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PC Power Supplies (1438)

Computer Components
Reliable Power for Every Build — from Budget Desktops to Rackmount Servers

Browse a comprehensive range of PC power supplies spanning ATX desktop units, redundant rack PSUs, and industrial DC modules. Trusted brands like Seasonic, be quiet!, Corsair, and Thermaltake sit alongside server-grade lines from HPE, Dell, and SilverStone — all with verified efficiency ratings and protection circuitry.

1,433 products173 brandsEntry → EnterpriseOfficial distributor

How to Choose the Right PC Power Supply

Wattage & Headroom
Add up your CPU and GPU TDPs, then choose a PSU rated 20–30 % above that total for stable, efficient operation and room to upgrade.
80 PLUS Certification
80 PLUS Bronze suits everyday PCs; Gold and Platinum cut electricity costs noticeably; Titanium is ideal for always-on workstations and servers.
Form Factor & Cabling
ATX fits most tower cases; SFX and SFX-L suit compact builds. Fully modular cabling reduces clutter and improves airflow in smaller chassis.
Protection & Redundancy
OVP, UVP, OCP, and SCP safeguard components. For servers and workstations, hot-plug redundant modules ensure zero-downtime power delivery.

What You'll Find in This Category

ATX PSUSFX / SFX-LRedundant server PSUHot-plug modulesDC power supplyRackmount PSUIndustrial PSUModular cabling80 PLUS Gold / Platinum

Leading PC Power Supply Brands

Seasonicbe quiet!CorsairThermaltakeCHIEFTECSilverStoneCooler MasterFSPDeepcoolASUSINTER-TECHZALMAN
Efficiency tip: A PSU operates most efficiently at 40–60 % load. Oversizing dramatically reduces waste heat and extends unit lifespan — particularly valuable in 24/7 server environments.

