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X825 V1.5
X825 V1.5
X825 V1.2 for Raspberry pi 4 model b Only
X825 V1.2 for Raspberry pi 4 model b Only
X825 V1.2 for Raspberry pi 4 model b Only
X825 with X735
X825 PSU
Wrong power supply will lead to the X825 to be damaged
X825 metal case for X825 2.5" sata board & Pi 4B


1. Please send your issue information with order numbers and purchase link to our support email: support@geekworm.com if you need after-sale support, that will do great help to solve the problem quickly, thanks in advance.

2. What do you need to use Raspberry Pi X825 2.5 inch SATA Storage Board?

  1. A Raspberry Pi 4 Model B Board
  2. A X825 Board
  3. A DC 5V 4A Power Supply (Please use high quality power supply)
  4. A 2.5 inch SATA hard disk drives (HDD) or solid-state drive (SSD) 【not recommend to use Samsung SSD because we found the EMC of Samsung SSD is serious】
  5. A X735 Power Management Board for intelligent power management and cooling your Raspberry Pi(optional,When use the X735 board with momentary switch equipped with the X825 case, the 2 jumper caps on the X735 should be removed!)
  6. A X825 Use Metal Case(optional, due to the raspberry pi USB 3.0 frequency interference, it is recommend to use 5G AP if use the case)

More questions refer to FAQ


The X825 expansion board provides a complete storage solution for newest raspberry pi 4, it supports up to 4TB 2.5-inch SATA hard disk drives (HDD) / solid-state drive (SSD). Only 2.5 inch SATA interface HDD/SDD hard disk is suitable for X825 Board;

It is updated from raspberry pi 3b+/3b X820 V3.0 2.5 inch SATA SSD expansion board. (Please refer to X820 if you want use the 2.5 inch SATA SSD on raspberry pi 3b+/3b/2b)


X825 X825-IMG-6526-1.jpg

For Use With

  • Raspberry Pi 4 Model B

Operating System

  • All Raspberry Pi operating systems

Key Features

  • Ideal storage solution for Raspberry Pi 4 - 2.5" SATA HDD/SSD Shield
  • Supports up to 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.) 【not recommend to use Samsung SSD】
  • Integrated USB 3.1 Gen1 to SATA 6Gb/s bridge controller
  • USB3.1 Gen1 5Gb/s connectivity offers plug-and-play functionality on your Raspberry Pi
  • Allows booting OS from your HDD/SSD for faster app opens, web serving and file copying (see notes)
  • On-board push button to control power on /off (Press-ON, Hold the button pressed at least 2s -OFF)
  • On-board XH2.54 power connectors allows to power other devices
  • LED red indicator indicates powered status and blue indicator indicates drive status
  • External Self Powered - Do not require power from Raspberry Pi USB port
  • Powers the Raspberry Pi - no additional power supply for RPi
  • Duplicated Raspberry Pi HDMI port
  • 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 X725 for uninterruptible power supply (18650 UPS, 5.1V 8A, WOL)


  • Power supply: 5Vdc +/-5% , 4A
  • Ports & Connectors:
  1. DC jack - 5.5x2.5mm, USB socket - USB 3.0 type A,
  2. Power output connector - XH2.54 2-pin
  3. Power switch connector -PH2.0 4-pin
  • PCB Size: 107.5mm x 85mm


  • A microSD card is required for forceing the Raspbian OS to use the HDD/SSD for its "root" partition
  • For use with original power supply unit only
  • WARNING: Do not power your Raspberry Pi via the Pi's 40-pin header and type-C socket at the same time.
  • USB 3.0 devices might generate radio frequency interference that can cause Wi-Fi and other wireless devices operating in the 2.4GHz band to have issues communicating with your Raspberry Pi4. To avoid interference on the 2.4GHz band using Wi-Fi, try using the 5GHz band instead. If problem still exists, please turn off WiFi and use the wired network instead.

Power Supply Requirement

  • Power supply: AC 100 - 240V input 50 / 60Hz, 5V DC 4A output
  • DC Power Plug Size : 5.5*2.5mm
  • Important Note: Please use high quality DC 5V 4A power supply, the best choice is to buy the DC 5V 4A power supply that Geekworm provided. If you get low quality power supply to use, it may probably will damage your 2.5 inch HDD/SSD.

