![]() The real PERCEPTIBLE speed boost with an SSD is with significantly lower latency and much faster random IO (often an order of magnitude faster compared to mechanical) of small files. Copy a multi gig file to RAM which is somewhere where NVMe would be faster than SATA doesn’t make sense because application binaries and resource support files tend to be tiny. Which means you only make use of that speed when copying files to a Thunderbolt 3 NVMe drive, and even then you’re bottlenecked by the interface. Modern Macs don’t really have the space for more than one internal drive, so that means copying to an external. Copies within the same drive are virtually instantaneous on APFS, even on a mechanical drive, because of the way APFS works. Those speeds are only hit on large sequential transfers, for example when you are copying an hour long clip in a editing quality format. You’ll never need them on a modern Mac, and a SATA drive is good enough for virtually anyone. ![]() ![]() Click to expand.Those crazy high numbers that NVMe drives hit are mostly for dick waving purposes.
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