M710q-Tiny-3.5-HDD-mod

Adding a 3.5" HDD with 12V to a Lenovo M710q Tiny

Goal of this project is to add a 3.5" Harddisk and use internal Sata & 12V.

TL;DR

Solder the yellow wire of a Sata-Extender to 12V on Mainboard

Place HDD outside

Disclaimer

USE AT YOUR OWN RISK!!!

I did not check any max power rating of the soldered point.

I'm not responsible for Board damage or a fire!

Required Material

• M710q Tiny
• 3.5" Harddisk
• Solder Iron
• SATA extension (power & data) | Aliexpress
• Yellow wire >= 0.75mm² L= ~5cm
• Shrink tubing or isolation tape
• Small & medium zip ties
• Multimeter for 20V DC
• Cutter/Knife
• Sidecutter pliers

How to

1 Open Case

2 Verify the 12V Solderpoint with Multimeter

3 Cut connector male in half, open hole on the back, put both pieces through separately

4 Mount SATA-Female with zip ties

5 Cut yellow wire & solder the short extra wire to it. Isolate connection and cutoff point on male side

6 Solder Wire to 12V Mainboard point

7 Fix Yellow wire with zip ties to CPU Cooler

8 Fix all wires to SSD-Bracket

8 Close

Extra photo for GND/5V/12V

Thanks to systemerror-codenotfound https://cults3d.com/es/modelo-3d/artilugios/3d-printed-nas-case-for-tiny-m710q-m910q-m720q-m920q

9 Print and assemble 3D printed Case

https://www.thingiverse.com/thing:6691335

To Do's

• [*] Print 3D bracket for HDD

Credits

Thanks badger707 for your work with the m920q. https://github.com/badger707/m920q-dual-NVME

The M710q schematics are here available: badger707/m920q-dual-NVME#2 ( https://github.com/badger707/m920q-dual-NVME/files/11174851/ThinkCentre_M710q_LiteON_JC133_IQ270IH1_REVX03_www_DeviceDB_xyz_.pdf )