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Raspberry Pi 3 Model B+(Plus) / 3B mSATA SSD Storage Expansion Board X850 V3.0 USB 3.0 Expansion Board Module for Raspberry Pi

34 reviews
100% of buyers enjoyed this product! 205 orders
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[Packing List]

Bundle 1(X850 mSATA Board):
  • 1 x X850 V3.0 Expansion Board
  • 1 x USB 3.0 cable (Length: 60cm/ 23.62 inch)
  • 1 x Install Screws pack
  • ​1 x USB Connector

Bundle 2(X850 V3.0 Case):
  • 1 x X850 V3.0 Metal Case
  • 1 x Cooling Fan
  • 1 x Screws Pack

  1. ​Raspberry Pi board is not included.
  2. Case Size(Installation): 9cm x 6.2cm x 4.1cm / 3.54inch x 2.44inch x 1.61inch;


The X850 v3.0 expansion board(updated version of V1.3) provides a complete storage solution for raspberry pi. It Supports up to 1TB mSATA solid-state drive (SSD)(Only mSATA interface). User can build a mobile hard disk with a high-speed USB 3.0 connectivity quick file transfer from a PC or a Mac. Furthermore, it supports USB booting from your SSD(‘reboot’ command is supported), USB bus-powered and no extra power for the SSD and so on…

[For Use With]

  • Raspberry Pi 3 Model B+ / 3 Model B / 2 Model B / 1 Model B+.

[Operating System]

  • All Raspberry Pi operating system.


  • Supports up to 1TB mSATA solid-state drive (SSD)
  • Supports USB booting from your SSD
  • Ideal storage solution for Raspberry Pi
  • USB 3.1 Gen1 to SATA 6Gb/s bridge controller
  • USB 2.0 connectivity offers plug-and-play functionality on your Raspberry Pi
  • Quick file transfer with high-speed USB 3.0 connectivity from a PC or a Mac
  • USB bus-powered
  • LED blue indicator indicates drive status
  • Specially-made USB jumper to connect with Raspberry Pi – no additional cables needed
  • On-board micro-USB power socket to power high capacity SSD (>2.5Watts)


Power supply:
  • 5Vdc +/-5% , Powered by Raspberry Pi
  • 5Vdc via micro-USB socket, Additional power supply 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


  1. By connecting with USB connector, X820 V3.0 board is Powered by the Raspberry Pi motherboard.
  2. Support 5V power input from the SSD 5V power port on the X850 board at the same time. (you need to get a USB to Micro usb cable by yourself.)(Optional)

[Mobile Hard Disk Function]

[Installation Guide]

[About mSATA]

[X850 V3.0 Matching Metal Case]

[Difference between V3.0 and V1.3]

  • New Raspberry Pi Hat Design, the X850 board can be mounted under the raspberry pi, not occupy any ports or space of raspberry pi.
  • When using the X850 as a bootable hard disk, the problem of ‘reboot’ command is solved.
  • Replaced the power supply mode (using the Micro usb power supply instead of the GPIO power supply, additional power may be required only when using a large capacity hard disk)
  • WIKI:

[User Manual FAQ]

1/ How to detect X850 mSATA expansion board device?
Please try as the picture below:
2/ What do you need to use Raspberry Pi X850 V3.0 mSATA Storage Board?
(1) A Raspberry Pi board(Pi 3B+, 3B, 2B, B+)
(2) A Raspberry Pi Power Supply
(3) A mSATA solid-state drive (SSD)
(4) A X850 V3.0 use matching case (optional)

3/ More details and FAQ, please refer to:

[Professional Review]

Our customer has posted a professional review on the official Raspberry Pi forum, which details the features and use of the X850 mSATA Board, it will do great help for us.
Please refer to:

[Working Days / Hours]

From Monday-Friday
New York Time: 20:00-05:00
Melbourne Time: 12:00-21:00
Moscow Time: 04:00-14:00
Rio de Janeiro Tiempo: 22:30-08:00
London Time: 01:00-10:00
Beijing Time: 09:00-18:00

[Return & Refund]

  • 1.Refund or resend new for any orders due to the product quality problem.
  • 2.We accept any unused item in its original package as return within 7 days of delivery. Buyers must provide the tracking number, specific reason for the return.
  • 3. if it’s buyer’ s reason lead to the return package, buyers need to pay for round shipping fare.
  • 4. We will refund to buyer after we receive the returns in its original condition package. Or buyers could choose to have a replacement.


