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* The X820 expansion board provides a complete storage solution for raspberry piRaspberry Pi 3 Model B+ / 3B / 2B / B+, only 2.5 inch SATA interface HDD/SDD hard disk is suitable for X820 Board;* For Use With: Raspberry Pi 3 Model B+ / 3B / 2B / B+* Upgraded to USB3.1 Gen1 port; (SupportS USB 3.0) w/ high quality USB 3.0 Cable ( Lenght- 80cm/2.62inch; Diameter- 5.96mm/0.19inch)* Operating System: All Raspberry Pi operating systems* Support boot from USB mass storage device, '''USB mass storage boot is available on Raspberry Pi 3B, 3B+, 3A+, and 2B v1.2 only.''' please refer to [[#How to boot from a USB Mass storage device on a raspberry pi 3]]:
* External Self Powered - Do not require power from Raspberry Pi USB port
X820
,no edit summary
* A X735 Expansion Board (Optional，provide function like cooling fan, safe shutdown)
Note:# X820 board does not limit the thickness of the hard disk, but the <span style="color:red;font-weight:bold">Note: 1. when using our X820 metal case, the Max. compatible supports a hard disk thickness of the 2max.5" SATA SSD/HDD is 10.4mm/0.41inch</span>. (The stander 2.5" SATA SSD/HDD is 9.2mm/0.36inch). 2. # USB mass storage boot is available on Raspberry Pi 3B, 3B+, 3A+, and 2B v1.2 only.</span>
'''USB mass storage device boot'''
==Overview==
==Features==
* Operating System: All Raspberry Pi operating systems* Upgraded to USB3.1 Gen1 port; (SupportS USB 3.0) w/ high quality USB 3.0 Cable ( Lenght- 80cm/2.62inch; Diameter- 5.96mm/0.19inch)* Supports up to 4TB 2.5-inch SATA hard disk drives (HDD) / solid-state drive (SSD) (Theoretically it can work with 6TB or 8TB as well. But actually we do not test the X820 board with 6tb or 8tb HDD, you can have a try.)* Ideal storage solution for Raspberry Pi 3B+/3B
* USB 3.1 Gen1 to SATA 6Gb/s Bridge Controller
* USB 2.0 connectivity offers plug-and-play functionality on your Raspberry Pi 3B+/3B
* Quick file transfer with high-speed USB 3.0 connectivity from a PC or a Mac
* Powers the Raspberry Pi - no additional power supply for RPi
* Duplicated Raspberry Pi HDMI port
* Using patch process to improve the quality of the X820 V3.0 Board;
* Add Powers On-board powers button switch on the board to for power control the power supply.
* Add upgraded external 5V 2A power output USB port for external device such as cellphone and other device, of course. User can power the raspberry pi via this USB port when GPIO pins are occupied by other expansion board.
* Use upgrade Main control chip to solve the problem that the 'reboot' command is not supported in the V1.3 function.