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

Juniper JPSU-600-AC-AFO Power Supply for $684.80

Wed, 29 Jul 2026 23:13:26 -0400

A straightforward pick for IT admins or network engineers maintaining Juniper switching or routing hardware who need a replacement or spare 600W AC power supply with front-to-back airflow. Buy Now at Newegg

Features

600W AC power supply
Airflow out configuration
Front-to-back cooling system
Model: JPSU-600-AC-AFO

Juniper EX9214 Redundant AC Power Supply System for $36,299.88

Wed, 29 Jul 2026 23:12:57 -0400

Enterprise networking gear like the EX9214 runs on redundant power configurations, and this supply is built to slot into that chassis to keep it online if a primary unit fails. A practical pickup for network engineers or IT teams maintaining Juniper modular switches in a data center or large campus environment. Buy Now at Newegg

Features

Model: EX9214-REDUND3-AC

Thermaltake GF1 850W 80 PLUS Gold Fully Modular ATX Power Supply for $87

Wed, 29 Jul 2026 23:11:09 -0400

The fully modular design means you only connect the cables your build actually needs, which keeps airflow cleaner and cable management simpler compared to semi-modular or non-modular units. At $87, that's $23 off the $110 list price for an 80 PLUS Gold-rated 850W PSU. Buy Now at Newegg

Features

850W continuous power output
80Plus Gold efficiency certified
Reliable Japanese 105°C capacitors
Fully modular cable management
Low-profile flat black cables

Dell Optiplex XE2 SFF 315W Power Supply Unit for $202

Wed, 29 Jul 2026 23:11:01 -0400

A straightforward drop-in replacement for the standard power supply in a Dell Optiplex XE2 Small Form Factor desktop, useful if yours has failed or you need a spare on hand for a business environment running multiple units. Buy Now at Newegg

Features

315W power output
Compatible with Optiplex-XE 2 SFF
8-pin, 4-pin, 6-pin power connectors
Model: VX372

Dell T300 528W Server Power Supply for $227.20

Wed, 29 Jul 2026 23:10:54 -0400

A straightforward pick for anyone running a Dell T300 tower server who needs a replacement or spare power supply, since sourcing OEM server PSUs can get expensive fast. Buy Now at Newegg

Features

528W power output capacity
Redundant power design for reliability
Compatible with T300 servers
Model: D528P-00
Model: NT154

Fujitsu 460W Switching Power Supply DPS-460DB-9 A for $447

Wed, 29 Jul 2026 23:10:51 -0400

A replacement or upgrade option for Fujitsu system builders and repair technicians who need a compatible 460W switching power supply unit, particularly for matching OEM specs on Fujitsu desktop or workstation builds. Buy Now at Newegg

Features

Pre-tested functionality before shipping

IBM X3250M3 Server 351W Power Supply for $76

Wed, 29 Jul 2026 23:10:50 -0400

A straightforward option for anyone running an IBM X3250 M3 server that needs a replacement or spare power supply, keeping aging but still-capable hardware operational without sourcing from a vendor repair program. Buy Now at Newegg

Features

Refurbished and pre-tested for guaranteed functionality

Dell T5500 and T5400 875W Switching Power Supply for $245

Wed, 29 Jul 2026 23:10:41 -0400

A straightforward replacement or upgrade option for Dell T5500 and T5400 workstation owners who need a high-wattage PSU that fits without modifications. At 875W, it has enough headroom for builds running multiple drives, high-end GPUs, or other power-hungry components. Buy Now at Newegg

Features

875W total power capacity
Supports T5500 and T5400 systems
Model: N875EF-00
Model: H875EF-00
Model: NPS-875BB A

Liteon 650W 1U Modular Switching Power Supply for $246.80

Wed, 29 Jul 2026 23:10:33 -0400

A 650W 1U modular PSU is a fairly specific piece of hardware, suited for rack-mounted server builds or compact industrial systems where space is tight and cable management matters. Newegg has this one listed, and modular wiring means you're only running the cables your build actually needs. Buy Now at Newegg

Features

Pre-tested functionality before shipping

Gigabyte G750H 750W 80 Plus Gold Modular Power Supply for $298

Wed, 29 Jul 2026 23:10:33 -0400

Modular power supplies let you connect only the cables you actually need, which keeps your build cleaner and airflow less restricted. At 750W with an 80 Plus Gold efficiency rating, this unit suits a mid-to-high-end gaming or workstation build without overpaying for more wattage than you'll use. Buy Now at Newegg