Frequently Asked Questions

How do I know what wattage PSU I need?
Total your CPU and GPU power draw (TDP figures from manufacturer specs), add ~100 W for other components, then pick a PSU rated at least 20 % above that sum. For example, a 300 W CPU + 350 W GPU system comfortably fits an 850 W unit.
What does 80 PLUS certification mean?
80 PLUS certifications (Bronze, Silver, Gold, Platinum, Titanium) guarantee the PSU converts at least 80 % of AC input into usable DC power at specified load levels. Higher tiers waste less electricity as heat and lower your electricity bill over time.
Is a modular PSU worth it?
Yes — modular and semi-modular units let you attach only the cables you need, reducing cable clutter, improving case airflow, and making builds and upgrades much cleaner. They are particularly beneficial in compact or show-build cases.
Do server power supplies work in a gaming PC?
Rackmount and redundant server PSUs use different connectors and form factors (typically 1U or 2U) and are not drop-in replacements for ATX desktop cases. They are designed for chassis with matching PSU bays.
Brand: DELL Stock: 2
When a Dell OptiPlex or Precision workstation fails to power on, the culprit is often a faulty power supply. The Dell 350W Power Supply (P7GV4) restor..
Brand Compat... Dell
R3,893
Ex Tax:R3,386
1 supplier Reward +R14
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Brand: DELL Stock: 4
Delivers 180W of stable power in a compact Small Form Factor design, engineered for Dell OptiPlex and Precision SFF systems. With 80 PLUS Bronze effic..
Certified Bronze
R1,950
Ex Tax:R1,696
1 supplier Reward +R6
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Brand: DELL Stock: 3
Power your Dell OptiPlex 3010 SFF, 7010 SFF, or 9010 SFF with this 240W Mini Tower power supply from Liteon. It delivers stable, efficient power for o..
Colour Black Certified Bronze Power 200-250 W
R2,405
Ex Tax:R2,091
1 supplier Reward +R8
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Brand: DELL Stock: 3
Small Form Factor power supply delivering 240W with Active PFC for stable and efficient power delivery to Dell OptiPlex and Vostro SFF systems. Engine..
Brand Compat... Dell
R1,864
Ex Tax:R1,621
1 supplier Reward +R6
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Brand: DELL Stock: 6
Keep your Dell OptiPlex small form factor desktop running with this 255W power supply. It's a direct replacement for the original unit in OptiPlex 301..
Brand Compat... Dell
R2,288
Ex Tax:R1,990
1 supplier Reward +R7
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Brand: DELL Stock: 2
The Dell CVJ4W is a proprietary 250-watt desktop power supply built by Lite-On, engineered specifically for Dell OptiPlex desktop and small form facto..
PSU Form Fac... ATX
R2,355
Ex Tax:R2,048
1 supplier Reward +R8
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Brand: DELL Stock: 2
Keep your Dell OptiPlex desktop running reliably with this 180-watt power supply. Designed for small form factor (SFF) and mini tower (MT) systems, it..
Colour Black PSU Form Fac... Flex ATX Modularity No Certified Bronze
R2,544
Ex Tax:R2,212
1 supplier Reward +R8
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Brand: DELL Stock: 3
For IT technicians and system integrators servicing Dell OptiPlex Small Form Factor desktops, this 240W power supply restores reliable operation to co..
Brand Compat... Dell
R2,150
Ex Tax:R1,869
1 supplier Reward +R7
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Brand: DELL Stock: 2
Small Form Factor power supply delivering 300W with 80 Plus Platinum efficiency for Dell OptiPlex SFF systems.AdvantagesActive PFC and 80 Plus Platinu..
Colour Black PSU Form Fac... ATX Modularity No Certified Platinum
R2,313
Ex Tax:R2,011
1 supplier Reward +R7
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Brand: LENOVO Stock: 3
This desktop PC power supply delivers 250 watts of continuous power with 80 PLUS Bronze efficiency, ensuring reliable operation for compatible Lenovo ..
Modularity No Certified Bronze Power 200-250 W
R2,014
Ex Tax:R1,751
1 supplier Reward +R7
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Brand: DELL Stock: 8
Deliver 240 W of stable power with 80 Plus Bronze efficiency in a compact Small Form Factor design, built for Dell OptiPlex 3020, 7020, 9020, and XE2 ..
Certified Bronze
R1,484
Ex Tax:R1,290
1 supplier Reward +R4
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Brand: HYPERX Stock: 12
Delivering 250 watts with 92% efficiency, this HyperX Elite power supply is engineered for high-voltage desktop systems that demand stable, energy-con..
R2,662
Ex Tax:R2,315
1 supplier Reward +R9
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Brand: HYPERX Stock: 56
This HyperX power supply delivers 250 W in a compact Small Form Factor design, achieving 92% efficiency at 50% load for reduced energy waste and lower..
Colour Black PSU Form Fac... Flex ATX Certified Platinum Power 200-250 W
R1,966
Ex Tax:R1,710
1 supplier Reward +R6
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Brand: DELL Stock: 2
When a Dell OptiPlex Small Form Factor desktop in a business or office environment stops powering on, this 135 W internal power supply unit is a direc..
Brand Compat... Dell
R1,832
Ex Tax:R1,593
1 supplier Reward +R6
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Brand: VIMCOM AG Stock: 2
Delivers 13.8V DC at up to 12A intermittent for Motorola mobile radios, from a 230V AC input.OverviewThe VIMCOM Alfatronix AD MT-3100/DM is a desktop ..
Colour Black Modularity No Certified Standard
R6,546
Ex Tax:R5,693
1 supplier Reward +R24
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Brand: MONTECH Stock: 100
The MONTECH CENTURY II 750 is a fully modular ATX power supply delivering 750 watts with 80 PLUS Gold efficiency. It features a 12VHPWR connector for ..
Colour Silver PSU Form Fac... ATX Certified Silver
R2,008
Ex Tax:R1,746
2 suppliers Reward +R6
