M1 Mac Thunderbolt 4 ports mostly don't support 10Gb/s speed - 9to5MacMac MacBook Pro Apple Silicon M1 Mac Studio Most M1 Mac Thunderbolt 4 ports don’t support the 10Gb/s transfers of USB 3.1 Gen 2, show tests 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 expecte
