Power Supplies

Reliable PC power

Power Supplies for Desktop PCs and System Upgrades

A reliable power supply helps provide stable power to your desktop PC components, including the motherboard, processor, drives and graphics card. Choosing the correct wattage, connectors and efficiency rating is important for safe and dependable performance.

Choosing the Right Power Supplies

Choose suitable wattage

Allow enough power for your processor, graphics card, drives and future upgrades.

Check the connectors

Make sure the PSU includes the motherboard, CPU, SATA and PCIe connectors your system needs.

Think about efficiency

Efficiency ratings can help reduce wasted energy and heat, especially in systems used throughout the working day.

Why Buy Power Supplies from Cartridge World?

Great value Practical choices for modern workspaces
Fast delivery Free tracked delivery over £25
Compatibility matters Check device details before ordering
Helpful support Ask us if you need guidance

Power Supplies FAQs

How many watts does my PC power supply need?

It depends on your components. Graphics cards and processors are usually the biggest power considerations.

Are all power supplies the same size?

No. Most desktop PCs use ATX power supplies, but smaller cases may need a different form factor.

What happens if my PSU is underpowered?

An underpowered PSU may cause instability, shutdowns or upgrade limitations.

Should I check graphics card power connectors?

Yes. Many graphics cards need specific PCIe power connectors from the PSU.

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