ZDNET's editorial team writes on behalf of you, our reader. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. If we have made an error or published misleading information, we will correct or clarify the article. If you see inaccuracies in our content, please report the mistake via this form.

I used to struggle when shopping for a new computer -- there's a lot to consider. 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

Then there's memory -- a component widely discussed but often misunderstood. Think of RAM (Random Access Memory) as your computer's short-term memory. Instead of pulling everything from your permanent storage (like an SSD), your system parks active files in the RAM for instant access, which keeps everything running fast. Naturally, more gigabytes (GB) means more room to multitask.