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

Dell M1000E 2,700W Power Supply Unit for $266

Sun, 30 Aug 2026 23:18:40 -0400

This power supply unit suits IT admins maintaining Dell blade server enclosures who need a reliable replacement or backup for the M1000E chassis without sourcing a full new unit. Newegg carries it for those handling data center upkeep where downtime isn't an option. Buy Now at Newegg

Features

2700W power output
Model: E2700

FSP 700W Industrial Power Supply for $194

Sun, 30 Aug 2026 23:18:02 -0400

Anyone building an industrial-grade or continuously running PC setup will appreciate the FSP 700W's rated durability, since it's designed to handle demanding workloads without the frequent replacement cycle of consumer-grade units. Buy Now at Newegg

Features

700W power capacity
Industrial-grade reliability
Model: FSP700-80PSA

Dell 130W CPB09-007A Power Supply Unit for $85

Sun, 30 Aug 2026 23:17:56 -0400

Anyone dealing with a failing or lost Dell laptop charger will want a direct-fit replacement like this, since it's built to the exact wattage and specs your machine expects rather than a generic universal adapter. Buy Now at Newegg

Features

130W power output
Full voltage compatibility
Model: CPB09-007A

PowerEdge R610 717W Power Supply for $130

Sun, 30 Aug 2026 23:16:45 -0400

Server admins keeping older PowerEdge R610 systems running will want a reliable replacement or backup power supply on hand, and this 717W unit fits that role without hunting down a discontinued OEM part. Buy Now at Newegg

Features

717W output power capacity
Compatible with PowerEdge R610 servers
Redundant power supply unit
Reliable performance for enterprise hardware
Model: A717P-00

3Y Power YM-2451C 450W 1U Redundant Server Power Supply for $100

Sun, 30 Aug 2026 23:16:44 -0400

Anyone running a server rack that can't afford downtime will appreciate the redundant setup, since a second power supply keeps things running if one unit fails. Buy Now at Newegg

Features

450W power output
1U redundant hot-plug design
12V 37A 5V 3A output
Model: YM-2451C

Supermicro 350W 1U ATX Server Power Supply for $117

Sun, 30 Aug 2026 23:16:36 -0400

Anyone building or repairing a compact 1U server setup will want a power supply that fits the tight form factor without cutting corners on reliability, and this Supermicro unit is built specifically for that job. Buy Now at Newegg

Features

350W power output
ATX form factor
24-pin connector
1U rackmount design
Model: PWS-351-1H

DPS-460DB-12 A 460W 12V Server Power Supply for $111

Sun, 30 Aug 2026 23:16:10 -0400

This power supply suits anyone building or repairing a server rack and needing a reliable 460W replacement unit rather than a full system overhaul. It's a straightforward fix for data closets and home lab setups where matching original spec matters more than finding the cheapest generic option. Buy Now at Newegg

Features

460W power output
12V server-grade power delivery
Tested for performance
Fast shipping
Model: DPS-460DB-12 A

180W Power Supply for HP ProDesk 600G3 SFF for $64

Sun, 30 Aug 2026 23:14:36 -0400

A solid pick if your HP ProDesk 600G3 SFF's original power supply has failed, since it's built to match the exact wattage and form factor the small form factor case requires rather than forcing you to hunt for a generic replacement that may not fit. Buy Now at Newegg

Features

180W power output
Compatible with HP ProDesk 600G3 SFF
Model: 901765-003
Compact mini PC form factor
High-efficiency server power supply

Dell 280W Optiplex GX520/620 Power Supply for $89

Sun, 30 Aug 2026 23:13:47 -0400

Older Optiplex towers can be finicky about replacement parts, so this one's worth grabbing if you need a direct-fit power supply for a GX520 or GX620 without hunting for a compatible aftermarket unit. Buy Now at Newegg

Features

280 Watt power output
Designed for Dell Optiplex Gx520
Designed for Dell Optiplex Gx620
Model: U9087

HP DL380G6 G7 750W Server Power Supply for $54

Sun, 30 Aug 2026 23:13:22 -0400

Data center admins and server hobbyists rebuilding older HP DL380 G6/G7 units will want this on hand, since finding compatible replacement power supplies for these generations can get tricky once the originals fail. Buy Now at Newegg

Features

750W power output
80 Plus Platinum efficiency
Model: 591556-101

Lian Li SP750 V2 Gold 750W SFX Power Supply for $147

Sun, 30 Aug 2026 23:12:57 -0400

A solid pick for small form factor builds where space is tight, this SFX unit still delivers 750W of 80+ Gold efficiency without forcing you to compromise on power for a compact case. Buy Now at Newegg

