I have read countless forums (including this one!) and reviews looking for a psu for my mini-itx build for about two days now.

I have settled for all power hungry hardware(still have psu, SSD and case to decide). My problem is that I am not sure about initial power demand.

I think I am pretty close to what the rig will draw. It will be somewhere along those numbers.

Hardware:

Asus H87I-Plus (30 W)

I3 4330 (54 W) + box fan (? W)

4 WD RED 3 TB (16.5 W)

SSD (3 W)

2x4GB G.Skil F3-12800CL9D-8GBRL (4 W)

Case fan (? W)

This adds up to around 120 watts.

I could be wrong here, though. Most of the wattage is my estimations, based on many different forums.

So my question to you is if you think either a picoPSU (150 or 160) or maybe even

electrodacus's 130W PSU would be enough to take me trough the start up peak? If I got the numbers right, which I hope you can correct if they are off. I have used a number of different PSU calculators, but they all seem to count way too high. Or I am doing it wrong...

This will run either win7, 8 or win server x, possibly WHS.

Also my final question will be about the number of drives I intend to connect, all in all 5 of them (6 is max on the board). I get that I have to use splitter cables to either of above mentioned PSU's. But how many drives can I add before I am using too much power on one cable?

Any help will be greatly appreciated!

Thanks in advance!

Regards,

Richard