Is it possible to CF 2 R9 390s with these components?

AntiCreative · Dec 3, 2015

Hey guys, I'm making my first computer build and I was wondering if my soon-to-be-purchased components would be ideal for my plan!

I'm thinking of getting a skylake
i5-6500 with a B150M motherboard.
Nothing to bad about that right? I was wondering if I could CF 2 Sapphire Nitro R9 390s with a 1000W power supply that's 80+ bronze that's at a really good price right now http://m.newegg.com/Product/index?itemnumber=N82E16817182188

I was thinking of getting the first 390 now and save up for the other one when the time is right, my question I guess would be is it possible to CF and would there be any issues including bottlenecking. I'm more concerned about the motherboard because I just imagine it being let's say, "crappy" compared to a z170 which I would be more comfortable with but is almost double the price!

jollypirate · Dec 3, 2015

If its support crossfire than you shouldnt really have a problem. Can you specify which motheboard you plan to get?
You could go with a haswell build (i5 4690k) and get a z97 motherboard which are dropping prices

I cant open the psu link you provided

drtweak · Dec 3, 2015

yea that should be enough power but idk about using rosewill for that. They are a good low end PSU but idk i wouldn't use them for high end stuff

AntiCreative · Dec 3, 2015

Sorry it was the mobile link try this one instead: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182188&FM=1

RobCrezz · Dec 3, 2015

Rosewill PSUs are fairly good as far as i know.

jollypirate · Dec 3, 2015

It has good reviews and ops power draw will be around 780w so it wont be stressing it too much
If you arent sure you can take a look at this one https://pcpartpicker.com/part/xfx-power-supply-p11050befx cfc makes good psus, they are manufactured by seasonic

AntiCreative · Dec 3, 2015

Wow that's an awesome deal for $100! What mid-tier motherboard would be good that's has one 16x and 8x though? Let's not focus to much on the psu please haha

drtweak · Dec 3, 2015

If you want more than 16 lanes you need to upgrade to a 2011 socket then. Otherwise having 8 lanes of Gen 3 will be fine still. that or find a board that has a PLX multipier on it to give you more lanes but the thing is the backbone will still only be 16 Lanes max even though a PLX multiplier can give you up to 32 in some cases. As the PCIe Gen and bandwidth has gone up the need for them isn't as much so because Gen 3 has so much bandwidth even at 8 lanes.

AntiCreative · Dec 4, 2015

Would a z97-a motherboard be alright? There's one used in newegg for $100 and it's really tempting specially with 2 PCI x16
And I'll possibly go with a 4690k instead of a 6500 because I think the OC will benefit the CF a lot more than a locked 6500.

jollypirate · Dec 4, 2015

Yeh an oced 4690k will beat a 6500 (it might even be better not oc-ed) Can you post the link for the motherbaord?

AntiCreative · Dec 4, 2015

http://www.newegg.com/Product/Product.aspx?Item=N82E16813132118R&FM=1

Ad in the specs where it talks about, "memory standard" it has the words OC and the little stars * next to 1866 which is what I'm planning to get but I don't know what it means by OC ram and wth the little * is it somethings to worry about?

jollypirate · Dec 5, 2015

You can get a new asrock z97 extreme 4 motherboard new for the same price. Both of these boards have quite a lot of bad 1egg reviews on newegg, but i did some reaserch on the asrock one before i bought it for myself and the the reason it died t a lot of people is that they had a batch with a bad batteries made back in the first half of 2014.
There is no need to worry about ram compatibilty for any of these boards.
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157503&cm_re=asrock_z97_extreme_4-_-13-157-503-_-Product

AntiCreative · Dec 5, 2015

Wow the z97 extreme 4 has 3 pci x16! (Not that I'll need it) but just out of curiosity, 3 x16 means you can put 3 graphics cards right? And thanks for all the help jolly and everybody else! I think I'm going to buy the z97 extreme 4

jollypirate · Dec 5, 2015

Thats noit exactly how it works. You cpu has 16pcie lanes that it can use to supply data to pcie devices.so it dosent matter which motherboard you have you will still have 16x lanes. When you plug one gpu in that is running at 16x speed, they are runun at 8x each, and when you would plug 3 in it would be 8x 8x nd 4 x
There is no preformance difference between 8x and 16x. You could plug three AMD gpus in that board annd have them at8x 8x 4x bt nvidia dosent let their gpus work in 4x

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