[SOLVED] How good (or bad) are those so called "Lite PSUs"?

Oct 28, 2017
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I've a Dell Optiplex pre-built Mini-Tower system and it has a relatively tiny 265W PSU. And since I'm looking forward to purchasing either a GTX950 or 960 (Asus Strix 2x Fans) this PSU has to go.

I'm on a REALLY tight budget so those fancy 1000W modular PSUs people love to talk and brag about are out of the equation!

Anyhow, I'm considering Thermaltake Lite Power 450, Cooler Master 500 Lite and lastly Corsair VS450; which I think is also 'Lite' considering its price but I'm not sure.

At any rate; I'm falling towards The Thermaltake as it's quite a bit cheaper than the rest and 450W should be more than enough For GTX960 which draws around ~125W at 100% load (According to Guru3D benchmark). And The 950 draws up to a maximum of 90W; in case I end up getting that instead.

So... Good idea or bad idea?