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

H1U-6200P 200W 1U Server Power Supply for $125

Sat, 01 Aug 2026 23:12:11 -0400

A 200W 1U form factor PSU suited for compact server builds or rack-mounted systems where space is tight and power requirements are modest. Buy Now at Newegg

Features

200W power output
1U compact server form factor
20+4-pin universal connector
Industrial and medical grade reliability
Model: H1U-6200P

FSP 120W 54V 2.22A Switching Power Supply for $72

Sat, 01 Aug 2026 23:11:45 -0400

A switching power supply at this wattage and voltage is typically used for network equipment, industrial hardware, or custom builds that require a stable 54V DC input, so it's a fairly specialized component rather than a general-purpose buy. Buy Now at Newegg

Features

54V 2.22A 120W power output
Designed for video POE power supply
Model: FSP120-AWAN3

Huawei 1,200W Power Supply for X6000 RH1288V2 and 2288V2 Servers for $215

Sat, 01 Aug 2026 23:11:42 -0400

Newegg has this 1,200W power supply listed as a direct replacement for Huawei X6000, RH1288V2, and RH2288V2 servers, so it's a straightforward option if you're maintaining or expanding one of those specific server models and need a compatible unit without sourcing through enterprise channels. Buy Now at Newegg

Features

1200W power capacity
Model: PS-2122-3H

Dell PowerEdge R320 R420 550W Power Supply for $130

Sat, 01 Aug 2026 23:11:35 -0400

A solid option if your PowerEdge R320 or R420 server needs a replacement PSU, since OEM-compatible power supplies for rack servers can be difficult to source at a reasonable price through standard retail channels. Buy Now at Newegg

Features

550W power output
Compatible with Dell R320 and R420 servers
Model: AC550E-S0
Genuine 4XX1H part number
Reliable high-capacity server power supply

1,400W 1U Redundant 80 Plus Gold Power Supply Unit for $213.70

Sat, 01 Aug 2026 23:11:33 -0400

A solid pick for server builders or workstation setups that need high-wattage redundant power in a 1U rack form factor, where downtime from a single PSU failure isn't an option. Buy Now at Newegg

Features

1400W power capacity
1U compact form factor
Redundant power design
80 Plus Gold efficiency
Model: PWS-1K41P-1R

280W Power Supply for Dell Optiplex 330 380 521 620 745 755 for $69

Sat, 01 Aug 2026 23:11:29 -0400

A direct replacement for older Dell Optiplex desktops that need a new power supply, and it covers a fairly wide range of models including the 330, 380, 521, 620, 745, and 755. Buy Now at Newegg

Features

280W total power capacity
Compatible with Dell 330 380 521 620 745 755
Replaces H280P-01 H280P-00 L280P-01 D280P-00 A280P-00
Reliable internal power supply unit
Model: RT490

DPS-280AB-4A 280W 1U Power Supply for $139

Sat, 01 Aug 2026 23:11:26 -0400

A solid option if you're replacing or upgrading the power supply in a 1U rackmount server build, where standard ATX units won't physically fit. Buy Now at Newegg

Features

Compatible with CWT POE 1U 7708N 7908N 7716N 7916N 7932N
Replacement for DPS-280AB-6C and DPS-280AB-M4 power supplies
Provides 280W power capacity
Designed for 1U server chassis form factors

500W 1U Flex Mini ITX Modular Power Supply for $114

Sat, 01 Aug 2026 23:11:17 -0400

A compact modular PSU designed for small form factor and 1U rackmount builds where space is the primary constraint — the modular cabling helps keep tight cases manageable. Buy Now at Newegg

Features

500W power output
Full modular cable design
Compact 1U form factor
80 Plus Gold efficiency
Compatible with ITX mini cases

800W Server Power Supply for $197

Sat, 01 Aug 2026 23:11:15 -0400

A solid option if you're building a home lab, NAS, or custom mining rig on a budget, since server PSUs are typically more efficient and durable than consumer units at the same wattage. Buy Now at Newegg

Features

800W power capacity
Model: 45W8841

FSP 500W 80 Plus Platinum Flex ITX Power Supply for $174

Sat, 01 Aug 2026 23:11:10 -0400

A Flex ATX form factor makes this power supply one of the few options available for slim or compact ITX builds where standard SFX and ATX units won't physically fit, and the 80 Plus Platinum rating means it runs efficiently enough to keep heat and noise down in tight enclosures. Buy Now at Newegg

Features

500W power output
80 Plus Platinum efficiency rating
Flex ITX 1U compact form factor
Optimized for NAS and small form factor builds
Model: DPS-500AB

