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How can I check if my system needs more PSU power?

Fresh5 days ago
Mar 15, 2026247826 views
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Problem

i've just bought a new . Seems to be working fine, etc. BUT, when I turn the computer on, it sounds like .. hmm .. maybe the HD's try to spin up 3 times during POST. And POST always has some weird error .. but if I continue, then it's all fine. So i'm wondering if my PSU is not powerful enough to h…

Error Output

PSU = Antex True Blue 480W
CPU = Q8400 @ 2.66Ghz (stock, not OC'd)
Ram = DDR2 PC2-6500 2x2Gig (single channel :( stock, not OC'd).
Mobo: P5N-EM HDMI …

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1 Fix

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New Fix – Awaiting Verification

Fix for: How can I check if my system needs more PSU power?

Low Risk

Warning: A lot of the power calculators out there produce ridiculously overspec'ed PSU recommendations. If you want to be precise, you need to look up the max TDP watts of your CPU (one chart, another chart) your video card (one chart, another chart…

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