Best Computer Power Supplies for Sale in South Africa
Power supplies for sale in South Africa, play a decisive role in keeping modern computers reliable and efficient. The job of a unit is simple yet vital, taking unsteady electricity and delivering a consistent current that allows sensitive components to operate safely.
Choosing the best Power supplies often depends on your intended workload, whether gaming, office productivity, or content creation, because each requires different levels of wattage and stability. Efficiency is also a key factor, since it influences both performance and energy bills in the long term.
Buyers should evaluate safety protections, warranty coverage, and certification before making a purchase. For many, the simplest way to compare brands and specifications is to purchase Power supplies online.
Read on for a review of the main features, pros and cons and answer some common questions about Computer Power Supplies.
If you like our selection of Computer Power Supplies, you might also like to learn more about our selection of the best Squash Shoes or Golf Equipment available for sale online.
Our Picks of Computer Power Supplies for Sale
- MSI MAG650W Bronze Rated 80+ ATX PSU
- Astrum PS450 Desktop Switching Power Supply
- Matrix 450W Power Supply Unit
- Trendtech Digital Power Supply
- MSI MAG A650BN Power Supply
- Corsair CX Series Power Supply
MSI MAG650W Bronze Rated 80+ ATX PSU
The MSI MAG650W Bronze Rated 80+ ATX PSU is for users who want a dependable entry point into reliable power delivery.
It carries certification for energy efficiency, a stable single 12V rail, and protective features that safeguard connected components. The cooling fan is practical, with an approach that prioritises stability rather than aesthetics.
- ATX form factor.
- 80 PLUS Bronze efficiency certification.
- Maximum output of 650W.
- Single 12V rail design.
- Active power factor correction.
- DC to DC circuit design.
- Protection against overcurrent, overvoltage, overpower, overtemperature, and short circuit.
- 120mm sleeve bearing cooling fan.
- Efficiency up to 85%.
- Backed by a 5-year limited warranty.
Should I Buy the MSI MAG650W?
Buy it if you want a dependable entry-level power supply with efficiency certification, protection features, and warranty support. Don’t buy it if you plan on heavy overclocking or require modular cabling.
Frequently Asked Questions
Yes, the MSI MAG650W Bronze Rated 80+ ATX PSU supports graphics cards within its rated power capacity.
The MSI MAG650W Bronze Rated 80+ ATX PSU delivers up to 85% efficiency under typical loads.
The MSI MAG650W uses a 120mm sleeve bearing fan.
- Pros
- Bronze 80+ efficiency
- Comprehensive protection features
- 5-year limited warranty
- Stable single 12V rail
- Cons
- Limited to entry-level systems
- Not modular cabling
Astrum PS450 Desktop Switching Power Supply
The Astrum PS450 is a compact desktop power supply offering compatibility with both Intel and AMD processors. It follows ATX 1.3 standards, making it usable across older and entry-level systems that need dependable power delivery.
With a smaller wattage capacity, it is best matched with less demanding configurations rather than high-performance gaming rigs.
- ATX 1.3 compliant.
- 230W power output.
- Supports Intel and AMD processors.
- 20+4 pin split design.
- Protection against overcurrent.
- Protection against overvoltage.
- Protection against overload.
- Protection against short circuit.
- Compact 15 x 8 x 14 cm dimensions.
- Backed by a 1-year limited warranty.
Should I Buy the Astrum PS450 Desktop Switching Power Supply?
Buy it if you need a basic power supply for an entry-level or office system, with compatibility across older motherboards and protections for safe daily use. Don’t buy it if you plan to build a gaming PC or workstation.
Frequently Asked Questions
The Astrum PS450 provides up to 230 watts of power.
Yes, the Astrum PS450 supports Intel processors.
Yes, the Astrum PS450 supports AMD processors.
- Pros
- Compatible with Intel and AMD
- ATX 1.3 standard compliance
- Safety protection features
- Compact and lightweight
- Cons
- Limited wattage output
- Limited 1-year warranty
Matrix 450W Power Supply Unit
The Matrix 450W Power Supply Unit is a straightforward option for everyday computing builds or upgrades.
With connectors that include SATA, Molex, and an 8-pin CPU, it supports both modern and older components. Its output of 450 watts is sufficient for basic configurations, though not targeted at heavy-duty systems.
- 450W maximum power output.
- ATX 12V specification support.
- Four SATA connectors for storage drives.
- Two IDE connectors for legacy components.
- 4/8 pin split CPU connector.
- 24-pin main connector.
- Standard IEC power input.
- Supports a wide range of motherboards.
- Durable metal construction.
- Suitable for both new builds and upgrades.
Should I Buy the Matrix 450W Power Supply Unit?
Buy it if you want a mid-range power supply for a desktop that uses both modern and legacy components, with enough capacity for office work or light gaming. Don’t buy it if you plan on running a high-powered graphics card or multiple demanding components.
Frequently Asked Questions
The Matrix 450W Power Supply Unit includes four SATA connectors.
Yes, the Matrix 450W Power Supply Unit provides IDE connectors for older devices.
No, the Matrix 450W Power Supply Unit does not include modular cables.
