u/FreeFeedback857

I've built 12 PCs in the last 3 years. Every single time I see the same pattern: people buy a PSU that's 300W over what they actually need because some calculator said "9800X3D + 5080 = get a 1200W PSU."

That's not how it works. You're not going to hit max wattage simultaneously. Gaming? Maybe 65–70% load on GPU, CPU isn't pegged. Streaming? Split load. The "safe margin" industry standard is 20–30% headroom, not 50%.

What actually matters:

A quality 750W-850W PSU will comfortably run a 9800X3D + 5080 build. I've tested this. The i9-13900k + 4090 rig? Also 850W, zero issues. You're paying an extra $80-150 for wattage you'll literally never use.

What you SHOULD be spending that money on:

Better cooler. Better case airflow. One extra good monitor. A UPS (seriously, this changed my life one power flicker and my new build stays running).

The PSU industry benefits from people being scared. So does the component calculator industry. Don't fall for it. A quality 80+ Gold 850W is the sweet spot for basically any gaming build in 2026.

Anyone else done a build where the PSU was massively overkill? What'd you actually end up using?

let me just list what dropped in the last few days because i feel like i'm taking crazy pills

CVE-2026-41091 and CVE-2026-45498. both in Defender's Malware Protection Engine. both actively exploited in the wild. one local privilege escalation, one denial of service. patches are out but "actively exploited" means someone in your environment may have already had a bad Tuesday before you patched

Exchange spoofing vuln that lets attackers impersonate legitimate users. still unpatched as of today. microsoft's mitigation guidance is essentially "good luck"

YellowKey. a BitLocker bypass exploit. the thing that was supposed to protect you if someone walks out with a laptop. gone

oh and also 137 CVEs from regular Patch Tuesday including critical RCE in Windows DNS Client and Netlogon. you know, just the stuff that holds your entire environment together

i've been doing this for eleven years and i genuinely cannot remember a single week with this density of critical issues hitting simultaneously. we're talking endpoint protection, email infrastructure, full disk encryption, and core network services all in the same five day window

the Exchange one is what's keeping me up. unpatched with no timeline means you're doing compensating controls and hoping. in 2026. for Exchange. again

how is everyone prioritizing this week. and is anyone else's change management process completely collapsing under the volume right now