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davidcmc

macrumors 6502
Original poster
Nov 5, 2009
318
55
I've just ordered a 2013 21,5" iMac with a 256GB SSD upgrade.

Is this a PCI-E connection SSD or just a SATA3 SSD?

Thanks.
 
All Haswell Macs and later use PCIe SSDs.

So yes, you have a PCIe SSD.

The question now is, were you lucky enough to get the superior Samsung SM0256F variant?

You can check it in System Information → SATA/SATA Express.
Thank you.

I'll check that information once the Mac arrives.
 
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