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Doubling down on 2080ti?

SevrinSevrin Posts: 6,305
in Technical Help (nuts n bolts)

So as I was one of the people who owns a 2080ti, I was wondering if it was worth considering trying to pick up a used one and adding an nvLink for more VRAM, rather than crying myself to sleep.  In my case, it would also involve purchasing a new motherboard.  While it's no speed demon anymore, I'm not unhappy with my 7700k CPU, so I wouldn't mind if I could save myself the cost of a new CPU.  My PSU is 750w, so that would need bumping up.  I have a decent Coolermaster case, and could add a couple of fans to help with cooling.  Living in Canada, the thing could double as a space heater during a lot of the year.

Questions:

What would be a good motherboard? 

How safe is it to mix 2080tis?

Comments

  • kenshaw011267kenshaw011267 Posts: 3,805

    I'm assuming you need an ATX motherboard. The trick is going to be finding a good motherboard that isn't priced unreasonably high and I'm not finding any. 

    What's wrong with your current one?

  • SevrinSevrin Posts: 6,305
    edited September 2020
    kenshaw011267 said:

    I'm assuming you need an ATX motherboard. The trick is going to be finding a good motherboard that isn't priced unreasonably high and I'm not finding any. 

    What's wrong with your current one?

    It's an ATX, a Prime Z270-K.

    Post edited by Sevrin on
  • kenshaw011267kenshaw011267 Posts: 3,805

    That's a perfectly good board. Why do you need to replace it?

  • SevrinSevrin Posts: 6,305
    kenshaw011267 said:

    That's a perfectly good board. Why do you need to replace it?

    I guess I was confused by how the slots are lined up.  If I can manage with this board, then so much the better. smiley

  • kenshaw011267kenshaw011267 Posts: 3,805

    depending on how wide the existing card is may make fitting an NVLink bridge tricky but you can certainly get a second card on the board. 

    At the very worst you can put it in the bottom slot.

  • RobinsonRobinson Posts: 751
    Sevrin said:

    So as I was one of the people who owns a 2080ti, I was wondering if it was worth considering trying to pick up a used one and adding an nvLink for more VRAM, rather than crying myself to sleep.

    I would wait though.  I can see those 2080 Ti being < $250 early next year when 30xx production gets going.

  • nicsttnicstt Posts: 11,715

    I certainly wouldn't risk paying more than 300 for one, and agree if the performance numbers are what Nvidia claim then for second hand I'd be more like 200 or so; new maybe 300.

  • nicsttnicstt Posts: 11,715
    edited September 2020

    Just a few days since I last looked and prices are even below 400 now.

    Edit

    Haha

    Further down there is one for 205.00

    ok - seems it can be lower than 205:  108!

    2080ti.jpg
    1123 x 1252 - 206K
    2080ti 2.jpg
    1184 x 1184 - 199K
    Post edited by nicstt on
  • kenshaw011267kenshaw011267 Posts: 3,805
    nicstt said:

    Just a few days since I last looked and prices are even below 400 now.

    Edit

    Haha

    Further down there is one for 205.00

    ok - seems it can be lower than 205:  108!

    Maybe you're not clear how auctions on eBay work?

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