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Oakley again compared Intel and M1 Macs, finding that real-life speeds were lower with the newer machines. The procedure detailed as the ‘Gold Standard’ test was followed.
MACBOOK AIR USB 3.0 PORT SERIES
Transfer rates were measured using my free app Stibium, version 1.0 (55), which wrote a total of 160 files of sizes from 2 MB to 2 GB in size to a folder on the SSD being tested, and read those same files back (Series Write and Series Read Tests as detailed in Stibium’s Help reference). Again, each was verified by establishing SuperSpeed+ 10 Gb/s connections to an Intel Mac.Ĭonnection speeds were read from the SSD’s entry in the USB data given in System Information. Oakley first tested this with Intel Macs, to verify that his test SSDs and cables were definitely compatible.Įach was connected to an Intel Mac (including an iMac Pro) and it was verified that they established connection at SuperSpeed+ 10 Gb/s with those Macs.Ĭables used included a certified Thunderbolt 4 model, and the USB-C (data) cables provided with the cases. The first is to see what theoretical speeds are reported by the machine. There are two ways of establishing the speed capabilities of a data connection.
MACBOOK AIR USB 3.0 PORT PRO
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We’ve discussed many times the mess and confusion caused by different USB-C standards, devices, and cables. The tests were conducted on a 2021 16-inch MacBook Pro M1 Max, and a 2022 Mac Studio M1 Max … Pro users of M1 Macs have reported disappointing transfer speeds with external SSDs, and tests appear to show that most M1 Mac Thunderbolt ports don’t support USB 3.1 Gen 2 – which means they don’t offer the maximum 10Gb/s transfer speeds that would be expected from Thunderbolt 4.