Will this PSU power my system?

Guest · Jan 20, 2014

Hey im building a gaming rig however I am unsure about what power supply I need, my current specs are:
-i7 3770 3.5GHz
-8gb G-Skill Ripjaw's
-ASrock Z77E Mini itx
-Sapphire Radeon R9 270x
-1tb hdd
Will an Antec 450w be enough? If not what do you reccomend?

Foldalot · Jan 20, 2014

You can run that system with Antec 450W as long as you don't overclock, but I think it's best if you get +550W PSU.

If you are on a budget, this will be good enough http://www.newegg.com/Product/Product.aspx?Item=N82E16817139048&clickid=wYA0lE0IyTSy148QHAzGwTh8UkT3Q23lVxciSE0&iradid=97618&ircid=2106&irpid=79301&nm_mc=AFC-IR&cm_mmc=AFC-IR-_-na-_-na-_-na (600W)

Otherwise, you can go with http://www.amazon.com/dp/B006TVQTFE/?tag=pcpapi-20 (620W)

varun_02 · Jan 20, 2014

Go with a 550 power supply.
You cant overclock as you dont have a overclockable version of the cpu.
Get a 550 as it will give you some headroom for future.

varun_02 · Jan 20, 2014

Go for corsair ,seasonic or xfx.
And get one with a 80 plus certification.

rhysiam · Jan 20, 2014

I think you're fine on a 450W Antec, even with VC OC. As Varun pointed out, you can't OC that 3770 (unless it's a K version) and you can't "expand", as it's a mini ITX board... there's not a lot you can really add to the system.
http://www.anandtech.com/show/7503/the-amd-radeon-r9-270x-270-review-feat-asus-his/16 - the 270X under Furmark (way more than you'll ever draw under "normal" gaming), whole system only pulled 284W, and that was an OC'd 6Core CPU, and measured at the wall (PSUs always waste a bit of power themselves).
I'd run that system on a Corsair 430 personally.

Foldalot · Jan 20, 2014

Yeah, I should've corrected myself earlier. Didn't see that it wasn't the k-version of 3770, so if he already has that Antec PSU, he'll be ok with it. However, if he's considering to buy it, then IMO he should get at least 550W for better efficiency and future upgrades.

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