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

MSI MPG A850GS PCIE5 850W Fully Modular 80+ Gold Power Supply for $80 after $10 rebate + free shipping

Mon, 24 Aug 2026 13:12:33 -0400

At Newegg, the MSI MPG A850GS PCIE5, an 850W fully modular power supply with 80 PLUS Gold certification for up to 90% efficiency is $80 after a $10 rebate (clearly linked on the product page). That's a total savings of $30 and the best price we could find. It includes dual native 12V-2x6 PCIe connectors, each capable of delivering up to 600W, along with a fluid-dynamic bearing fan and a Zero Fan Mode for quiet operation. It ships for free. Buy Now at Newegg

Features

850-watt maximum power output
80 PLUS Gold certified for up to 90% efficiency
Fully modular cable design
Dual native 12V-2x6 PCIe connectors supporting up to 600W each
135 mm fluid-dynamic bearing fan with Zero Fan Mode for quiet operation
Compact 150 mm x 150 mm ATX form factor

ASRock Steel Legend SL-850G 850W Full Modular Power Supply for $80 + free shipping

Thu, 20 Aug 2026 07:02:28 -0400

Newegg offers the ASRock Steel Legend SL-850G 850W Full Modular Power Supply for $80. That's a savings of $50 and the lowest price we could find by $10. Shipping is free. Buy Now at Newegg

Features

850-watt output with 80 PLUS Gold and Cybenetics Platinum efficiency certification
Supports ATX3.1 and PCIe5.1 standards
Native 12V-2x6 power connector with dual color design for easy plug alignment
135mm fluid dynamic bearing fan with intelligent fan control mode

ASRock PRO Series PRO-750G 750W 80 PLUS GOLD Power Supply for $55 + free shipping

Wed, 19 Aug 2026 11:38:29 -0400

The ASRock PRO Series PRO-750G is $55 at Newegg right now. It's $50 under the current price at Amazon and the lowest price we could find. Free shipping applies. Buy Now at Newegg

Features

750 W maximum power output
80 PLUS Gold energy efficiency certification
Native 12V-2x6 connector with dual color design
Quiet 120mm cooling fan
3-year warranty

Corsair CX Series CX750 80 PLUS Bronze ATX Power Supply for $60 + free shipping

Wed, 19 Aug 2026 04:22:25 -0400

At Newegg, get the Corsair CX Series CX750 80 PLUS Bronze ATX Power Supply for $60 . That's the best price we could find by $20. Shipping is free. Buy Now at Newegg

Features

750-watt continuous power output
120mm thermally controlled fan for quieter operation under light loads
Compact 125mm-long casing for easy fit in most PC cases

SeaSonic Focus GX ATX 3.1 750W 80 PLUS Gold Modular Power Supply for $90 + free next day shipping

Thu, 30 Jul 2026 14:14:59 -0400

B&H Photo Video offers the SeaSonic Electronics Focus GX ATX 3.1 750W 80 PLUS Gold Modular Power Supply for $90. That's $50 under list, $50 under Amazon, and the lowest price we could find. It supports the newer ATX 3.1 and PCIe 5.1 standards with native 12VHPWR connectors, and comes with a 10-year manufacturer warranty. Free next-day shipping applies. Buy Now at B&H Photo Video

Features

750W power output with 80 PLUS Gold efficiency rating
Fully modular cabling with braided pattern
Built for ATX 3.1 and PCIe 5.1 standards, including native 12VHPWR connectors
135mm fluid dynamic bearing cooling fan with Digital Hybrid Fan Control
One motherboard connector, five CPU/PCIe connectors, one PCIe 5.1 connector, and four SATA/Molex connectors
Rated for 50,000 hours of use with a 10-year manufacturer warranty

ASRock PRO Series PRO-750G PLUS Gold Certified Power Supply for $55 + free shipping

Mon, 27 Jul 2026 05:14:14 -0400

Newegg offers the ASRock PRO Series PRO-750G PLUS Gold Certified Power Supply for $55. That's a savings of $25. Shipping is free. Buy Now at Newegg

Features

750-watt output
80 PLUS Gold certified for efficiency
Built for ATX 3.1 and PCIe 5.1 compatibility
Native 12V-2x6 connector with dual color design
120mm low noise fan

Montech Century II 1050W 80 Plus Gold Fully Modular ATX Power Supply for $90 + free shipping

Mon, 27 Jul 2026 04:59:30 -0400

This Montech Century II power supply is $89.90 at Newegg with free shipping. That's a savings of $20. Shipping is free. Buy Now at Newegg