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Brand: STAEDTLER Stock: 2
What sets these finger paints apart is the combination of a beloved Peppa Pig theme with a formula that is dermatologically tested, paraben-free, and ..
Colour Multicolour
R520
Ex Tax:R452
1 supplier Reward +R1
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Brand: WEDO Stock: 59
With 1,000 bright galvanized steel paperclips per box, this WEDO pack keeps your office, school, or home desk stocked for everyday document fastening...
Colour Silver Certified Standard
R393
Ex Tax:R341
1 supplier Reward +R1
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Brand: VOLTCRAFT Stock: 7
Deliver up to 900 W of clean, precisely controlled DC power with the VOLTCRAFT DPPS-60-15. This switching-mode laboratory power supply offers an adjus..
Colour Black Power 900-950 W
R12,951
Ex Tax:R11,262
1 supplier Reward +R50
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Brand: ROTH Stock: 8
Make the first day of school unforgettable with the ROTH Robo Dragon School Cone. This eye-catching cone is perfect for children who love robots and d..
Colour Multicolour Certified Silver
R740
Ex Tax:R644
1 supplier Reward +R2
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Brand: RICOH Stock: 8
This Ricoh master roll is the dedicated consumable for Priport DX2330 and DX2430 digital duplicators, delivering clean stencil imaging and consistent ..
Colour White
R881
Ex Tax:R766
1 supplier Reward +R2
Add to Cart
Brand: OCYPUS Stock: 52
Delivering 1000 watts of continuous power with 80 PLUS Gold efficiency, the OCYPUS Iota P1000 is built for high-performance gaming rigs and workstatio..
Colour Black PSU Form Fac... ATX Modularity Full Certified Gold
R2,791
Ex Tax:R2,427
3 suppliers Reward +R9
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Brand: OCYPUS Stock: 52
The OCYPUS Iota P750 stands out with its ATX 3.0 compliance and native 12VHPWR connector, delivering 600W to modern GPUs without adapters. Its fully m..
Colour Black PSU Form Fac... ATX Modularity Full Certified Gold
R2,307
Ex Tax:R2,006
3 suppliers Reward +R7
Add to Cart
Brand: OCYPUS Stock: 32
Power-hungry systems demand a reliable and efficient power supply, and the OCYPUS Iota P1000 delivers 1000 watts of clean, stable power for high-end g..
Colour White PSU Form Fac... ATX Modularity Full Certified Gold
R2,741
Ex Tax:R2,383
3 suppliers Reward +R9
Add to Cart
Brand: OCYPUS Stock: 52
Power users building a high-end gaming rig or workstation can rely on the OCYPUS Iota P1200 to deliver clean, stable power to demanding components. Wi..
Colour Black PSU Form Fac... ATX Modularity Full Certified Gold
R2,882
Ex Tax:R2,506
3 suppliers Reward +R10
Add to Cart
Brand: M.RED Stock: 20
Power a high-end gaming rig or workstation with the M.RED MRG-750G, a 750-watt ATX power supply built for systems that demand stable, efficient power...
Colour Black PSU Form Fac... ATX Modularity No Certified Gold
R1,733
Ex Tax:R1,507
2 suppliers Reward +R5
Add to Cart
Brand: M.RED Stock: 29
High-end gaming PCs and workstations with next-generation graphics cards demand clean, stable power and native 12VHPWR support. The M.RED MRR-1050AG V..
Colour Black PSU Form Fac... ATX Modularity Full Certified Gold
R2,353
Ex Tax:R2,046
2 suppliers Reward +R8
Add to Cart
Brand: M.RED Stock: 25
For system builders assembling a dependable office PC or a budget gaming rig, the M.RED DU-550B delivers 550 watts of continuous power with 80 PLUS Br..
Colour Black PSU Form Fac... ATX Modularity No Certified Bronze
R1,439
Ex Tax:R1,251
2 suppliers Reward +R4
Add to Cart
Brand: OCYPUS Stock: 52
Modern high-end graphics cards demand stable, efficient power delivery, and the OCYPUS Iota P850 White answers with 850 watts of 80 PLUS Gold certifie..
Colour White PSU Form Fac... ATX Certified Gold
R2,478
Ex Tax:R2,155
3 suppliers Reward +R8
Add to Cart
Brand: M.RED Stock: 18
Power your high-end gaming rig or workstation with the M.RED MRR-850A VP2W, an 850-watt fully modular power supply built for ATX 3.0 systems. With 80 ..
Colour Black PSU Form Fac... ATX Modularity Full Certified Gold
R1,884
Ex Tax:R1,638
2 suppliers Reward +R6
Add to Cart
Brand: M.RED Stock: 17
High-end gaming rigs and workstations with multiple GPUs demand a power supply that delivers clean, stable power without throttling under load. The M...
Colour Black PSU Form Fac... ATX Modularity Full Certified Platinum
R2,780
Ex Tax:R2,418
2 suppliers Reward +R9
Add to Cart
Brand: ZALMAN TECH Stock: 30
The ZALMAN TECH GigaMax III ZM850-GV3 is an 850W ATX power supply delivering reliable, efficient power with 80 PLUS Bronze certification. Its non-modu..
Colour White PSU Form Fac... ATX Certified Bronze
R1,752
Ex Tax:R1,524
2 suppliers Reward +R5
Add to Cart
Brand: OCYPUS Stock: 32
For high-end PC builders and overclockers, the OCYPUS Iota P1200 White delivers 1200 watts of clean, stable power with an 80 PLUS Gold efficiency rati..
Colour White PSU Form Fac... ATX Modularity Full Certified Gold
R3,020
Ex Tax:R2,626
3 suppliers Reward +R10
Add to Cart
Brand: OCYPUS Stock: 99
For system builders assembling a high-performance gaming rig or workstation, the OCYPUS Iota P850 delivers 850 watts of stable power with an 80 PLUS G..
Colour Black PSU Form Fac... ATX Modularity Full Certified Gold
R2,394
Ex Tax:R2,082
3 suppliers Reward +R8
Add to Cart
Brand: GOSSEN Stock: 2
Industrial automation engineers and system integrators deploy the GOSSEN IZYTRONIQ BUSINESS Advanced S102V in harsh factory environments where reliabl..
Colour Black Modularity No Certified Standard Power 200-250 W
R12,977
Ex Tax:R11,285
1 supplier Reward +R51
Add to Cart
Brand: DELL Stock: 4
When a Dell OptiPlex or Precision workstation shuts down unexpectedly or refuses to boot, the culprit is often a failing power supply. The Dell 500W 8..
Certified Platinum
R3,380
Ex Tax:R2,939
1 supplier Reward +R12
Add to Cart
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