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[[File:X825-V2.0-Interface-Schematic.jpg|thumb|right|X825 V2.0 Interface Schematic]]
[[File:X825-V2.0-001.jpg|thumb|right|X825 V2.0]]
[[File:X825-V2.0-002.jpg|thumb|right|X825 V2.0+X735]]
[[File:X825-V2.0-IMG-9680-Size.jpg|thumb|right|X825 V2.0 Dimensions]]
[[File:X825-V2-PCB-size.jpg|thumb|right|X825 V2.0 PCB Dimensions]]
[[File:X825-V2.0-003.jpg|thumb|right|X825 V2.0 Packing List]]
[[File:X825-C8-001.jpg|thumb|right|X825-C8 Case]]
==Overview==
This is the new X825 V2.0 version which release at April 1st 2020, there will be a new case [[X825-C8]] designed for X825 V2.0. The X825-C6 or X825-C7 DO NOT SUPPORT X825 V2.0.
The X825 V2.0 Version is updated from [[X825]] V1.5 Version.
Some new features of X825 V2.0(Updated on April 1st 2021):
① Add 4 test pins to achieve powered between X825 V2.0 and Pi4 without additional cable. You can get power from the PI4's Type-C port or X825 V2.0 DC JACK power socket.
② Removed the on-board power button and 4-pin external switch interface. You can connect the X735 board for software safe shutdown & power management .
③ Use more shorter USB 3.0 jumper/connector, so the matching metal case is X825-C8 NOT X825-C6.
==Features==
* Supports upto 4TB 2.5-inch SATA hard disk drives (HDD) / solid-state drive (SSD) (Theoretically it can work with 6TB or 8TB as well. But actually we do not test the X825 board with 6tb or 8tb HDD, you can have a try.)
* Ideal storage solution for Raspberry Pi 4 Model B
* UASP supported for Raspberry Pi 4, NOT support TRIM
* Use a shorter USB 3 connector to reduce the overall height
* Use new 4pcs test pins to power each other with raspberry pi 4, no additional wire required
* LED blue indicator indicates drive status
* USB 3.1 Gen1 to SATA 6Gb/s Bridge Controller
* Quick file transfer with high-speed USB 3.1 connectivity from a PC or a Mac
==Power Supply Requirement==
* Power supply: AC 100 - 240V input 50 / 60Hz, 5V DC 4A output
* DC Power Plug Size : 5.5*2.5mm (The DC jack has been updated to DC5521 jack now!!!)
'''Based on X735 V2.5 version'''
[[File:X825-V2.0-How-to-Power-1.jpg|800px|How to Power X825 V2.0]]
==Packing List==
* 1 x X825 V2.0 Expansion Board
* 1 x USB 3.1 connector
* 2 x M3x6 Screws
* 8 x M2.5x6 Screws
* 4 x Spacer F/F M2.5x14mm
==Matching Metal Case==
Please refer to [[X825-C8]]
==User Manual==
===Difference between Geekworm NAS Family===
Pls refer to [[GEEKWORM NAS Family]]
===Installation Video for X825 V2.0===
https://youtu.be/JxUNhIxXgj4
{{#ev:youtube|https://youtu.be/JxUNhIxXgj4}}
Thanks for the video by DB Tech!
{{#ev:youtube|https://youtu.be/uh1_05AZmzI}}
===Some tutorials===
* [[File:Usb3-frequency-interference-papers.pdf]]
* How to Run Raspberry Pi 4 or 3 Off an SSD or Flash Drive: [[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://www.addictivetips.com/ubuntu-linux-tips/set-up-openmediavault-on-raspberry-pi-4/ How to set up OpenMediaVault on Raspberry Pi 4]
*[[Properly Mount USB Storage on Raspberry Pi]]
*[[Auto Mount an NTFS USB Drive on Raspberry Pi]]
* [https://github.com/raspberrypi/firmware/issues/1515 Difficulty booting from SSD drive]
* [https://www.shellhacks.com/raspberry-pi-mount-usb-drive-automatically/ Raspberry Pi: Mount USB Drive – Automatically]
* How to build a Raspberry Pi NAS: https://youtu.be/gyMpI8csWis
==FAQ==
Q0. The SSD cannot start or is very slow
A： If you have a Raspberry Pi 4 and are getting bad speeds transferring data to/from USB3.0 SSDs, read this https://www.raspberrypi.org/forums/viewtopic.php?t=245931
Q1: Why system crashes while using USB Boot, and shows drive was removed?
* Please try to format the HDD/SSD especially when using a new HDD/SSD.
* When you find that HDD/SSD is not recognized, please also try formatting the HDD/SSD to check.
[[File:Drive-was-removed-while-usb-boot.png|400px|X825]]
Q2: Don't detect HDD/SDD?
* This is a complicated question, but we can check it from these points. Please refer to [[How to check the X820|How to check the X825]]
The power supply is very important to X825, some low quality power supply will damage your board or not recognize the HDD/SDD, so it is strongly recommend to use this [https://geekworm.com/products/dc-5v-4a-power-adapter-with-eu-us-plug-for-x820-x800-x4000-x6000-expansion-board CE/UL/FCC/GS certificate DC 5V 4A Power Supply].
Q3: Do i need an external power source supplying for x825 board?
* Yes, here is the specification: 5V and 4A with a 5.5mm barrel connector, and do not power your Raspberry Pi via the Pi's 40-pin header and type-C socket at the same time.
Q4: Does the X825 support USB boot?
* Please refer to [[Does the X825/X855 support USB boot]]
Q5: Why X825 can not recognize the HDD when doing big data transfer?
* This situation do not related with the hardware, please try to check and update the firmare. We have test continuous copy of data that has exceeded 15GB in windows.
Q6: What is the pinout for the PWR Switch?
* Please refer to here: [[PH2.0 Conector Specification]]
Q7: What is the polarity of the X825 DC 5v in port ?
* For the DC port, the inside the +5V, the outside is GND.
Q8: Why Raspberry Pi freezes when X825 is connected?
* Please try to format the disk and test again.
Q9: Do X series NAS shields support UASP?
A: 2.5", 3.5" NAS shield(such as X825 X828 X829 X835 X832) use JMS583 IC, and all supports UASP('''NOTE: Not supported UASP in earlier versions， produced before July 1, 2020'''), to prevent HDD/SDD from entering the hibernation state,
but M.2 MSATA SSD (X862 V1.0) only support TRIM not UASP;
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