Features

1050-watt output with 80 Plus Gold and Cybenetics Platinum efficiency certification
Supports ATX 3.1 and PCIe 5.1 standards with 12V-2x6 cable
135mm fluid dynamic bearing fan with zero RPM silent mode

Rosewill VSB 750W 80+ Bronze Semi-Modular Power Supply for $55 + free shipping

Thu, 16 Jul 2026 14:39:13 -0400

This Rosewill VSB750 power supply is $54.51 at Amazon. That's $5 less than our mention three weeks ago and the best price we found now by $15. Shipping is free. Buy Now at Amazon

Features

Intel ATX 3.0 and 3.1 ready
80 PLUS Bronze certified efficiency
Native PCIe 5.1 600W GPU power delivery
Compact 140x150x86mm chassis for small builds
Integrated six-protection suite for system security

ASRock Challenger CL-750G 750W 80 PLUS Gold Power Supply for $50 + free shipping

Thu, 09 Jul 2026 06:32:14 -0400

This ASRock Challenger CL-750G power supply is available at Newegg for $49.99. That's the best price we could find by $19. Plus, it ships free. Buy Now at Newegg

Features

120mm fan with automatic intelligent fan control
Built-in 5V boost function
Backed by a 5-year warranty

Corsair RM750e Fully Modular 750W PSU for $90 + free shipping

Tue, 07 Jul 2026 15:24:35 -0400

Amazon offers the Corsair RM750e Fully Modular 750W PSU for $90. Save $25 compared to the typical price on this modular 750W power supply, which offers quiet operation and modern standby compatibility with new PCIe standards. Buy Now at Amazon

Features

750W fully modular power supply
Supports PCIe 5.1 platforms
Quiet 120mm rifle bearing fan
105°C-rated capacitors for durability
Modern standby mode ready

Corsair CX-M Series CX750M 750W 80 PLUS Bronze Semi-Modular Power Supply for $60 + free shipping

Mon, 06 Jul 2026 04:56:44 -0400

A Newegg shellshocker deal, get the Corsair CX-M CX750M, a 750-watt 80 PLUS Bronze semi-modular power supply for $60. That's a savings of $40. It includes a rifle bearing fan for quieter operation and Japanese capacitors rated at 105°C, backed by a 5-year warranty. Buy Now at Newegg

Features

750-watt output with 80 PLUS Bronze certification for efficient power use
Semi-modular cabling with dual EPS12V connectors for easier cable management

Corsair RMx Shift Series RM1200x Shift Fully Modular 80PLUS Gold ATX Power Supply for $160 w/ $30 Newegg Gift Card + free shipping

Tue, 30 Jun 2026 04:44:48 -0400

At Newegg, get the Corsair RMx Shift Series RM1200x Shift Fully Modular 80PLUS Gold ATX Power Supply for $160. That's a savings of $95 and it comes with a $30 Newegg gift card. Shipping is free. Buy Now at Newegg

ASRock Steel Legend SL-1000G 1000W Power Supply for $100 + free shipping

Mon, 22 Jun 2026 14:15:30 -0400

Amazon offers the ASRock Steel Legend SL-1000G 1000W Power Supply for $100. That's $60 off original list and the lowest price it's ever been at Amazon. Buy Now at Amazon

Features

1000W with 80 Plus Gold certification
ATX3.1 and PCIe5.1 ready
Fully modular cables
Japanese capacitors
135mm cooling fan

Corsair SF1000 Modular SFX Power Supply for $170 + free shipping

Wed, 17 Jun 2026 03:41:53 -0400

Amazon offers the Corsair SF1000 Modular SFX Power Supply for $170. That's $100 off and the lowest price we've seen for it. Shipping is free. Buy Now at Amazon

Features

92mm PWM cooling fan
Model: CP-9020257-NA

Rosewill Power Supply Deals at Newegg: Up to 20% off + extra 10% off + free shipping

Tue, 02 Jun 2026 14:25:05 -0400

Save on Rosewill power supply deals at Newegg, including discounts on ATX 3.0 and ATX 3.1 compatible models. Plus, get an extra 10% off on select models via coupon code "RWPC65". We've pictured the Rosewill CMG 850W 80+ Gold Full Modular Power Supply for $70 ($30 off) after the coupon code "RWPC65". Other deals include the Rosewill CMG5 1000W 80+ Gold Full Modular Power Supply for $100 ($20 off) and the Rosewill VMG 850W 80+ Gold Full Modular Power Supply for $90 with promo code "RWPC65". Free shipping applies. Shop Now at Newegg

