KONYEAD USB4 CFexpress 4.0 Type B Card Reader, Built-in Silent Fan, Active Cooling, aluminum shell, Designed for Mac M1/M2/M3, Support Thunderbolt4/USB4, backwards compatible with USB3.2/3.1/3.0

["【CFexpress 4.0 Type B】Support CFexpress 4.0 Type B card, the test speed over 3300MB/s under the Mac Air/M2, Compatible with CFexpress Type B, transfer speed up to 1600MB/s; AS2464PD chipset inside, True USB4 40Gbps protocol, supports Thunderbolt4/USB4, is also backwards compatible with USB3.2/3.1/3.0/2.0.","【Active Cooling】CFexpress 4.0 Type B memory card works at a high temperature. If the heat dissipation of the card reader is not good, it cannot work stably for a long time, and it may also damage the memory card. The KONYEAD 9333 has built-in silent cooling fan, which can make CFexpress card work at low temperature for a long time and provide strong stability.","【Auxiliary Power Supply Port】Bus powered via a USB-C port,Plug and play with USB4, Thunderbolt 4, and USB-C equipped Macs, Windows PCs, iPads, Chromebooks.Some Tablets and Smartphones may not be able to provide enough current to the card reader, so we reserve an auxiliary power supply port(PD 5-20V input) to solve this problem.","【Pack List】1x 40Gbps CFE-B Card-Reader, 1x C TO C Thunderbolt Cable 80cm, 1x USB-C TO A cable 25cm, 1x iPhone OTG Adapter, 1x warranty card, 1x user manual."]