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Q3: Does X857 support UASP?
X857
,[[File:X857-IMG-7767.jpg|thumb|right|X857 V1.2 mSATA SSD Shield - FrontView]][[File:X857-IMG-7768.jpg|thumb|right|X857 V1.2 mSATA SSD Shield - BackView]][[File:X857-IMG-7769.jpg|thumb|right|X857 V1.2 mSATA SSD Shield]][[File:X857-IMG-7773.jpg|thumb|right|X857 V1.2 mSATA SSD Shield, NO include mSata SSD]][[File:X857-IMG-7775.jpg|thumb|right|X857 V1.2 mSATA SSD Shield + x735]][[File:X857-IMG-7776.jpg|thumb|right|X857 V1.2 mSATA SSD Shield + X765]][[File:X857-IMG-7778.jpg|thumb|right|X857 V1.2 mSATA SSD Shield + X725]]
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==Overview==
NOTE: X857 V1.2 is not be producted, and X857 V1.2 is upgraded to [[X857 V2.0]] '''X857 V2.0 is not support TRIM, only support UASP!''' After continuously collecting customers' feedback, we have updated and released this final version of the mSATA port SSD: X857V1.2. It is upgraded from [[X855]] (1st generation) and [[X856]] (2nd generation).
This X857 V1.2 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.
4. Please try provide extra power to X857.
5. '''Please test and make sure your Raspberry Pi4 USB3 port is good one. ''' (We get the feedback that Pi 4 USB3 port is easy to broken)
If still any issue, please email us at '''support@geekworm.com''' and provide the follow information:
A: Please refer to [[Does the X825/X855 support USB boot]]
USB boot video for reference:
# https://youtu.be/8tTFgrOCsig
# https://youtu.be/suU09BMMFts
Q3: Does X857 support TRIM?
A: Yes, Only X857 V1.0 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
Q4: Does X857 support UASP? A: NoX857 V1.0 supports TRIM but not UASP, the X857 does V2.0 supports UASP but not support UASPTRIM.
==Matching Metal Case for X857V1.2==Please refer to [[X857-C1 Case]]
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