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

HP 460W 12V 38A Server Power Supply for $80

Mon, 21 Sep 2026 23:16:17 -0400

Anyone running a home lab or upgrading a server build can use this as a solid replacement or backup power supply, since it delivers stable 12V output for demanding hardware without the markup of buying new from HP directly. Buy Now at Newegg

Features

460W power output
12V 38A consistent power delivery
Compatible with HP DL380 G6 G7 servers
Model: 499250-101

Ace 400W Industrial Power Supply for $173

Mon, 21 Sep 2026 23:16:10 -0400

Anyone running high-draw components in a compact build will appreciate the headroom this supply offers without taking up excessive case space, and the industrial-grade components mean you're less likely to deal with power issues down the line. Buy Now at Newegg

Features

400W power output
Industrial grade reliability
Model: ACE-841APRS

IBM 1,975W Power Supply for X3850X5 and X3950X5 for $200

Mon, 21 Sep 2026 23:15:59 -0400

Server administrators running IBM's X3850X5 or X3950X5 will want a certified replacement or backup on hand, since this power supply is built specifically for those systems rather than a generic fit. Newegg carries it for anyone needing to keep those servers running without downtime. Buy Now at Newegg

Features

1975W power output
Compatible with IBM X3850X5 and X3950X5
Model: 49Y7760

HP D12-240P3B Power Supply for $58

Mon, 21 Sep 2026 23:15:48 -0400

Anyone rebuilding or repairing a desktop will want a dependable, properly rated power supply on hand, and the HP D12-240P3B gives you an OEM-spec replacement without hunting down a compatible aftermarket unit. Buy Now at Newegg

Features

HP D12-240P3B power supply unit
Model: 722299-001

Dell MD3600f MD3200 MD3200i Server 600W Power Supply for $183

Mon, 21 Sep 2026 23:15:04 -0400

Server admins keeping legacy Dell MD3200/MD3600f storage arrays running will want a reliable replacement on hand, since sourcing OEM power supplies for older enclosures gets harder as the equipment ages. Buy Now at Newegg

Features

600W power output
Model: 6N7YJ
Model: NFCG1
Model: L600E-S0

850W Switching Power Supply for $1,322

Mon, 21 Sep 2026 23:15:03 -0400

This one suits anyone building or upgrading a mid-to-high-end PC, especially if you're running a power-hungry GPU that needs consistent, stable wattage under load. It's a straightforward pick if you want headroom for future upgrades without immediately maxing out your supply. Buy Now at Newegg

Features

850W power output capacity
High-efficiency switching power supply design
Model: DS850-3

Rich TX300/RX300/PS300 Server Power Supply PS-3601-1F for $235

Mon, 21 Sep 2026 23:14:42 -0400

Anyone running a Rich TX300, RX300, or PS300 server that needs a replacement power supply will want this exact match, since server PSUs typically aren't interchangeable across different chassis models. Buy Now at Newegg

Features

1pcs server power supply
Model: PS-3601-1F

Xinhang 650W SFX Fully Modular Power Supply for $95

Mon, 21 Sep 2026 22:49:27 -0400

Anyone building a small form factor PC will appreciate that this SFX unit skips the tangle of unused cables thanks to full modularity, and 650W gives you enough headroom for a mid-range gaming build without stepping up to a bulkier ATX supply. Buy Now at Newegg

Features

650W power output
Fully modular cable design
Mini ITX form factor
80PLUS certification
110V-240V universal input

Xinhang 650W SFX Fully Modular Power Supply for $95

Mon, 21 Sep 2026 22:49:26 -0400

Space-constrained builds like small form factor or mini-ITX rigs benefit most from this one, since the SFX size and fully modular cables let you cut clutter without cutting wattage. Buy Now at Newegg

Features

650W power output
Fully modular cable design
Mini ITX form factor
80PLUS certification
110V-240V universal input

Delta DPS-250AB-44 250W Desktop Power Supply for $51

Sun, 20 Sep 2026 23:03:27 -0400

Handy as a replacement or backup for older desktop builds where the original power supply has died or you need a spare on hand for troubleshooting other systems. Buy Now at Newegg

Features

250W power output
Dedicated NAS power supply
24pin and 20pin connectors
Model: DPS-250AB-44D

MT06 08 11 15 21 23PC Power Supply Unit for $94

Sun, 20 Sep 2026 23:03:07 -0400

Worth a look if you're building or upgrading a desktop and need a dependable power supply to keep your components running steadily under load. Buy Now at Newegg

