine Dell part number C3CMT

2,000W Modular ATX Power Supply for $235.80

Sun, 16 Aug 2026 00:27:19 -0400

Anyone building a high-end rig with multiple GPUs or overclocked components will want that much headroom, and the modular cables mean you're not stuffing unused wires into your case. Newegg's build quality standards on ATX supplies make it a safer bet for a part that's expensive to replace if it fails. Buy Now at Newegg

Features

2000W power capacity for high-performance mining
Full modular cable design for clean installation
Supports up to 6 video cards simultaneously
Compatible with 110V-220V power inputs
ATX form factor for standard PC cases

HPE X372 1,050W Power Supply for $386

Sat, 15 Aug 2026 23:56:12 -0400

Data center and server admins needing redundant power for HPE ProLiant systems will want this on hand, since matching wattage and hot-plug compatibility matters more than going with a generic replacement. Buy Now at Newegg

Features

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

1,400W Server Power Supply Unit for $78

Sat, 15 Aug 2026 23:46:57 -0400

This power supply unit suits home lab enthusiasts or small business owners running dense server racks that need reliable, high-wattage output without a full data center budget. The redundant design also means less downtime risk if you're hosting anything mission-critical. Buy Now at Newegg

Features

1400W power output
Designed for server hardware
Supports high-intensity mining operations
Model: D1200E-S0

495W Switching Power Supply for Dell PowerEdge R730 R630 R530 T630 for $101

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

This power supply is a direct fit for Dell PowerEdge R730, R630, R530, and T630 servers, so it's worth checking if you're replacing a failed unit or adding redundancy rather than sourcing a generic third-party alternative. Buy Now at Newegg

Features

495W power output capacity
Compatible with Dell R730 R630 730XD R530 T630 servers
Redundant switching power supply design
Model: D495E-S1

C2100 750W Server Power Supply for $77

Sat, 15 Aug 2026 23:43:32 -0400

Data center techs and homelab builders running dense server setups will want this for its reliability at high wattage without taking up extra space in the rack. Buy Now at Newegg

Features

750W power output
C2100 server compatibility
Model: PS-2751-5Q