How to Power

How to Power X825

Installation Guide

Installation Video

Installation Guide Manual

X825 v1.5 installation guide

Packing List

  • X825 board x 1
  • USB3.1 jumper x 1
  • Power daughter board x 1
  • 2-Pin Power Connection Wire x 1
  • Spacer F/F M3 x 15mm x 4
  • Spacer F/F M2.5 x 12mm x 4
  • Spacer M/F M2.5 x 11mm x 1
  • Screw M2.5 x 5mm x 8
  • Screw M3 x 6mm x 6

Note: the raspberry pi and 2.5" SATA HDD/SSD are not included in the packing list.


Some Tips


Q1: 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 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 CE/UL/FCC/GS certificate DC 5V 4A Power Supply.

Q2: 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.

Q3: Does the X825 support USB boot?

Q4: 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.

Q5: What is the pinout for the PWR Switch?

Q6: What is the polarity of the X825 DC 5v in port ?

  • For the DC port, the inside the +5V, the outside is GND.

Q7: Why Raspberry Pi freezes when X825 is connected?

  • Please try to format the disk and test again.

Q8: Do X series NAS shields support UASP?

A: 2.5", 3.5" NAS shield(such as X825 X829 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) only support TRIM not UASP;

Matching Metal Case for X825

X825-C6 please refer to X825-C2 Case

X825-C7 please refer to X825-C7

Add your comment
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Anonymous user #15

26 days ago
Score 0++
Powering the X825 board (without Raspi nor SSD/HDD) with geekworm conform power supply, the red onboard led flashes, so does the power supply's led. It looks like having oscillating shortage on board. Any suggestions to fix that?

Anonymous user #14

one month ago
Score 0++
Hi, is the X825 board compatible with M.2 HD?

Anonymous user #13

one month ago
Score 0++
¿por que el wifi no funciona cuando conecto esta expansion?


one month ago
Score 0++


Because we found that USB 3.0 high-speed transmission will interfere with the Raspberry Pi's 2.4G wifi signal. So if you find the 2.4G signal is unstable, please try to use WIFI 5G AP. (Please refer to: raspberrypiwiki.com/X825#Document)

Anonymous user #12

2 months ago
Score 0++
Can the X750 be used to power the X825?

Anonymous user #11

3 months ago
Score 0++


It seems that board X825 v. 1.5 Doesnt support the TRIM command is that the case ?



4 months ago
Score 0++


2 questions regarding Raspi 4 WiFi performance (2.5G and 5G):

1. Dose the X825 affect the Raspi 4 WiFi performance? (I see that in version 1.2 there was a metal case around the USB circuits, and it is not there any more on version 1.5. Is it related to RF interference?)

2. To what extent does the metal case affect the Raspi WiFi performance?



Anonymous user #10

5 months ago
Score 1++
Is it possible to hook up X825 with ICE Tower cooling fan alongwith the case?

Anonymous user #9

5 months ago
Score 0++

My RaspberryPi freezes when X825 is connected.

I have pi 4B, X375, X825 and a samsung SSD.

Anonymous user #9

5 months ago
Score 1++
My problem was solved after formatting the disk.


5 months ago
Score 0++

Hi friend,

Thanks for your message, I will reflect it and add this information in our FAQ.


5 months ago
Score 0++
I am also interested in the question below about controlling the fan speed but the supplied link is no longer valid. Do you have that information somewhere else?


5 months ago
Score 0++
Does the button need software installed for it to work? If not how does it work?

Anonymous user #8

7 months ago
Score 0++
How can I connect raspberry pi-managed cooling fan to the raspberry pi while using the X825? (would like the fan to be managed by the pi's controller and not be on 100% all of the time)


7 months ago
Score 0++


Please refer to X735: http://www.r...dex.php/X735 to check if it will meet your demand.

Anonymous user #6

7 months ago
Score 0++
What's wrong with Samsung SSDs?

Anonymous user #7

7 months ago
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Hi friend,

According to our tests and customers' feedback, some Samsung SSDs will have unrecognized problems.

Anonymous user #5

8 months ago
Score 0++
Do the discs go to sleep automatically when not used in a few minutes?

Anonymous user #4

9 months ago
Score 0++
Hi, the data transfer speed is?


7 months ago
Score 0++


Sorry, not tested. We will update the data if tested later.

Anonymous user #3

10 months ago
Score 0++


Does this Board work with the Pi 3B, too? I will Upgrade my pi 3B later and i want to uswe this Board with the Pi3


7 months ago
Score 0++

Hi friend,

X825 is not support Raspberry Pi 3, please refer to X820 for PI 3: https://geek...ansion-board

Anonymous user #1

12 months ago
Score 0++
Can you control the LED's for the power and HDD?

Anonymous user #2

12 months ago
Score 0++
Hi, don't control the LED.