This X857 mSATA SSD Shield expansion board provides a complete storage solution for Raspberry Pi 4 Model B, only mSATA interface SDD hard disk is suitable for X857 mSATA SSD extension board; Support up to 2TB mSATA solid-state drive (SSD); Now it is time to build a mobile hard disk with a mSATA SSD for your Raspberry Pi 4 Model B.
|For Use With||Raspberry Pi 4 Model B|
|Operating System||All Raspberry Pi operating systems|
|Power Supply I/O ports||
Do not power your Raspberry Pi via the Pi's 40-pin header and type-C socket at the same time.
- 1 x X857 mSATA SSD shield (Not including mSata SSD)
- 1 x USB3.1 jumper
- 6 x Screw M2.5 *6mm
- 4 x Spacer M/F M2.5 *12mm
- 4 x Spacer F/F M2.5 *8mm
- Please refer to: How to Run Raspberry Pi 4 or 3 Off an SSD or Flash Drive
- Tutorial – Tutorial Initalize New SSD
- Setting the permissions for your HDD /SDD in Raspbian
sudo chown pi:pi /media/pi/<HARD-DRIVE-LABEL> location
Change the owner to pi and all users should have full r/w/x permissions
sudo chmod 777 /media/pi/<HARD-DRIVE-LABEL> location
Make your HDD/SSD readable, writable and executable by everyone
Installation video for Raspberry Pi 4+X857+X735+X857-C1 Case: https://youtu.be/TrQwcPBU9S0
Q1: Does the X857 support USB boot?
A: Please refer to Does the X825/X855 support USB boot
Q2: What msata SSD is recommend?
A: It is not recommend use Samsung brand SSD as there will be electromagnetic interference between the Samsung SSD and X857 which make the SSD can not be recognized, and you can choose other big brand that you like.
Q3: Does X857 support TRIM?
A: Yes, X857 supports TRIM (Thanks for Mark), It will ensure the longevity and performance of mSATA drives.（The important thing is a rule has to be created to tell the OS this and then a cron entry made to schedule it.）
More detail refer to: https://www.glump.net/howto/desktop/enable-trim-on-an-external-ssd-on-linux
Matching Metal Case for X857
Please refer to X857-C1 Case