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X862 is M.2 NGFF SATA SSD Shield for Raspberry Pi 4 model B. It provides a complete storage solution for raspberry pi 4. Now there are 2 versions of X862.
<span style="color:red;">'''[[X862 V2.0]]''' have solved the EMC interference issue between Raspberry Pi 4 and USB3.0 device. X862 V2.0 ONLY support M.2 NGFF SSD Key-B 2280 length.</span>
'''X862 V1.0''' supports multiple M.2 NGFF SSD lengths including: 2280, 2260, 2242, 2230.
# The case of X862 V1.0 and X862 V2.0 are different. X862 V1.0 should use X857-C1 Case, but X862 V2.0 use X857-C3 Case.
# '''X862 V1.0 version supports TRIM but not UASP, V2.0 version supports UASP but not TRIM.'''# After our test, X857 V2.0 can connect to 2.4G wifi in seconds without the metal case. However, '''if X857 work with a metal case or external USB 3.0 devices such as a mouse or keyboard, you may still need to use Ethernet or 5G AP.'''
# This X862 is not fit to ROCK64 and Raspberry Pi 3B+ /3B because the difference of USB 3 position. Please refer to [[X860]] if you want use M.2 NGFF SATA SSD on the Raspberry Pi 3B+/3B or ROCK64 board.