Trendtech Digital Power Supply
The Trendtech Digital Power Supply 450W is aimed at users who want a straightforward and dependable unit for standard desktop builds. With a maximum output of 450 watts and a 24-pin connector, it supports standard system requirements without pushing into enthusiast territory.
The design focuses on reliability, shown by its rated life expectancy and protection against unstable input.
- 450W maximum power output.
- 12V type support.
- Single cooling fan.
- 24-pin main connector.
- Hold-up time of 16ms at full load.
- Input voltage support of 115/230V.
- Input frequency range 40Hz–20kHz.
- Input current at 115V and 230V.
- Rated MTBF greater than 100,000 hours.
- ATX form factor compatibility.
Should I Buy the Trendtech Digital Power Supply?
Buy it if you want a reliable, no-fuss power supply for a standard desktop build, with long operational life and stable wattage suitable for everyday use. Don’t buy it if you need modular cable management or are planning a system with high power demands.
Frequently Asked Questions
The Trendtech Digital Power Supply includes one cooling fan.
The Trendtech Digital Power Supply supports 115V and 230V input.
Yes, the Trendtech Digital Power Supply has a hold-up time of 16ms at full load.
- Pros
- 450W power capacity
- Long MTBF rating
- 24-pin ATX compatibility
- Reliable hold-up time
- Cons
- Limited to one cooling fan
- No modular cabling
MSI MAG A650BN Power Supply
The MSI MAG A650BN Power Supply offers 650 watts of output for mainstream PC builds that demand stable delivery. With an 80 PLUS Bronze rating, it provides efficiency while keeping energy use in check.
A single 12V rail supports consistency under load, while protections cover common electrical risks. Its 120mm cooling fan maintains airflow across the unit.
- 650W maximum output.
- ATX form factor.
- 80 PLUS Bronze efficiency certification.
- Single 12V rail design.
- DC-to-DC circuit design.
- Active PFC design.
- 120mm plain bearing cooling fan.
- Protections include OVP, OCP, OPP, OTP, SCP.
- Non-modular cable configuration.
- Backed by a 5-year MSI limited warranty.
Should I Buy the MSI MAG A650BN Power Supply?
Buy it if you want a reliable 650W power supply for a mid-range gaming or productivity system, with energy efficiency and protection features included. Don’t buy it if you prefer modular cables or require very quiet cooling.
Frequently Asked Questions
The MSI MAG A650BN Power Supply uses a 120mm plain bearing cooling fan.
No, the MSI MAG A650BN Power Supply uses non-modular cables.
The MSI MAG A650BN Power Supply comes with a 5-year limited warranty.
- Pros
- 650W capacity for mid-range builds
- Bronze efficiency rating
- Multiple circuit protections
- 5-year limited warranty
- Cons
- Non-modular cables
- Fan may generate audible operation
Corsair CX Series Power Supply
The Corsair CX Series Power Supply is positioned for desktop users who need efficient performance and dependable output.
Rated at 550 watts, it offers enough capacity for mid-range systems while keeping energy costs lower with its 80 PLUS Bronze certification. A compact frame allows for easier installation across modern cases.
- 550W output capacity.
- ATX form factor.
- 80 PLUS Bronze efficiency rating up to 88%.
- Compact dimensions of 15 x 12.5 x 12.5 cm.
- Cooling through a 120mm fan.
- Black exterior finish.
- Consistent power delivery for desktops.
- Weighs 2.28 kilograms.
- Manufactured by Corsair Gaming, Inc.
- Backed by a 5-year warranty.
Should I Buy the Corsair CX Series Power Supply?
Buy it if you want a reliable 550W power supply with Bronze certification, a compact design, and extended warranty coverage for everyday systems. Don’t buy it if you need higher wattage for advanced gaming or prefer modular cables.
Frequently Asked Questions
Yes, the Corsair CX Series Power Supply is backed by a 5-year warranty.
The Corsair CX Series Power Supply uses a 120mm cooling fan.
No, the Corsair CX Series Power Supply uses non-modular cabling.
- Pros
- 80 PLUS Bronze efficiency
- Compact design fits most cases
- Reliable 5-year warranty
- Consistent power delivery
- Cons
- Limited to 550W output
- Non-modular cabling
Conclusion
The MSI MAG650W and MSI MAG A650BN Power Supply suit those who want higher wattage with Bronze efficiency and multi-layer protection. The Corsair CX Series Power Supply balances efficiency with a compact size, offering 550W for mainstream builds.
On the more budget-conscious end, the Astrum PS450 Desktop Switching Power Supply and Matrix 450W Power Supply Unit cater to lighter systems, while the Trendtech Digital Power Supply provides 450W with a long service rating.
Frequently Asked Questions
Are power supplies necessary for gaming PCs?
Yes, power supplies are critical for gaming PCs because they provide consistent power to graphics cards, processors, and other hardware.
Can power supplies improve energy efficiency?
Yes, power supplies with efficiency certifications reduce wasted energy and help lower electricity use.
Do all power supplies fit every PC case?
No, power supplies vary in size and form factor, making it essential to check compatibility with your case.
Are modular power supplies better than non-modular power supplies?
Yes, modular power supplies make cable management easier, while non-modular options can leave more cables inside the case.
Do power supplies affect system stability?
Yes, reliable power supplies prevent voltage drops and keep systems stable under load.
