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

700W 80 Plus Gold ATX Power Supply for $123

Mon, 14 Sep 2026 22:52:37 -0400

This 80 Plus Gold rating means efficient power delivery and less wasted heat, so it suits anyone building a mid-to-high-range PC who wants reliable power without paying for more wattage than they'll actually use. Newegg's version gives you a solid baseline spec without chasing a premium platinum unit you likely don't need. Buy Now at Newegg

Features

700W power capacity
80 Plus Gold certified efficiency
ATX form factor compatibility

600W 80Plus Gold ATX Power Supply for $52.20

Mon, 14 Sep 2026 22:48:52 -0400

Solid pick if your build stays under 600W and you want the efficiency and reliability that comes with 80 Plus Gold certification without paying for capacity you won't use. Buy Now at Newegg

Features

600W ATX power supply
80 Plus Gold efficiency
Silent 120mm cooling fan
Active PFC for stable performance
Compact design for mini chassis

750W ATX Power Supply for $179

Mon, 14 Sep 2026 22:06:23 -0400

Anyone building or upgrading a mid-to-high-end desktop, especially with a dedicated graphics card, will want the extra headroom this 750W supply provides without pushing the unit to its limits. It's a practical baseline for gaming rigs or workstations where you'd rather not calculate wattage down to the last watt. Buy Now at Newegg

Features

750W power output
Dual 4+4Pin CPU support
100/240V full voltage support
Active PFC energy efficiency
120mm cooling fan

Qiyi 800W 6-Video Card ATX Server Power Supply for $236.90

Sun, 13 Sep 2026 23:16:26 -0400

Anyone building a multi-GPU rig for mining or heavy computing work needs enough dedicated PCIe connectors to power six cards without daisy-chaining adapters, and that's exactly what this supply handles. Buy Now at Newegg

Features

800W power capacity
Dual CPU server power support
ATX form factor
Model: HQLH-800XM

1,800W 150A Mining Power Supply for $100

Sun, 13 Sep 2026 23:15:45 -0400

Miners running multiple GPUs will want the extra headroom here, since 1,800W and 150A output can handle rigs that would trip a standard PSU. Buy Now at Newegg

Features

1800W power output for high-performance mining rigs
Dual voltage compatibility 110V to 240V
150A power delivery for multiple GPUs
Efficient AC to DC power conversion
Integrated 60mm high-speed cooling fans

2,000W Fully Modular Mining Power Supply for $248

Sun, 13 Sep 2026 23:13:04 -0400

Anyone running a multi-GPU mining or crypto rig needs steady, high-capacity power, and the fully modular design lets you connect only the cables you need without a mess of unused wires cluttering your setup. Buy Now at Newegg

Features

2000W total power output
Fully modular cable design
Supports up to 6 video cards
Compatible with 110V-220V power inputs
Designed for high-performance crypto mining

Juniper 930W AC Power Supply with PoE+ Capability for $70.80

Sun, 13 Sep 2026 23:09:17 -0400

Network admins upgrading a switch stack to support PoE+ devices like access points and cameras will want this on hand, since it delivers the extra power those endpoints need without a separate injector. Newegg has it in stock for anyone building out or replacing capacity in a Juniper setup. Buy Now at Newegg

Features

930W power capacity
Supports PoE+ connectivity
Model: EX-PWR3-930-AC

Juniper Networks 930W Redundant Power Supply for $57

Sun, 13 Sep 2026 23:08:59 -0400

This power supply suits anyone running Juniper switches or routers who needs failover protection if the primary power source drops, keeping network gear online without interruption. It's a straightforward pick for IT setups where downtime isn't an option. Buy Now at Newegg

Features

930W power capacity
Redundant power design ensures continuous uptime

2,000W Platinum Poweredge Server Power Supply for $352

Sun, 13 Sep 2026 23:07:36 -0400

Suits anyone running a home lab or small business server rack that needs reliable, high-efficiency power without the enterprise price tag, since the platinum rating keeps waste heat and energy costs down under heavy loads. Buy Now at Newegg

Features

2000W output capacity
Platinum efficiency rated power supply
Compatible with PowerEdge R730, R630, R530, R830, R930 servers
Model: D2000E-S2

Oracle Sun X4170M3 Server Power Supply Kit for $101

Sun, 13 Sep 2026 23:07:32 -0400

Server admins keeping older Sun X4170M3 hardware running will want this on hand as a spare, since sourcing OEM power supplies for legacy systems gets harder once the original stock dries up. Buy Now at Newegg

Features

Model: X3-2
Power supply kit for Sun X4170M3
Part number 7047410
Part number 7079395
Part number 7060951

