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* But if you use a metal shell like [[X857-C3]], then you can only use 5.8G wifi AP, 2.4G wifi will not be available(be shielded by metal case);
* As a Raspberry pi NAS device, we advised that you use ethernet network to replace wifi, this will be more stable and reliable.
<span style="color:red;">'''About the EMC Interference Issue:'''</span>
We are trying to solve the issue of EMC interference between Raspberry Pi 4 and USB3.0 device with [[X862 V2.0]], [[X857 V2.0]] and [[X873]] V1.2. But we get several feedback that if the external USB device (like mouse, keyboard, display) connected, the system maybe unstable or not boot from the SSD. It suggest to use a USB3 type A to USB3 type A male-to-male cable to replace the USB connetor to test.
The X862 V2.0 M.2 NGFF SATA SSD Shield is designed for Raspberry Pi 4 model B, it provides a complete storage solution for Raspberry Pi 4. New X862 V2.0 ONLY support M.2 NGFF SSD Key-B 2280 length. The X860 V2.0 support UASP for Raspberry Pi 4.