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

FSP 250W ATX PC Power Supply for $77

Thu, 30 Jul 2026 23:07:37 -0400

A straightforward pick for anyone building a budget PC or replacing a failed unit in a small form-factor or low-power system where 250W is enough to cover the load. Buy Now at Newegg

Features

250W power output
ATX form factor
Compatible with multiple desktop models
Model: FSP250-30AGBAA

525W Server Power Supply for Precision T3500 for $166

Thu, 30 Jul 2026 23:07:37 -0400

A straightforward upgrade or replacement option for anyone running a Dell Precision T3500 workstation who needs a reliable 525W power supply sourced from a known electronics retailer. Buy Now at Newegg

Features

525W power output capacity
Compatible with Precision T3500 workstations
Reliable server-grade power supply unit
66-pin connector interface
Model: D525AF-00

HP 400W 80 Plus Platinum Power Supply for $80

Thu, 30 Jul 2026 23:07:33 -0400

A solid pick if your build needs an efficient, reliable PSU without overspending — the 80 Plus Platinum rating means it runs at 90%+ efficiency under typical loads, which translates to less heat and lower energy costs over time. Buy Now at Newegg

Features

Model: PA-3401-1

1,400W DPS-1200MB Server Power Supply with Breakout Board for $122

Thu, 30 Jul 2026 23:07:21 -0400

Server power supplies repurposed for desktop or workstation use are a niche but practical way to get high-wattage, reliable power at a fraction of what a consumer PSU costs, and the breakout board here handles the wiring conversion for you. Worth looking at if you're running a power-hungry GPU mining rig, high-core-count workstation, or any build that needs sustained 1,400W without spending on a premium consumer unit. Buy Now at Newegg

Features

1400W power capacity for high-demand server hardware
Supports 750W 1200W and 1400W server power supplies
Includes breakout board for efficient multi-device connectivity
Designed for stable mining and server system performance
Model: D1200E-S2

350W Server Power Supply for PowerEdge R320 R330 R420 R420XR for $143

Thu, 30 Jul 2026 23:06:53 -0400

A good option if you're replacing a failed unit in a PowerEdge R320, R330, R420, or R420XR and want a direct-fit replacement without sourcing through Dell directly. Buy Now at Newegg

Features

350W server power supply
Compatible with PowerEdge R320, R330, R420, R420XR
Model: Y8Y65

Dell 950W Workstation Power Supply for $325

Thu, 30 Jul 2026 23:06:38 -0400

A workstation power supply swap worth considering if your Dell tower's original PSU has failed and you want a direct OEM replacement rather than a third-party unit that may require adapter cables or firmware workarounds. Buy Now at Newegg

Features

950W power output
Model: N1000P-00

Huntkey 250W 1U Small Switching Power Supply HK350-92FP for $135

Thu, 30 Jul 2026 23:06:31 -0400

A compact 1U form factor makes this a practical pick for small form factor builds, rack-mounted systems, or any setup where a standard ATX power supply won't physically fit. Buy Now at Newegg

Features

Tested for functionality before shipping

Inspur 550W Server Power Supply PS-2551-5L for $151.20

Thu, 30 Jul 2026 23:06:04 -0400

A straightforward option for anyone building or repairing a server on a budget, since 550W server-grade PSUs from OEM suppliers like Inspur don't often show up at consumer retailers. Buy Now at Newegg

Features

550W power output
Compatible with Inspur M4 M5 series
Model: PS-2551-5L

Dell H240AS-00 240W SFF Desktop Power Supply for $124

Thu, 30 Jul 2026 23:05:34 -0400

A straightforward swap for anyone replacing a failed or underpowered unit in a Dell SFF desktop, since the H240AS-00 is a proprietary form factor that won't accept standard ATX supplies. Buy Now at Newegg

Features

240W power capacity
Small form factor compatible
Replacement for OptiPlex 390, 790, 960, 990, 3010, 7010, 9010
Model: H240AS-00

Juniper Power Supply for $437

Thu, 30 Jul 2026 23:05:32 -0400

A solid option if you're maintaining or upgrading Juniper network hardware and need a replacement or spare power supply unit — these are typically purchased by IT administrators or network engineers managing enterprise infrastructure. Buy Now at Newegg