Features

Compatible with MT06, 08, 11, 15, 21, 23 PC models
Model: P.CE10.08, P.CE10.07

HP DL380 G5 1,200W Server Power Supply for $194

Sun, 20 Sep 2026 23:02:55 -0400

This power supply suits anyone maintaining older HP ProLiant DL380 G5 servers who needs a reliable replacement without hunting down discontinued OEM parts. Newegg carries it for those keeping legacy enterprise hardware running rather than replacing the whole unit. Buy Now at Newegg

Features

1200W power output capacity
High-efficiency server-grade power conversion
Compatible with HP ProLiant DL380G5 series
Reliable dual-input power supply architecture
Model: 412837-001

Lian Li SP750 V2 750W SFX Gold Power Supply for $140

Sun, 20 Sep 2026 23:02:39 -0400

Small form factor builds need PSUs that don't hog space, and this SFX unit delivers 750W of 80+ Gold efficiency for compact PCs that still need to power decent hardware. It's a solid pick if you're squeezing a capable rig into a mini-ITX case without sacrificing wattage. 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 fluid dynamic bearing fan
Model: SP750G.B

Fujitsu TX100 S2 Power Supply Unit for $210.30

Sun, 20 Sep 2026 23:02:21 -0400

Server admins running the TX100 S2 will want this on hand as a spare, since a failed power supply can take down the whole system and specific replacements for older Fujitsu servers aren't always easy to source. Buy Now at Newegg

Features

Model: S26113-E551-V70-02

Dell 800W Power Supply for R6515 R7515 R6525 R7525 R650 R450 FC650 for $399

Sun, 20 Sep 2026 23:02:20 -0400

This power supply suits anyone maintaining or upgrading Dell PowerEdge R6515, R7515, R6525, R7525, R650, or R450 servers who needs a compatible replacement or backup unit on hand for redundancy. Newegg carries it for those looking to avoid downtime without sourcing directly from Dell. Buy Now at Newegg

Features

800W power capacity
Hot-swappable enterprise-grade power supply
Compatible with PowerEdge R6515 R7515 R6525 R7525 R650
Genuine Dell redundant power hardware
Model: L800E-S0

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

Sun, 20 Sep 2026 23:02:20 -0400

Server builders and homelab enthusiasts needing reliable, high-wattage power for rackmount setups will find this useful, especially if you're replacing a failed unit in existing infrastructure where matching specs matters more than aesthetics. Buy Now at Newegg

Features

620W power output
Model: YM-6621B

Dell Optiplex 240W Small Form Factor Power Supply for $98

Sun, 20 Sep 2026 23:02:04 -0400

Small form factor Dell towers can be picky about part compatibility, so this replacement power supply is worth having on hand if your Optiplex's original unit fails or you're upgrading components that draw more juice. Buy Now at Newegg

Features

240 Watt power supply
Compatible with Dell Optiplex 390 790 990 3010 7010 9010
Small Form Factor SFF design
30-day parts warranty
30-day labor warranty

Dell M1000E 2,700W Server Power Supply for $79

Sun, 20 Sep 2026 23:01:41 -0400

Anyone maintaining or expanding a Dell M1000E blade enclosure will want a reliable power supply on hand for swaps or redundancy, since downtime on these systems tends to affect multiple servers at once. Newegg carries this 2,700W unit if your data center or server room runs this chassis. Buy Now at Newegg

Features

2700W high power output
12V 220A reliable power delivery
100% tested for guaranteed performance
Compatible with Dell M1000E server chassis
Model: E2700P-00

2000W Full Modular ATX Mining Power Supply for $210

Sun, 20 Sep 2026 23:01:30 -0400

This power supply suits crypto miners or anyone running multiple GPUs, since the 2000W capacity and full modular cabling give you enough headroom for a large rig while keeping unused cables out of the way. Buy Now at Newegg

Features

2000W power capacity
Full modular cable design
Supports 110V and 220V inputs
ATX form factor

10-Pin and 4-Pin Power Supply Unit for HK280-72PP HK310-71PP HK360-71PP for $97

Sun, 20 Sep 2026 23:01:25 -0400

This power supply is a direct replacement part, so it suits anyone whose HK280-72PP, HK310-71PP, or HK360-71PP unit has failed and needs an exact match rather than a generic swap. Check your model number before buying since these connectors are specific to that lineup. Buy Now at Newegg

Features

10-pin power connector
4-pin power connector
Model: HK280-72PP
Model: HK310-71PP
Model: HK360-71PP