Product name: USB4 to single-port 10G 10G network card Transmission to 10Gbps. Support for , for Linux, for MacOS and other systems, for MacOS is driver-free, system needs to install the driver. No need for additional power supply. Compatible with for 4/3. Port type:1 RJ45 interface Interface type:USB4 (compatible with for 3/4) Speed:10/100/1000M/2.5G/5G/10G Scope of use:desktop, notebook, server, NAS soft router Operating temperature:0 to +108 Storage temperature:-40 to +110 Under , to functionality, the following drivers need to be installed: 1. Install the for driver for the computer (usually provided by the computer's manufacturer). 2. Install card driver. The download link is as follows:http://.mmui.com.cn/data/upload/image/AQC113.zip Driver Download URL:http://.mmui.com.cn/data/upload/image/AQC113.zip Note:It is support USB4 and also compatible with for 3/4 computer interfaces. Not compatible with Type-C, USB 3.0, USB 3.1, USB 3.2, etc. Due to different production batches, the appearance , but it will not affect the use. Colour:Black Material:Aluminum Alloy Package Contents: 1 * 10G Network Card 1 * data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.