Gateway GT3084M and GT3226M Power Supply Replacement for $80

Mon, 24 Aug 2026 23:53:11 -0400

Restarting a dead Gateway GT3084M or GT3226M often comes down to a failed power supply, so this replacement is worth grabbing before you assume the whole machine is toast. Buy Now at Newegg

Features

Compatible replacement power supply for Gateway GT3084M GT3226M
Includes one high-performance cooling fan
Lightweight 2.5lb design for easy installation

Dell 290W Power Supply Unit for $100

Mon, 24 Aug 2026 23:53:06 -0400

Suits anyone whose desktop's power supply died or is due for a refresh, since matching Dell's exact spec avoids the compatibility guesswork of a generic replacement. Buy Now at Newegg

Features

290W power supply output
Compatible with Dell OptiPlex 3020 and 7020MT
Replaces L290AM-00, AC290AM-00 part numbers
Genuine 776VT, RVTHD, XFXKX internal components
Model: L290AM-00

AMS2500 DF-F800 Power Supply 3276255-A for $200

Mon, 24 Aug 2026 23:53:02 -0400

Anyone maintaining or repairing industrial equipment that relies on the DF-F800 series will want this on hand, since matching the exact part number saves you the guesswork of finding a compatible substitute. Newegg carries it if you need a dependable source for this specific power supply. Buy Now at Newegg

Features

Model: 3276255-A

Powerup 280W Desktop Power Supply for OptiPlex 360/380 for $136

Mon, 24 Aug 2026 23:52:38 -0400

Anyone repairing or upgrading an older Dell OptiPlex 360 or 380 desktop will want a direct-fit replacement like this on hand, since sourcing the correct wattage and connector layout for these specific models can be trickier than buying a generic PSU. Buy Now at Newegg

Features

280W power output
Compatible with OptiPlex 360, 380
Model: L280P-01

HP Pavilion HPE Elite h8 1440T Desktop Power Supply Replacement for $79

Mon, 24 Aug 2026 23:52:35 -0400

Sudden desktop shutdowns or a failure to power on at all usually point to a dying supply, and this replacement is built specifically for the HP Pavilion HPE Elite h8 1440T, so you won't be stuck guessing about compatibility. Buy Now at Newegg

Features

Replacement power supply for HP Pavilion HPE Elite h8
Compatible with HP Pavilion HPE Elite h8 1440T
Includes one dedicated cooling fan
Lightweight 2.5lb design

HP ProDesk 180W Power Supply for $85.20

Mon, 24 Aug 2026 23:52:28 -0400

The 180W power supply is built for HP ProDesk small form factor towers, so it's a straightforward pick if your original unit died and you need a compatible replacement rather than a universal fit. Newegg carries it for owners who'd rather swap in an exact match than troubleshoot power issues with a generic unit. Buy Now at Newegg

Features

180W power output
Compatible with G3 G4 ProDesk series
Tested for reliable performance
Model: 913149-001

DPS-550AB-11A 550W Power Supply for $347.50

Mon, 24 Aug 2026 23:52:17 -0400

Newegg's DPS-550AB-11A suits anyone building or repairing a desktop that needs a reliable 550W supply without paying for wattage you'll never use. Buy Now at Newegg

Features

550W power output
Compatible with NF5280M6, M5, M4 motherboards
Model: DPS-550AB-11A

Dell PS4100 PS6100 SC200 SC220 H700E-S0 DD20N Storage Power Supply for $198

Mon, 24 Aug 2026 23:52:06 -0400

Anyone maintaining Dell PowerVault storage arrays will want a reliable spare on hand, and this power supply covers several compatible models so you're not stuck hunting for the exact match during a failure. Buy Now at Newegg

Features

Compatible with Dell PS4100 PS6100 SC200 SC220 storage systems
Model: H700E-S0

HP 350W Micro ATX Power Supply for ML310E Gen8 for $119

Mon, 24 Aug 2026 23:51:59 -0400

Anyone running an HP ML310E Gen8 server and needing a direct replacement part will appreciate this power supply, since it's built to the server's exact specs rather than a generic swap. Buy Now at Newegg

Features

350W power output
Micro ATX form factor
Multi-output fixed power design
Compatible with ML310e Gen8
Model: 686761-001

Poinwer 255W Power Supply for Dell Optiplex and Precision SFF Systems for $50

Mon, 24 Aug 2026 23:51:07 -0400

Anyone maintaining older Dell Optiplex or Precision small form factor desktops will want this on hand, since finding a compatible replacement power supply for those specific case dimensions can otherwise be a hassle. Newegg carries it as a straightforward, purpose-built swap rather than a universal unit you'd need to modify. Buy Now at Newegg

