![]() The speed the disk reads and writes is limited by the physical disk itself, not the Thunderbolt interface. ![]() Yes, the WD drive is a physical disk drive, NOT an SSD. I’ve never had any problems with any WD My Passport drives I’ve owned, so I’m happy to overlook the extra cost of buying a cable. The cable works, but is this the best speed I should expect?ĪNNNWZZD Thunderbolt 3 Cable 40Gbps Data Transfer 100W Charging(20V, 5A) USB Type-C Cable,USB 3.1 Compatible (2.6ft)Ī: ANNNWZZD Thunderbolt 3 Cable 40Gbps Data Transfer 100W Charging(20V, 5A) USB Type-C Cable,USB 3.1 Compatible (2.6ft): Computers & Accessories This is the USB-C cable I purchased on Amazon. Is this the expected speed of he drive? I have tried asking WD Support directly via email, but they have only provided “theoretical” max USB speeds, which is not what I am asking. After buying a USB-C Thunderbolt 3 cable on Amazon, I STILL see 120 MB/sec read and write speeds using the Thunderbolt ports. I was unable to connect the drive to the Mac’s Thunderbolt port with the included cable. The Blackmagic Disk Speed Test app shows 120 MB/sec read and write speeds on my new 2020 M1 Mac Mini on USB 3.0. I want to use my M1 Mac Mini’s Thunderbolt port for maximum speed. The drive works great – I’m trying to understand how fast it SHOULD run… I reformatted it to APFS in Disk Utility. I purchased the WD My Passport Ultra 5 TB drive.
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