Adapter Thunderbolt™ male > USB 3.0 A female Chipset: Asmedia ASM1042ACompliant to PCI Express Rev. 2.0 standard Adapter Thunderbolt™ male > USB 3.0 A female 7/7-64/8/8-64/8.1/8.1-64/ 10/10-64 Windows 10.9 Mac OS 1 x Thunderbolt™ male62634 DAT A transfer rate up to 5 Gb/s diameter 3.2 mm Operating temperature -10 °C ~ +55 °C Storage temperature -20 °C ~ +85 °C 15 cm Thunderbolt™USB3.1USB3.0USB2.0Performance Comparison 10105 USB3.06480 Mbps 1 x USB 3.0 type A female