How much RAM does your PC actually need in 2026? A Windows and Mac expert weighs in

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ZDNET's key takeaways

• RAM allows computers to run fast and optimally.
• 16GB is now the standard for PCs and laptops.
• Heavy users may need more RAM. Know when to upgrade.

I used to struggle when shopping for a new computer -- there's a lot to keep in mind. Over time, I learned to narrow it down to what I call the "performance trifecta" -- three main components you should be mindful of: processor, storage drive, and RAM. A good processor is the brain of the computer, and a lot of local storage means you'll have plenty of room for all your files.

Also: RAM prices are ridiculous in 2026 - here's how my PC buying advice is changing this year

But what about memory? It's a component many people fully understand (I was certainly a ...