The thing is Sapphires are also notorious for cheaping different quality memory modules on their parts, all will work within spec, but if you're in to overclocking sometimes you can get burned by cheap entrontech/hynix/infineon or even slower samsung memory.
That's the one thing that far to often you can't check until you have the card in your hands, and now even then you'd often have to remove the HSF assembly if you wanted to look at which memory modules are on your card.
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