Features

Pre-tested functionality before shipping

Powerup 1,000W 80 Plus Gold ATX Power Supply for $334

Wed, 29 Jul 2026 23:10:26 -0400

A solid pick if you're building or upgrading a mid-to-high-end PC and want a power supply with 80 Plus Gold efficiency certification, which means less wasted energy as heat and lower electricity draw under load. Buy Now at Newegg

Features

1000W power capacity
80 Plus Gold efficiency certification
Active PFC power factor correction
Universal 100-240V input voltage
Model: POWERUP

Antec HCG850 850W 80 Plus Gold ATX Modular Power Supply for $379

Wed, 29 Jul 2026 23:10:19 -0400

Modular cabling keeps your PC build cleaner since you only connect the cables you actually need, and 850W with an 80 Plus Gold efficiency rating gives you enough headroom for a high-end GPU without wasting much power as heat. Buy Now at Newegg

Features

Pre-tested functionality before shipping

Dell EqualLogic 1,080W Power Supply for $724

Wed, 29 Jul 2026 23:10:13 -0400

A straightforward pick for IT teams maintaining Dell EqualLogic SAN arrays who need a replacement or spare power supply unit to keep their storage infrastructure running. Buy Now at Newegg

Features

Pre-tested functionality before shipping

MM-120N-R3X 120W Multi-Voltage Power Supply for $177

Wed, 29 Jul 2026 23:10:06 -0400

Handy for powering devices that require different voltage inputs, this 120W supply suits hobbyists, lab setups, or anyone who regularly works with hardware that doesn't run on a single standard voltage. Buy Now at Newegg

Features

120W total power output
5V, 12V, 24V multi-voltage support
Model: MM-120N-R3X

Enhance 300W TFX-0130 Power Supply for $195

Wed, 29 Jul 2026 23:10:04 -0400

A TFX power supply is a smaller form factor unit designed for slim or compact desktop cases that won't fit a standard ATX supply, so this is primarily useful if you're building or upgrading a small form factor PC that requires that specific size. Buy Now at Newegg

Features

300W power output
TFX form factor
Model: TFX-0130

Dell Switching Power Supply Unit for $69

Wed, 29 Jul 2026 23:09:55 -0400

A spare or replacement PSU worth looking at if you're building or maintaining a Dell-compatible system and want a branded unit rather than a generic alternative. Buy Now at Newegg

Features

Replacement power supply unit
Compatible with Dell CYY97 XFWXR X3KJ8
Model: CYY97

Dell 750W Power Supply for R620/R520/R720/R820/R420 for $350

Wed, 29 Jul 2026 23:09:49 -0400

A direct replacement for Dell PowerEdge R-series servers like the R620, R720, and R820, this 750W unit is what you need if you're running one of those rack servers and a PSU has failed or you want a hot-swap spare on hand. Buy Now at Newegg

Features

750W power output
Compatible with Dell R620 520 720 820 420
Model: E750E-S0
High-efficiency server power supply
Reliable redundant power solution

Dell 240W Power Supply for Inspiron 3668 for $137

Wed, 29 Jul 2026 23:09:48 -0400

A straightforward upgrade or replacement if your Inspiron 3668 needs more wattage headroom for a GPU or additional components, since the stock PSU in that tower is often a limiting factor for upgrades. Buy Now at Newegg

Features

Power Supply

Dell 550W Switching Power Supply for R320 and R420 for $60.50

Wed, 29 Jul 2026 23:09:34 -0400

A straightforward option if your Dell R320 or R420 server needs a replacement PSU, as the 550W output covers standard rack workloads without overbuilding the power budget. Buy Now at Newegg

Features

550W power output
Reliable switching power supply
Model: RYMG6

Juniper SSG520/SSG550-DC Switching Power Supply for $182.50

Wed, 29 Jul 2026 23:09:34 -0400

Newegg has this DC switching power supply as a replacement or spare for Juniper SSG520 and SSG550 series firewalls, so it's a fairly specific buy suited to network admins maintaining aging Juniper hardware who need a compatible unit without going through a VAR or paying enterprise support pricing. Buy Now at Newegg

Features

Model: YM-7421E