Is this power supply gonna be enough to run this rig? (READ)

Bad PSU - it doesn't even matter what wattage. Stick with Seasonic/XFX/Antec for a stress-free life

This PSU is not Haswell compatible, and is likely a bad quality as well. Stick to the above recommendation. ^^

Excellent PSU. Just disable C6/C7 power states in BIOS and you are good to go.

http://pcpartpicker.com/part/seasonic-power-supply-m12ii620bronze - best quality but the most expensive

http://pcpartpicker.com/part/evga-power-supply-100b10500kr - decent unit for the money

Its a great PSU but how are you going to buy it since its out of stock?

1) herrwizo ab) was referring to the Seasonic PSU you just posted above him.
2) Xigmatek is a crappy PSU - forget it - it may kill the system
3) both your Seasonic and my 2 PSUs are good - go with the one you can afford

All good choices:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151027
http://pcpartpicker.com/part/seasonic-power-supply-m12ii620bronze
http://pcpartpicker.com/part/evga-power-supply-100b10500kr

You needs 8 pin right?

People go after brand names without considering output they can give away
Yeah it's good to buy good brand one
But is is not must!
Your XIGMATEK is not a famous brand
But it has 30A x 2 12 v outputs
But other seasonic one have 18x 4 outputs
You needs about 90w for cpu and 75 for vga and about 15w for everything else connected in mobo
It means 180w eqals 15A from one rail
In other hand vga reqires 150w maximum from 8 pin and 75 w maximum from 6 pin

Seasonic one gives 18A maximum and you are on edge! And i didn't see any 8 pin connectors in that one!
Personally i prefer 22A+ ampear from one rail
So i don't recommend seasons 550w one
In power wise your first choice is good
But it's not that great when it comes to reputation!

Just check the output graph in psu
It has different outputs ampears it can give away
If you need psu with 8 pin connector
You should find one like that
I don't see any 8 pin in both psus
So it is a problem!
Don't use connectors when dealing with that much worthy gpu!
Don't you have any other choices other than this two?

It is clear you have no idea what you're talking about...
Have you actually tested a PSU without a PC? I have...
Do you really think that Xigmatek can output 30Ax2=60A of power??? I bet if i try to draw 40A it either shuts down or brings the primary rail under voltage safe zone while the 5v rail over safe zone. Have you done some cross-load testing or ripple test on ANY psu? What about 8pin? Seasonic PSUs over 500W all have them... and even if they dont the r9 280x has an adapter. I didn't even mention the lack of protection on no-brand PSUs like the xigmatek - Sometimes even the short-circuit protection is missing...
I'm not implying i did ripple tests as i don't have the necessary equipment but i did test loads of PSUs using cross load and testing for voltage drops as well as to see if various protections work.

Then you should know about what's happening if he connect adapter to different rails
I didn't say seasonic is bad or XIGMATEK is good
I also agree that seasonic brand is awesome
But the psu he selected wasn't sufficient for his work
Just read my answer again
I just said to get psu with better output
Coz if it is rated 18A and his rig asks 15A
It is not good
And fyi:
His rig consume 380W maximum
Eqals 33A maximum
So you already answered in your comment that XIGMATEK can give upto 40
Yeah i also don't recommend buying that low quality psu
But also i won't advice to buy that seasonic one
Because it's one rail is rated for 18A
Just imagine about the rail Which supplies the mobo and pci-e!
I don't know what u have done with psus
But i have experienced a lot with psus!
Prove me if I'm wrong

Hey bro 18Ax4 dosent mean it can give 72A
It's 550w psu
Let's assume all 550w goes for 12 v rail
Then
550/12=45A
And his all 4 rails have to devide that 45A
Let's assume he use all 4 rails
Then one rail only get 11.2A current eqals 134w
Even 8 pin alone requires 150w!
Just don't put others in trouble by saying things you don't know
I have no argument about seasonic is bad or less protected
Surely they have awesome psus!
But what if it cannot supply reqired current his pc ask?
Do you know what happens next?
Bang!!!
Yeah that's what happen if rig asks more power than one rail give!
Just stay silent if you don't know about what you are talking about!
Don't put others in trouble by saying things you don't know!