  • 1. All item will be shipped within 48 hours on receipt of cleared payment. (The earlier you pay, the earlier we ship your order.)
  • 2. If you need faster shipment, please choose DHL or EMS or FedEx IP(Shipping fare paid by yourself). Or we will deliver via the default method.
  • 3. Please make sure that your shipping address is 100% correct
  • 4. We ship items to worldwide with delivery time guarantee

[Order Package]

  • 1. Different products in(needs) different package, all parcels will be with good protection to prevent damage in transit.


  • 1. 100% Real Picture.
  • 2. We photography the product pictures all by ourself, so that you can enjoy the best visual service.


  • 1. We accept Alipay, West Union, Paypal, Escrow as the payment method. Currently, you can pay by Visa, MasterCard and bank transfer.
  • 2. Notice: If you decided to buy the item, please make payment as soon as possible, so that we can delivery for you in time


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location*Estimated Shipping Time
United States10-30 Business days
Canada, Europe10-30 Business days
Australia, New Zealand10-30 Business days
Central & South America15-30 Business days
Asia10-20 Business days
Africa15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of eStoreg (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Real customer reviews

34 reviews
100% of buyers enjoyed this product!
5 stars
4 stars
3 stars
2 stars
1 star
verifed buyer
14 Feb 2019 10:19

x850 kit - tested, working. Very fast delivery. Recommending

verifed buyer
6 Feb 2019 02:04

Качество отличное, протестировано с RasberryPi 3 B - все заработало без проблем.

verifed buyer
1 Feb 2019 02:45

New enhanced version of the X850

verifed buyer
28 Jan 2019 09:40

Well packed, arrived fast. Thank you!

verifed buyer
26 Jan 2019 07:11

Super, aucun regret, la qualité est au rendez-vous. A recommander pour le sérieux et la rapidité de la livraison.

verifed buyer
21 Jan 2019 09:59

This is my second x850 - good kit - very very fast delivery from this vendor

verifed buyer
19 Jan 2019 00:47

seems ok, although couldn't test yet. Seems nice built, I hope works ok

verifed buyer
16 Jan 2019 21:56

I'm very satisfied

verifed buyer
12 Jan 2019 00:53

Envio rapido, calidad muy buena

verifed buyer
11 Jan 2019 10:23

Arrived quickly

verifed buyer
8 Jan 2019 09:03

Very good as usual. Recommended. Don't hesitate

verifed buyer
4 Jan 2019 03:24

as advertised

verifed buyer
2 Jan 2019 05:01

Prima Produkte, Verpackung und Lieferung. Danke!

verifed buyer
1 Jan 2019 12:35

Ottimo prodotto, funziona perfettamente con Raspi; qualche problema a far vedere a windows 10 un disco nuovo non formattato. Ne ho presi 2 .. ottimo acquisto e spedizione veloce.

verifed buyer
23 Dec 2018 08:24

Working well nice quality fast delivery

verifed buyer
23 Dec 2018 01:40


verifed buyer
20 Dec 2018 14:21

Great quality & fast delivery!

verifed buyer
18 Dec 2018 15:55

Thank you.

verifed buyer
18 Dec 2018 12:49

Looks good...not booted up yet...

verifed buyer
13 Dec 2018 08:08

works fine

verifed buyer
25 Nov 2018 00:49

Fast shipping. There is a good product.

verifed buyer
23 Nov 2018 06:53

sehr schnelle Lieferung, Ware in Ordnung, gern wieder!

verifed buyer
7 Nov 2018 09:40

tres bon kit de qualité

verifed buyer
3 Nov 2018 10:36

worked perfect, the dealer corrected a mistake in my order to make the housing fit to the board ordered (thank you)

verifed buyer
29 Oct 2018 09:35

Item arrived. well packed. Recommended

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