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7970 backplate - Page 2

post #11 of 16
Quote:
Originally Posted by Penryn View Post

Those XFX heatsinks look... different. Any guess if that screw size would work on say... a reference non double-dee card?

You can't know unless you call the manufacturer (who will probably tell you they don't know)... or do like NathG79 and I did and just look at the link for the engineering chart I linked to below - The screws that came with the backplate from EK - which are meant to thread into their water block - were too big to thread into his XFX air cooler. So, the next size smaller on the chart was the most logical place to start. He ordered the next smaller size (which only comes in one thread pitch - which made things easy as well) and it fit.

Below is an example of how metric screws are labeled:

Example:
Screw M3.5 x 0.5 x 8
This is a screw with a diameter of 3mm, a thread pitch of .5 and a length of 8mm - try to get some in shorter and longer lengths - as well as the other possible larger or smaller diameters so you're sure to have some that fit.

Here is an ISO standard chart of all the available metric screw sizes:
http://www.engineersedge.com/hardware/metric-external-thread-sizes1.htm

Order the screws with "tapered heads" so they fit neatly into the counter-sunk holes on the backplate. You will just have to wait for the backplate to come in the mail - then try the screws - if they are too small, go a size down on the chart - if they're too big then go up - if they're too long then you'll have to shorten them on a bench grinder, or order shorter/longer ones. It's not that hard you just have to do some trial and error.

Screws can be found anywhere online, Ebay.. or at a local machine shop / SOME hardware stores MAY (probably not) have screws that small in the fasteners isle - if they have an isle full of metric screws in drawers, like the True Value I used to work at did when was a kid.

Also, that backplate only lines up with the holes on a reference-style PCB - custom PCBs will probably not work with the EK backplate.
.
Edited by FromUndaChz - 5/22/12 at 1:53pm
post #12 of 16
Quote:
Originally Posted by Penryn View Post

Those XFX heatsinks look... different. Any guess if that screw size would work on say... a reference non double-dee card?

Sinks may look different but they stlll have to conform to the reference hole pattern. This is why you should check with a local store.
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post #13 of 16
how much for the backplate, 7970
are there any other stores now for this back plate or is this it?

thank you
post #14 of 16
I got a koolance block and a heatkiller backplate but I am starting to hate that backplate due to its looks, wondering if that EK backplate would work. Koolance block still need that uhm, dunno what you call that but that X frame that has the screws with it that tightens up the GPU area so that the block make contact to the GPU, I dunno if the EK backplate would fit with that in between, if not then what size is that screw with that X frame thing? so that I can just buy some online.
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post #15 of 16
Do you think the ek backplate will fit the myst edition 7870? they say its compatible with the other powercolor 7870's but dont list the myst edition specifically in the compatibility checker.

i'll reference to what im looking at
http://www.coolingconfigurator.com/waterblock/3831109856802
Edited by shushine4nep2ne - 6/25/13 at 12:24am
 
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post #16 of 16
anyone tried the ek backplate with a arctic accelero xtreme cooler? and do u have to take the cooler of to put the backpate on?
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