I'm not suggesting any brand here
Just buy a psu which have total rated Amperage over 50
And make sure it have 8 pin and 6 pin which you require
If it's not single rail
Make sure that one rail exceed 22A
Don't get deceived by power in watts
Always check that graph and see whether it is capable to supply what your rig asks
And I'm betting here with emdea!
Prove me if um wrong with your expertise knowledge about psus

^ I kind of agree with you masteranu.
I'm not a big fan of the adapters for gpu's - IMO any 500w+ should have a minimum 8 pin/6 pin.
You could use the first seasonic listed with an adapter but if they are physically split rails then you'd have to be careful with your cable selection.
I prefer big twin rails wherever possible - its always the safest configuration IMO.Its fsmn near impossible to connect anything wrongle then

Sorry my bad yes it does have 8 pin
But look at the total 12v output in it's chart
http://www.seasonicusa.com/s12plus.htm
It's 41A
In your case you have to use 3 rails
12'1 for motherbord,cpu and pci-e slot
It can ask maximum power of 180w in your rig
12'2 for 8 pin- can ask upto 150w
12'3 and 12'4 for 6 pins
Which you may only use one eqals 75W
So rail one and two uses about 13A-15A each and rail 3 uses 6 A from it
I'm saying here is that first two rails will run in stress with your card because those are rated for 18A maximum and you are taking 15A from it
Specifically with time this may cause psu to crash!
Why take risks in this stage??
I'm just saying to buy a psu with better output ratings
With your components
If it's single rail psu,go one with over 50A total 12v output
If dual rails- take one which have 30+A in one rail
If it has 4 rails-Make sure one rail can give 22A + from each rail for safety

Regarding the M12II it has only one rail not two - its a typo on the website but the PSU is actually single rail as its the same design as the s12II 620 which also says is has two rails but only has 1. The reason i know this is because i;ve tested most of Seasonic's S12II PSUs.

The biggest power hog on the OPs system is an r9 280x which i also own and tested. That card has 16pin 18pin and draws no more than 75w from the pcie slot. However its been proven that once a gpu gets aux power from the PSU the actual power draw from the slot decreases. So since i know the card draws about 250W in full load we can approximate the usage on connectors - ~50W from the slot/ 80W from 6pin and 120W from the 8ping - we have 4 rails here - 1 rail -> cpu / 1 rail -> 24pin(PCIe slot) -> 1 rail 6pin -> 1 rail 8pin. Highest draw will be on the 8pin and on the CPU but they both stay under 18Ax12v=216W.

Having said that its a bit of an unwanted hassle to have to have 4 rails on 550W unit so i couldn't imagine SeaSonic having 4 separate rails on a such a low wattage psu so i did some digging and here's what i've found:

"The fact that increased capacity only shows up as combined current on the +12V lines raises an interesting question: Just how separate are the four +12V lines. Some knowledgeable members of the SPCR forums have done some digging, and discovered that in reality there may only be one or two lines.

Lines are only "separate" insofar as they have separate current limiters on each line. The original source is often (but not always) the same.
The purpose of having multiple rails is to limit the total VA from one line to 240VA, which means a limit of 240VA ÷ 12V = 20A on each line.
The circuit board does not identify contact points for either +12V3 or +12V4.
One user has reportedly been able to draw as much as 30~40A from a single cable set, which should certainly have tripped a current limiter if the rails were actually as specified. We were able to perform a similar test on the Energy Plus. "

-quoted from silentpcreview.com


So it turns out its the exact same as with S12II series having a single rail rather than 2. In the future use logic when you see a reputable brand having 4 rails on a low wattage unit - clearly there's more to the story.