Dell PowerEdge T300 490W Switching Power Supply for $166

Sat, 01 Aug 2026 23:11:05 -0400

A practical find for anyone maintaining or repairing an older Dell PowerEdge T300 tower server, where finding a compatible replacement PSU can be more trouble than it's worth. Buy Now at Newegg

Features

490W total power capacity
N490P-00 H490P-00 compatibility
Reliable switching power supply
Model: N490P-00

Gigabyte UD850GM 850W 80 Plus Gold Modular ATX Power Supply for $107

Sat, 01 Aug 2026 23:10:28 -0400

Modular cabling is the main reason to consider this over a non-modular unit — you only connect the cables your build actually needs, which keeps unused cables out of your case and makes cable management noticeably cleaner. The 80 Plus Gold rating means it runs efficiently enough that you won't be wasting much power as heat, which matters if your PC runs for long stretches. Buy Now at Newegg

Features

850W ATX 3.0 PCIe 5.0 power delivery
80 Plus Gold 90% efficiency
Fully modular cable design
High-durability Japanese capacitors
Model: GP-UD850GM PG5W

NZXT 1,200W 80 Plus Gold Fully Modular Power Supply for $150

Sat, 01 Aug 2026 23:09:54 -0400

A fully modular design means you only connect the cables your build actually needs, which keeps things tidy and improves airflow — useful for anyone doing a high-wattage build with a mid-to-high-end GPU where cable management matters. Buy Now at Newegg

Features

1200W ATX 3.1 power capacity
80 PLUS Gold energy efficiency
Fully modular cable management
135mm FDB cooling fan
Model: PA-2G2BB-US

2,500W 12V 2U Server Power Supply for Mining for $188

Sat, 01 Aug 2026 23:09:32 -0400

Designed for crypto mining rigs that need a high-wattage, rack-mountable power solution, this 2,500W unit runs on 12V and fits a standard 2U server form factor, which keeps your build organized if you're running multiple GPUs. Buy Now at Newegg

Features

2500W power capacity
12V 2U server form factor
10x 6Pin connectors
Silent cooling operation
Model: 2500W-2U

1,200W Power Supply for $169

Sat, 01 Aug 2026 23:09:31 -0400

A high-wattage PSU like this is aimed at enthusiasts running power-hungry builds, think dual GPUs, heavily overclocked CPUs, or workstation rigs that need headroom to spare. Buy Now at Newegg

Features

1200W power capacity
Model: PWS-1K23A-1R

1,800W PC Power Supply for Mining for $154

Sat, 01 Aug 2026 23:05:11 -0400

A high-wattage PSU like this is aimed at crypto miners running multiple GPUs in a single rig, where a standard consumer power supply would fall short on available power. At 1,800W, it can handle the sustained draw that multi-card mining setups typically demand. Buy Now at Newegg

Features

1800W power output
90% energy efficiency
Supports 10x 6-pin connectors
Compatible with BTC and ETH mining
Standard ATX form factor

OIAGLH FSP 400W 80Plus Bronze Power Supply for $235

Fri, 31 Jul 2026 23:08:30 -0400

A solid option if your PC build or repair needs a reliable 400W unit on a budget, as 80 Plus Bronze certification means it meets a baseline efficiency standard that keeps heat and energy waste reasonably low. Buy Now at Newegg

Features

400W switching power supply
80 Plus Bronze certified efficiency
Advantech and FSP compatible
Model: FSP400-60PFG

Bestec 250W Power Supply Replacement for HP ATX-1956f for $70

Fri, 31 Jul 2026 23:08:24 -0400

A straightforward swap for anyone whose HP desktop has died due to a failed power supply, since this is a direct replacement unit built to fit HP's ATX form factor without any modification. Buy Now at Newegg

Features

Model: PS3 ATX

Power Supply Unit for D10-320P2A D3201A0 PS-4321-9HA CFH0320AWWA for $88.50

Fri, 31 Jul 2026 23:08:17 -0400

Replacement power supplies for specific server or workstation models can be frustratingly hard to source, so if you're maintaining older hardware that uses the D10-320P2A, D3201A0, PS-4321-9HA, or CFH0320AWWA units, this gives you a direct compatibility match without guessing. Buy Now at Newegg

Features

Model: D10-320P2A
Universal power supply compatibility
Reliable 320W power output
Compatible with HP CFH0320AWWA
Standardized internal connector layout

Universal 240W Small Chassis Power Supply for $88.50

Fri, 31 Jul 2026 23:08:14 -0400

A straightforward upgrade option for older or compact desktop builds where the original PSU has failed and a direct replacement is needed without modifying the case. Buy Now at Newegg

Features

Model: HK340-71FP