Features

255W power output for Dell Small Form Factor systems
Compatible with Optiplex 3020, 7020, 9020 and Precision T1700
Includes R7PPW, 3XRJ0, V9MVK, FP16X, T4GWM part compatibility
Supports multiple industry standard power supply part numbers
Model: NT1XP

Dell PowerEdge C6100 C6220 1,200W Switching Power Supply for $246

Mon, 24 Aug 2026 23:50:06 -0400

Anyone maintaining a Dell PowerEdge C6100 or C6220 server rack needs a reliable replacement power supply on hand, and this 1,200W unit matches the original specs without the wait for OEM parts. Buy Now at Newegg

Features

1200W power capacity
Switching power supply architecture
Model: PS-2112-5D

Advantech P1U-6150P 150W 1U Power Supply for $405

Mon, 24 Aug 2026 23:49:54 -0400

Server rack builders needing reliable, compact power will find this 150W 1U supply suits industrial or embedded systems where space is tight and consistent output matters. Buy Now at Newegg

Features

150W power output
1U form factor
Model: P1U-6150P

DL320G4 Server Power Supply 394982-001 for $243

Mon, 24 Aug 2026 23:49:25 -0400

Anyone maintaining or repairing an HP DL320 G4 server will want this on hand, since matching the original part number ensures proper fit and compatibility without guesswork. Buy Now at Newegg

Features

Compatible with DL320G4 servers
745W power output capacity
RoHS compliant construction
Model: 394982-001

Dell 350W Tower Power Supply Unit for $115

Mon, 24 Aug 2026 23:49:18 -0400

Anyone building or repairing a Dell tower rather than buying a whole new one will want this on hand, since a proprietary PSU like this needs to match your exact model to fit and connect properly. Buy Now at Newegg

Features

350W power supply output
Compatible with XPS 8910 8500 8700 8920
Model: 15D8R L350AM-00

FSP270-60LE 270W Flex-ATX 1U Power Supply for $69

Mon, 24 Aug 2026 23:48:56 -0400

Anyone building a compact 1U server setup will want the space savings the Flex-ATX form factor provides without sacrificing the reliable power delivery a 270W supply gives you. Buy Now at Newegg

Features

270W Flex-ATX 1U power capacity
Supports 220v input power
Compatible with HTPC and NAS systems
Three month warranty included
Model: FSP270-60LE

XW6400 575W Workstation Power Supply for $232

Mon, 24 Aug 2026 23:48:43 -0400

Anyone running an older HP XW6400 workstation with a failing stock supply will want a direct-fit replacement like this rather than trying to jury-rig a standard ATX unit into a proprietary case. Buy Now at Newegg

Features

575W power output capacity
Compatible with XW6400 workstations
Model: 405349-001

380W PCK014 Power Supply for Lenovo M70s M70t M80s M80t M90s P340 P350 V50t-13IOB for $83

Mon, 24 Aug 2026 23:48:17 -0400

Anyone repairing or upgrading a compact Lenovo desktop like the M70s, M80t, or P340 will want a supply built to that exact spec, since these small-form-factor units don't accept standard ATX power supplies. Buy Now at Newegg

Features

380W power capacity
Compatible with ThinkCentre M70s M70t M80s M80t M90s
Compatible with ThinkStation P340 P350
Compatible with V50t-13IOB G2
Model: 5P50V03183

GW-CRPS800 800W Server Power Supply Unit for $370

Mon, 24 Aug 2026 23:47:48 -0400

Anyone running a home lab or server rack needs reliable power delivery, and this 800W unit gives you the headroom for multiple drives and high-draw components without tripping into overload territory. Buy Now at Newegg

Features

800W total power output
Model: GW-CRPS800

240W Power Supply for Pro 400 G9R SFF for $90

Mon, 24 Aug 2026 23:47:40 -0400

Anyone running a HP Pro 400 G9R SFF and dealing with a failing or underpowered stock supply will want a direct replacement like this rather than hunting for a compatible aftermarket unit. Buy Now at Newegg

Features

240W power capacity
Compatible with Pro 400 G9R SFF
Model: M76039-001

HP A1310y CTO Series Desktop Power Supply Replacement for $80

Mon, 24 Aug 2026 23:46:22 -0400

Anyone running an older HP A1310y desktop that's suddenly lost power or won't boot properly can rule out one common failure point with this direct replacement, since it's built to match the original spec without any modification. Buy Now at Newegg

Features

Compatible with HP A1310y, A1312n, A1314n, A1319h, A1320n, A1323w
Replacement power supply unit
Includes integrated cooling fan
Lightweight four-pound design
Grey color finish