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[[File:X857-V2.0-IMG-9471-interface.jpg|thumb|right|X857 V2.0]]
[[File:X857-V2.0-IMG-9452.jpg|thumb|right|X857 V2.0]]
[[File:X857-V2-01.jpg|thumb|right|X857 V2.0 with Acrylic Plate and Embedded Heatsink]]
[[File:X862-V2-06.jpg|thumb|right|X857 V2.0 with Acrylic Plate]]
==Overview==
This is new updated X857 V2.0 version from [[X857]] V1.2.
* We removed the DC JACK power socket of X857 V2.0, X857 V2.0 is powered via USB 3.0 connector.
* We use shorter copper spacer to connect Raspberry Pi 4 and X857 V2.0, which reduces the height of the entire product, so the matching metal case [[X857-C3]] is shoter 3mm than [[X857-C1]];
* We have solved After our test, X857 V2.0 can connect to 2.4G wifi in seconds without the EMC interference issue between Raspberry Pi 4 and USB3metal case.0 device ON However, '''if X857 V2work with a metal case or external USB 3.0devices such as a mouse or keyboard, you may still need to use Ethernet or 5G AP. '''
* But if you use a metal shell like [[X857-C3]], then you can only use 5.8G wifi AP, 2.4G wifi will not be available(be shielded by metal case);
* As a Raspberry pi NAS device, we advised that you use ethernet network to replace wifi, this will be more stable and reliable.
* X857 V1.2 version supports TRIM but not UASP, '''V2.0 version supports UASP but not TRIM. '''
* We found that the stability of wifi is related to the brand of SSD.
==Features==
* Ideal storage solution for Raspberry Pi 4 computer - mSATA SSD Shield
* Supports up to 2TB mSATA solid-state drive (SSD)
* '''UASP supported ONLYfor X857 V2.0, do not support TRIM'''
* Integrated USB 3.1 Gen1 to SATA 6Gb/s bridge controller
* Integrated high efficiency step-Down Converter, 3.3V max 4A to power the SSD
==Packing List==
* 1 x X857 V2.0 mSATA SSD shield
* 1 x USB3.1 jumper
* 6 x Screw M2.5 *6mm
* 4 x Spacer M/F M2.5 *7+6mm
* 4 x Spacer F/F M2.5 *9.5mm
[[File:X857-V2.0-IMG-9448-acce.jpg|600px]]
* About USB boot please refer to [[Does the X825/X855 support USB boot]]
* Tutorial – How to Initialize, Partition and Format a Brand New SSD in Windows: [[File:Tutorial_Initalize_New_SSD.pdf]]
*https://raspberrytips.com/format-mount-usb-drive/
* [https://github.com/raspberrypi/firmware/issues/1515 Difficulty booting from SSD drive]
==FAQ==
Q1: What to do if HDD/SSD is not recognized?
A: Please refer to [[How to View/Partition/Format/Mount HDD/SSD]]
Q2:What does the red led on the X857 indicate?
A: The red led indicate means 3.3V SSD power supply OK.
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