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    X855 mSATA SSD Shield  Hardware   Software
    Product Features
For Use With
- Raspberry Pi 4 Model B
Operating System
- All Raspberry Pi operating systems
Key Features
- Ideal storage solution for Raspberry Pi 4 - mSATA SSD Shield  
- Supports up to 1TB mSATA solid-state drive (SSD)
- Integrated USB 3.1 Gen1 to SATA 6Gb/s bridge controller
- USB3.1 Gen1 5Gb/s connectivity offers plug-and-play functionality on your Raspberry Pi 4
- Allows booting OS from your HDD/SSD for faster app opens, web serving and file copying (see notes)
- Compatible with USB 2.0
- LED red indicator indicates powered status and blue indicator indicates drive status
- Supports the X735 power management  board
- Supports the X705 Uninterruptible power supply (UPS)  board
- External Self-Powered or USB bus-powered
- On-board micro-USB power socket to power high capacity SSD (>2.5Watts)
- 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
Power Supply
I/O ports
- Power supply:  5Vdc +/-5% , Powered via Pi's USB port or XH2.54 connector
                       5Vdc via micro-USB socket, Extra power for SSD      
- Ports & Connectors: USB socket - USB 3.0 type A x1
                                  Micro-USB socket x1 
                                  52P Mini PCI-E mSATA slot x1
- PCB Size 85mm x 56mm
- A microSD card is required for forceing the Raspbian OS to use the HDD/SSD for its "root" partition
Do not power your Raspberry Pi via the Pi's 40-pin header and type-C socket at the same time.
    Box Contents
- X855 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  
    Optional Accessories
  X735 V2.0  
- Smart power management
- Supports safe shutdown
- Supports full poweroff
- Auto-Control cooling fan 
- 40-pin header Reserved
  See details