HP 1,500W Power Supply for $437.80

Sun, 13 Sep 2026 23:07:01 -0400

If you're building or upgrading a high-performance rig with power-hungry components like multiple GPUs, this gives you the headroom to run everything reliably without worrying about tripping your system under load. Buy Now at Newegg

Features

1500W PoE+ power capacity
Lifetime parts warranty
Model: HP 1500W

P2H-6350P 350W 2U Server Power Supply for $157

Sun, 13 Sep 2026 23:05:51 -0400

Anyone building or repairing a 2U rack server needs a power supply that fits the exact form factor, and this 350W unit gives you a straightforward replacement option without hunting through mismatched specs. Buy Now at Newegg

Features

350W power output
2U server form factor
ROHS compliant design
Model: P2H-6350P

500W Flex Slot Power Supply for Proliant DL360 and DL380 Gen9 for $113

Sun, 13 Sep 2026 23:05:44 -0400

Data center techs maintaining Proliant DL360 or DL380 Gen9 servers need a reliable replacement or redundant power source, and this flex slot unit slots in without any compatibility guesswork. Buy Now at Newegg

Features

500W power capacity
Flex Slot server compatibility
Platinum efficiency rating
Model: 720478-B21

DPS-750XB-A 750W 80 Plus Platinum Server Power Supply for $142.20

Sun, 13 Sep 2026 23:05:42 -0400

Anyone running a home server or NAS build will appreciate the 80 Plus Platinum rating here, since it keeps energy waste (and heat) down during long stretches of continuous use. It's a solid pick if you're repurposing server-grade hardware and want reliable, efficient power without the consumer PSU markup. Buy Now at Newegg

Features

750W power output
80 PLUS Platinum efficiency
Hot-swap functionality
Model: DPS-750XB-A

1,400W Server Power Supply with Breakout Board for $104

Sun, 13 Sep 2026 23:05:02 -0400

A breakout board turns a repurposed server PSU into a usable bench supply, so this setup suits anyone running high-wattage builds, mining rigs, or DIY electronics projects who needs steady, high-amperage power without buying a traditional ATX unit. It's a practical option if you're comfortable with basic wiring, since server supplies don't come with the plug-and-play connectors you'd get from a standard consumer PSU. Buy Now at Newegg

Features

1400W power capacity
Compatible with 750W 1200W 1400W server PSUs
Includes mining PSU breakout board
Model: D1200E-S2

Lenovo 900W 1,300W Power Supply for X3550M4 M5 and X3650M4 M5 for $157

Sun, 13 Sep 2026 23:04:52 -0400

Server upgraders and IT technicians maintaining X3550/X3650 M4 or M5 systems need a reliable spare or replacement supply, and this one's built to match Lenovo's exact specs for those chassis. Buy Now at Newegg

Features

900W 1300W high power output
Compatible with X3550M4 M5 X3650M4 M5 systems
Model: 01AF34

850W AC Power Supply for $181

Sun, 13 Sep 2026 23:04:49 -0400

Anyone building or upgrading a mid-to-high-end desktop, especially with a power-hungry GPU, will want the headroom this 850W supply offers so the system isn't running near its limit under load. Buy Now at Newegg

Features

850W power output
Model: 95882-02/04/06

DS1200-3-002 1,200W Server Power Supply for $123

Sun, 13 Sep 2026 23:04:37 -0400

Anyone building or maintaining a server rack needs reliable, high-wattage power backing multiple drives and components, and this 1,200W supply gives you the headroom to handle demanding configurations without maxing out capacity. Buy Now at Newegg

Features

1200W power capacity
Model: DS1200-3-002

Huawei CloudEngine 6800 350W Power Supply for $124

Sun, 13 Sep 2026 23:04:18 -0400

Anyone maintaining or expanding a Huawei CloudEngine 6800 switch setup will want a reliable 350W supply on hand, and Newegg's stock gives you a straightforward source for a redundant or replacement unit without hunting down enterprise networking gear elsewhere. Buy Now at Newegg

Features

350W power output capacity
CloudEngine 6800 switch compatibility
Model: PAC-350WA-B

Lenovo 450W Power Supply Unit for $118

Sun, 13 Sep 2026 23:04:01 -0400

Handy for anyone building or upgrading a desktop who needs a dependable replacement PSU without paying for wattage you won't use, especially in a compact or budget rig. Buy Now at Newegg

Features

450W power output capacity
14-pin proprietary power connector
High-efficiency FSP industrial grade design
Compatible with multiple Lenovo desktop systems
Model: FSP450-50ETN