mini ITX Gaming Rig Build - power supply concerns

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dub-k-dub

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Dec 10, 2013
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I am building a fairly powerful ITX gaming/lab rig but I am concerned about the amount of power I am supplying to things. Is the Seasonic G-550 (80plus Gold) enough to power this rig as configured? If not, are the some better power supplies that will meet my needs (and fit in the case)

Here is the Rig:
Case - CoolMaster Elite 130
Mother Board - Asus Z87I-Deluxe
CPU - Intel i7 4770K
RAM - 2 x 8GB Crucial Sport
Graphics - ASUS GTX 780 DirectCUii OC 3GB
Storage - Intel 240 GB SSD - 530 series
Storage (if possible) - 3x 500GB Seagate 7200 - These are an old RAID 5 I'd like to move into the new case
Cooling : Cool Master Seidon 120M (liquid cooler)
PSU - Seasonic G-550 (80plus Gold)

Lastly, I have a CyberPower UPS which provides the simulated sine rather than pure sine power... The articles I am reading seem to have mixed opinions about the effectiveness/safety of simulated power to a PSU with Active PSU. Does anyone know more about the potential dangers of using this PFC with this config?

 
Solution
Rammy


The G-550 fulfils those requirements. I'd still go a bit higher to cover overclocking and whatnot.
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Rammy

Rammy

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Sep 3, 2012
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For that setup, 550W (especially a really great quality one like that) is definitely enough.
The potential issue comes with overclocking, as that can skew demands quite significantly so it might be wise to up the wattage to a 650W version to give yourself some breathing space. If you can afford the 650W version of the G-series, then go for it. If you want to save some money there are plenty of good options.

Oh, and you should be ok with 3 HDDs and an SSD I think (one in the ODD, one on the floor, one on the outside of the mounting bracket) but I'm sure you are aware that means no optical drive.


I'll be honest, I don't use a UPS and I've only really heard bits and pieces of info about simulated sine, so I'm really not the guy to try and answer that one. I understand it has potential issues due to the PFC trying to correct a wave that is a very different shape to it's design, and that simulated sine is a fairly cheap solution, but outside of that...sorry.
 
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