The Satechi USB4 Slim NVMe SSD Enclosure transfers at up to 40Gbps, with read speeds up to 3840 MB/s and write speeds up to 3200 MB/s when paired with a high-performance NVMe (Non-Volatile Memory Express) solid state drive (SSD).

Ports that reach full speed

• USB4
• Thunderbolt 4
• Thunderbolt 5, including the ports on the M4 Mac mini

It is also backward compatible with slower connections. USB 3.2 Gen 2 runs at up to 10Gbps and USB 2.0 at up to 480Mbps.

Device limits

• On iPad, speeds are limited to 10Gbps.
• On iPhone 17e, speeds are limited to 480Mbps.

Actual speed depends on your host device and your SSD.