X856

Overview

The X856 mSATA SSD Shield expansion board is updated by X855, it provides a complete storage solution for Raspberry Pi 4 Model B, only mSATA interface SDD hard disk is suitable for X856 mSATA SSD extension board; Support up to 1TB mSATA solid-state drive (SSD); With this module, user can build a mobile hard disk with a mSATA SSD for Raspberry Pi 4 Model B.

Features

For Use With	Raspberry Pi 4 Model B
Operating System	All Raspberry Pi operating systems
Key Features	Supports up to 1TB mSATA solid-state drive (SSD) Ideal storage solution for Raspberry Pi 4 Model B only Allows booting OS from your SSD for faster app opens, web serving and file copying, a microSD card is required for forcing the Raspbian OS to use the SSD for its "root" partition USB 3.1 Gen1（ Support USB 3.0） to SATA 6Gb/s Bridge Controller Quick file transfer with high-speed USB 3.0 connectivity from a PC or a Mac USB bus-powered, No additional AC adapter required Ultra compact size Specially-made USB3.1 jumper to connect with Raspberry Pi - no additional cables needed Mounting holes and standoffs provide mechanical stability of the Raspberry Pi and X825 assembly Fully compatible with X735 for intelligent power management and cooling your Raspberry Pi Fully compatible with X710 for wide input voltage (6~36V) and intelligent power management Fully compatible with X765 for powering over Ethernet (POE, 5V 5A) Fully compatible with X725 for uninterruptible power supply (18650 UPS, 5.1V 8A, WOL)
Power Supply I/O ports	- Power supply: 5Vdc +/-5% , Powered via Pi's USB port 5Vdc via micro-USB socket - Ports & Connectors: USB socket - USB 3.0 type A x1 52P Mini PCI-E mSATA slot x1 - PCB Size 85mm x 56mm
Notes	A microSD card is required for forcing the Raspbian OS to use the HDD/SSD for its "root" partition WARNING: Do not power your Raspberry Pi via the Pi's 40-pin header and type-C socket at the same time.

Packing List

X856 mSATA SSD shield x 1
USB3.1 jumper x 1
Screw M2.5 *6mm x 6
Spacer M/F M2.5 *12mm x 4
Spacer F/F M2.5 *8mm x 4

Installation Guide

Document

Please refer to: How to Run Raspberry Pi 4 or 3 Off an SSD or Flash Drive
How to Initialize, Partition and Format a Brand New SSD in Windows – File:Tutorial Initalize New SSD.pdf

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

FAQ

Q1: Does the X856 support USB boot?

Please refer to Does the X825/X855 support USB boot

Q2: What msata SSD is recommend?

It is not recommend use Samsung brand SSD, and you can choose other brand that you like.

Some Tips

Thanks for Britt Johnston:

I have written new code to support your X735 device and documented how to use X735 and X856 together see: https://github.com/hoopsurfer/pdx for more, the new code is very reliable in my experience. https://storage.jamesachambers.com/ssd/

https://github.com/hoopsurfer/pdx/blob/master/installX856.md