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  ComX Computers - since 2002 • home » computer hardware Tue 11 Nov, 2025View enquiry cart
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Power supply unit / PC PSU

Power supply unit / PC PSU. Computer hardware South Africa

Prices displayed on our site are a reference and are subject to change without notice, quotation prices are final, subject to stock availability. All transactions are subject to our terms of sale. E&OE.
 
There are 211 products in Power supply unit / PC PSU
Displaying products 1 - 15 of 211 products

SATAPSU

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M-Link 450W Power Supply with SATA Connectors

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R 263.00
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A94045-S

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Astrum PS450, Power Supply, POWER SUPPLY 230W 20+4PIN I / O 220V ATX

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SATAPSU-BK

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Mlink 450W ATX Power Supply unit - Matt Black

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R 331.00
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VOLTRON250BRONZESBLK

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Armaggeddon Voltron 250 Black 250W Bronze S Power Supply

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R 435.00
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VOLTRON250BRONZESWHT

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Armaggeddon Voltron White 250 Bronze S Power Supply. 250W; 80+ Bronze; 12V@16A; 120mm fan; dual voltage 115 / 230V

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ATOM V350

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Antec Atom V350 Non-Modular Power Supply

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R 454.00
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PSU400

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Unique 400 Watt Power Supply unit - OEM, 1x 20 + 4 pin main connector, 1x P4 4 pin 12V connectors, 3x 4 pin molex Peripheral connectors, 3x SATA connectors, 1x floppy Drive connector

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ATOM V450

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Antec Atom V450 450W Non-Modular Power Supply: 450W Output, CircuitShield(TM) protections (OPP / OVP / UVP / SCP), 120mm silent fan, Thermal Manager for optimal heat and noise management, Non-modular design, Input: 230Vac, 4A, 47-63Hz, Output: +3.3V / 16A, +5V / 15A

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R 491.00
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IP-S300EQ3-2

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Unbranded 300W 85 Plus Energy Star 5.0 Universal ATX EPS2.31 (SABS)

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PS-A450AV

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Antec Atom V450 450W Non-Modular Power Supply: 450W Output, CircuitShield(TM) protections (OPP / OVP / UVP / SCP), 120mm silent fan, Thermal Manager for optimal heat and noise management, Non-modular design, Input: 230Vac, 4A, 47-63Hz, Output: +3.3V / 16A, +5V / 15A

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IP-S300EQ3-2

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Mecer 300W 85 Plus Energy Star 5.0 Universal ATX EPS2.31 (SABS)

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PSU500

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Unique 500 Watt Power Supply unit - OEM, 1x 20 + 4 pin main connector, 1x P4 4 pin 12V connectors, 3x 4 pin molex Peripheral connectors, 3x SATA connectors, 1x floppy Drive connector

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CP4000

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HuntKey CP400W 400W ATX Power Supply with 12cm fan, 4+4 pin CPU connector, (6+2) pin PCI-e connector, 3 SATA / 3 HDD / 1 FDD Hard Disk Interface

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PS-CAT400

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CFi AT Power Supply 400W - for CFi duplicator or old PC, Not for newer PC's

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VXPLUS-PW-500

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Aerocool VX Plus 500W ATX12V ver 2.3 Power Supply unit, 1x 24 pin Motherboard, 1x 4+4 pin 12V CPU 1x 6+2 pin VGA, 3x SATA, 3x PATA, 1x FDD

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More information about Power supply unit / PC PSU


This category consists of 15 pages. You can navigate through the pages by clicking the page number, or by clicking NEXT / PREVIOUS.

The following brands are currently available for "power supply unit / pc psu". You can select to display only a specific brand for the category "power supply unit / pc psu" by selecting the brand's icon at the top of this page.
  • Aerocool
  • ANTEC
  • Armaggeddon
  • Astrum
  • Asus
  • CFi
  • Coolermaster
  • Corsair
  • FSP
  • Gigabyte
  • HuntKey
  • In Win
  • Mecer
  • Microworld
  • Mlink
  • MSI
  • Rogueware
  • Thermaltake
  • Unbranded
  • Unique

Computer Power Supply Units (PSUs)

A computer power supply unit (PSU) converts mains AC into low-voltage regulated DC power for the internal components of a PC. At ComX Computers South Africa, you can find ATX, micro-ATX and mini-ITX power supplies designed to support gaming systems, office desktops and professional workstations.

Types of Computer Power Supplies

  • Standard ATX PSUs: The most common size, compatible with full tower and mid tower ATX cases.
  • Micro-ATX PSUs: Slightly smaller units suited for compact micro-ATX builds.
  • Mini-ITX PSUs: Ultra-compact supplies for mini-PCs, HTPCs and space-saving systems.
  • Modular PSUs: Cables can be attached only when needed for cleaner builds and improved airflow.
  • Semi-modular PSUs: A balance between affordability and cable management flexibility.
  • Non-modular PSUs: Fixed cables, offering reliable budget-friendly performance.

Key Features to Consider

  • Wattage: Choose from entry-level 400W units for office PCs to 1000W+ models for high-end gaming rigs.
  • Efficiency ratings: Look for 80 Plus Bronze, Silver, Gold or Platinum certification for energy savings and reliability.
  • Cooling: Large, quiet fans or 0dB semi-passive cooling ensure silent performance.
  • Connectors: Support for GPUs, SSDs, HDDs and modern motherboards with 24-pin, 8-pin and PCIe connectors.
  • Safety features: Built-in surge protection, over-voltage and thermal safeguards for component security.

Who Needs These PSUs?

Gamers need high-wattage, efficient power supplies to support graphics cards and cooling systems. Office and home users benefit from reliable mid-range PSUs for everyday workloads. Professionals building workstations should select modular or semi-modular units for tidy cable management and stable performance.  

Shop Power Supplies in South Africa

ComX Computers stocks a wide variety of ATX, micro-ATX and mini-ITX power supplies suitable for all types of PC builds. Whether you are upgrading an existing desktop or assembling a custom gaming rig, you’ll find high-quality PSUs that deliver reliable performance and excellent value.

Get the right computer power supply unit today from ComX Computers and power up your PC build with confidence.

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