![]() I just recently noticed that the HDD that came out of that computer (swapped out immediately for a SSD) used Core Storage. ![]() The refurb Mac with HDD's may be different. I would suspect if they didn't, we'd have seen an exposé to that effect by now. I'm sure that the SSD vendors that Apple uses has implemented it (there's only a few manufacturers of NAND chips and controllers of the sort that Apple uses). ![]() To do a complete secure erase on a SSD is much quicker (Micron says it takes less than a minute on most of their SSD's and they don't sell PCIe NVMe SSD's) than on HDD's because of the technology and the ability to parallelize - something you can't do on HDD's - this is the case if the SSD manufacturer has implemented it properly and the software that Apple uses it utilizes the proper commands and does the secure erase prior to selling a refurb. ![]()
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