Features

750W power with 80 Plus Gold efficiency
Compact SFX form factor
Native 12V-2x6 cable for PCIe 5.0
Quiet 92mm FDB fan cooling
Model: SP750G.W

500W Full Modular Flex ATX Power Supply for $213

Sun, 30 Aug 2026 22:56:02 -0400

Small form factor builds benefit most from this one, since the flex ATX design fits compact cases where a standard PSU won't, and full modular cabling lets you skip the unused cords cluttering up tight spaces. Buy Now at Newegg

Features

500W power output
Flex ATX form factor
Fully modular cabling
Compact 1U chassis design
Compatible with POS and ITX systems

350W SFX Power Supply for $65

Sun, 30 Aug 2026 22:54:17 -0400

Small-form-factor builds need a PSU that fits the case without sacrificing reliable power, and this 350W SFX unit handles that for compact rigs that don't demand high-wattage components. It's a solid pick for mini-ITX builds or HTPC setups where every inch of case space counts. Buy Now at Newegg

Features

350W power output
SFX form factor compatibility
12V ATX support
Desktop PC case compatibility
Model: 350w SFX PSU

FSP Group Power Supply for $336

Sat, 29 Aug 2026 23:25:21 -0400

Anyone building or upgrading a desktop needs a dependable power supply that won't be the weak link in the system, and this one covers the wattage and connector needs of most mid-to-high-end builds without overpaying for extras you won't use. Buy Now at Newegg

Features

Compatible with FSP720, FSP520, DPS-650UB, ACE-716AP power supplies
Model: FSP720-20RGGBE1

MM-120T 120W Power Supply for $177

Sat, 29 Aug 2026 23:24:33 -0400

A solid pick if your electronics project or DIY build needs steady, reliable power without the bulk of a full-size supply, especially for setups where space under the desk or in the enclosure is tight. Buy Now at Newegg

Features

120W power output
Multiple voltage options 5V, 12V, 24V
Model: MM-120N-R3X

SilverStone ET750-HG 750W Power Supply for $102

Sat, 29 Aug 2026 23:24:13 -0400

Anyone building a high-performance rig with power-hungry GPUs will appreciate the 80+ Gold efficiency rating on this SilverStone unit, which keeps waste heat and electricity costs down over years of use. Buy Now at Newegg

Features

750W power output with 80 PLUS Gold efficiency
Semi-modular cable design for clean builds
140mm silent fan for effective cooling
Single +12V rail for stable power delivery
Model: SST-ET750-HG

NF5120 450W Server Power Supply for $150

Sat, 29 Aug 2026 23:24:11 -0400

Data center techs and small business IT folks running rack-mounted servers need reliable power delivery without the guesswork, and this supply fits that role with a straightforward 450W output built for server chassis. It's a practical replacement part to keep on hand for maintenance or upgrades rather than a general-purpose PSU for a desktop build. Buy Now at Newegg

Features

450W power output
1U form factor
Model: NF5120

PCCOOLER CPS YN1000 1,000W 80 PLUS Gold Modular Power Supply for $159

Sat, 29 Aug 2026 23:24:03 -0400

Anyone building a higher-wattage rig for a power-hungry GPU can count on the 80 PLUS Gold certification for efficient, stable output, and the fully modular cables make cable management simpler. Newegg has it for $158.99, which is $31 off the $189.99 list price. Buy Now at Newegg

Features

1000W 80 PLUS Gold certified power efficiency
ATX 3.1 and PCIe 5.1 ready with 12V-2x6 cable
Durable 105°C rated Japanese capacitors
Quiet 135mm Fluid Dynamic Bearing fan with ECO mode
Model: P5-YN1000-G1FFBK1-US

Dell T300 528W Redundant Server Power Supply for $227.20

Sat, 29 Aug 2026 23:23:53 -0400

This redundant power supply suits anyone running a Dell T300 server who wants failover protection in case one unit fails, keeping your system online without interruption. Buy Now at Newegg

Features

528W power output
Redundant power supply design
Model: D528P-00

PWS-903-PQ 900W Server Power Supply for $336

Sat, 29 Aug 2026 23:23:27 -0400

Data center techs and server-building hobbyists swapping out a dead PSU or setting up redundant power will want this, since it's built to the same specs as the original OEM unit rather than a generic replacement. Buy Now at Newegg

Features

900W power output
Supports 24, 8, 8, 4, 2 pin connectors
Model: PWS-903-PQ