Features

Proprietary power supply

Dell GX100 GX110 GX200 Power Supply Unit for $146

Thu, 30 Jul 2026 23:05:06 -0400

Older Dell GX-series desktops use a proprietary power supply form factor, so if yours has failed or is showing signs of instability, this is the kind of direct replacement that saves you from compatibility guesswork. Buy Now at Newegg

Features

Model: GX100
Model: GX110
Model: GX200
Model: NPS-200PB-73
Model: PS-5201-7D

Juniper PWR-MX960-AC-S-C AC Power Supply for $402.10

Thu, 30 Jul 2026 23:04:30 -0400

Rack-level power supplies like this don't come up at accessible prices often, so if you're running or building out a Juniper MX960 router, this is the AC power supply unit designed specifically for that chassis. Buy Now at Newegg

Features

Juniper SRX5600, SRX5800, MX960 power supply
AC power input support
Model: DCJ17001-01P

240W Desktop Power Supply for Lenovo M70E M75E M81 M91P for $91

Thu, 30 Jul 2026 23:04:08 -0400

A straightforward swap for anyone replacing a dead or underpowered unit in a Lenovo M70E, M75E, M81, or M91P desktop, since the compatibility is already matched to those specific models. Buy Now at Newegg

Features

240W power capacity
Compatible with M70E, M75E, M81, M91P desktops
Model: 54Y8819

Juniper Networks JPSU-1100-AC-AFO Power Supply for $995.10

Thu, 30 Jul 2026 23:02:55 -0400

A rack-level power supply swap for Juniper networking hardware, this 1100W AC unit suits IT teams maintaining or expanding existing Juniper infrastructure who need a direct replacement rather than a third-party workaround. Buy Now at Newegg

Features

1100W power capacity
AC power input
Front-to-back airflow cooling
Redundant power supply support
Model: JPSU-1100-AC-AFO

275W Server Power Supply for Optiplex 3010 7010 9010 Mini Tower for $47

Thu, 30 Jul 2026 23:02:46 -0400

A straightforward swap for anyone upgrading or replacing a failed PSU in an Optiplex 3010, 7010, or 9010 Mini Tower, since these Dell systems use a proprietary form factor that standard ATX supplies won't fit. Buy Now at Newegg

Features

275W total power output
Compatible with Optiplex 3010, 7010, 9010 Mini Towers
Model: H275AM-00
Model: L275AM-00
Model: F275EM-00

400W Flex 1U Power Supply for $73

Thu, 30 Jul 2026 22:42:38 -0400

A compact form factor PSU that fits slim 1U rackmount cases where standard ATX units won't physically fit, so it's mainly for builders working with server chassis or small form factor systems with tight space constraints. Buy Now at Newegg

Features

400W power supply
Flex power supply form factor
Compatible with NAS cases
Designed for servers and workstations
Suitable for small 1U chassis

Xinhang 650W SFX Fully Modular Power Supply for $95

Thu, 30 Jul 2026 22:42:09 -0400

A fully modular SFX power supply at 650W covers most compact PC builds, and the modular cabling means you only connect what you actually need, which helps with airflow in tight cases where every bit of space matters. Buy Now at Newegg

Features

650W power output
Fully modular cable design
Compact Mini ITX form factor
80PLUS energy efficiency certification
Model: XINHANG SFX 650W

Xinhang 650W SFX Fully Modular Power Supply for $95

Thu, 30 Jul 2026 22:41:38 -0400

Features

650W power output
Fully modular cable design
Compact Mini ITX form factor
80PLUS energy efficiency certification
Model: XINHANG SFX 650W

HPE 1,050W Power Supply JL087A#B2C for $1,627

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

A straightforward pick for IT admins or network engineers running HPE-based infrastructure who need a replacement or spare power supply unit for compatible switches or servers. Buy Now at Newegg

Features

54V DC power supply
1050W output power
Reduces fan noise
Ensures device safety

Juniper JPSU-350-AC-AFO Power Supply for $330

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

A straightforward pick for network administrators managing Juniper EX or QFX series switches who need a verified OEM replacement or spare power supply unit rather than a third-party alternative. Buy Now at Newegg

Features

350W output power capacity
Supports 120V and 230V AC input voltage
Compact plug-in module form factor
Compatible with Juniper EX4300 series Ethernet switches
Model: JPSU-350-AC-AFO