90W laptop adaptor OR Seasonic Bronze PSU for HTPC?
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I'm planning to build a low-power, value HTPC. I'm really undecided if I should go for an 80PLUS Bronze Seasonic PSU OR a laptop adapter from Cooler Master (Energy Star certified).
SETUP 1. I go for the laptop adapter. I'd have to choose a special Intel mini-itx mobo (DH61AG) which is pretty expensive. Mini-itx mobo + laptop adapter = very low power. Pico-PSUs are not available here in India.
SETUP 2. I go for Seasonic Bronze PSU. I get to choose a cheaper mini-itx mobo. Mini-itx mobo + Seasonic PSU = low power but a bit more than the above setup, far less expensive
I will be pairing the mobo with Sandybridge Pentium G620.
The big question is - is SETUP 1 really going to save me a SIGNIFICANT amount of power (in terms of watts) over SETUP 2? I mean...is it worth the higher cost? Or is it just a matter of 5-6 watts give or take?
I'm not too concerned about noise etc. Cost and low power are priority.