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X873
,==Overview==
<span style="color:red;">'''In May 2021, the X873 has been updated with new longer USB3 connector, so the [[X857-C3]] case will not support with the X873 which you ordered after May 5th 2021.'''</span>
2.4G wifi will not stable, please use 5.8G wifi AP for the X873.
This is new updated version from [[X872]].
==Features==
* Ideal storage solution only for Raspberry Pi 4 - M.2 NVMe SSD Shield
* Supports up to 2TB M.2 NVMe SSD solid-state drives
* Supports M.2 NVMe SSD 2280 lengths only
* UASP supported only for Raspberry Pi 4
* Allows booting OS from your HDD/SSD for faster app opens, web serving and file copying
* USB3.1 Gen1 5Gb/s connectivity offers plug-and-play functionality on your Raspberry Pi 4
* Ultra-fast Data Transfers from a PC or a Mac (USB3.1 Gen2 10Gb/s, Gen1 5Gb/s, USB2.0 480Mb/s)
* Integrated USB 3.1 Gen2 to PCIe Gen3x2 10Gb/s bridge controller
* Integrated high efficiency step-Down Converter, 3.3V max3.5A to power the SSD
* USB bus-powered
* LED red indicator indicates powered status and blue indicator indicates drive status
* Specially-made USB3.1 jumper to connect with Raspberry Pi - no cabling required!
* 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 X728 for uninterruptible power supply (18650 UPS, 5.1V 8A)
* PCB Size :87mm x 56mm
==How to Power X873==
[[File:X873-V1.2-IMG-9471-packing.jpg|600px|Packing list]]
==Matching Metal Case==
<span style="color:red;">'''In May 2021, the X873 has been updated with new longer USB3 connector with mark 2113 on theUSB3 connector , so the [[X857-C3]] case will not support with the X873 which you ordered after May 5th 2021.'''
And you can use the [[X857-C1 Case]] for the X873 which you ordered after May 5th 2021.</span>
We use shorter copper spacer to connect Raspberry Pi 4 and X873 V1.2, which reduces the height of the entire product, so the matching metal case X857-C3 is shoter 3mm than X857-C1;
Please refer to [[X857-C3]].
Note: The case of X872 and X873 V1.2 are different. X872 should use [[X857-C1 Case]], but X873 V1.2 use [[X857-C3]] Case(Only for the X873 which ordered before May 2021).
==User Manual==
* 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://www.howtoraspberry.com/2020/10/how-to-install-an-m-2-hard-drive-on-a-raspberry-pi-4/ How to Install an M.2 hard drive on a Raspberry Pi 4 ?] Thanks John MacDowall!
* [https://github.com/raspberrypi/firmware/issues/1515 Difficulty booting from SSD drive]
== About X873 I/O error==