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What external GPU are compatible with EB3T on Laptop computer?

Last Updated: Sep 13, 2016 02:11PM PDT

Product: EB3T
Application: GPU
PCIe card: Nvidia Quadro 4000 and GTX 680
Computer: T430s
Operating System: Windows 7


What external GPU have you guys tested so far with your EB3T expasion on Laptop computer?

We only tested the Nvidia Quadro 4000 in our Magma Thunderbolt Expansion 3T unit a Lenovo T430S Laptop running Windows 7.

How we got the Nvidia Quadro 4000 to work is by using a driver provided by Lenovo.


NOTE: Lenovo don’t have a driver for NVIDIA 4000 for Laptop platform. So, we need a driver for Nvidia Quadro 4000 for Desktop. We download the driver (from Lenovo Website), installed that driver and it worked just fine.

You could also apply the same principle or method on how to get your External Video solution to work.

 You have two options on how to get the driver from Lenovo website



 Go to

Click Support

Click Drivers and Software

>Select your Product

> Select Desktop & All-in-Ones> Select Workstations>Select ThinkStation C Series>Select ThinkStation C20> Select all Machine Types>Select OS, Windows 7 64 bit

 Under Driver and Software Tab, select Video to expand

Look for  NVIDIA video driver for Windows 7 (64-bit) and Vista (64-bit) - ThinkStation C20, C20x, D20, S20

>Click + for files

>Look for w3vdo53ws14 and download it



 or go to and search for w3vdo53ws14

Results will show up with 1

Click  NVIDIA video driver for Windows 7 (64-bit) and Vista (64-bit) - ThinkStation C20, C20x, D20, S20

 Look for w3vdo53ws14.exe. click Download

NOTE#2 Magma requires no driver on Windows 7 Operating System. The OS provides and loads the driver.


We also have  few customers who successfully configured and tested   GTX 680 using with T430S
Here's the info


(from customer)  I decided to buy a Lenovo s430 since that was a known eGPU compatible laptop.

In a couple of weeks the laptop arrived and I eagerly connected the Magma box... boom the drivers installed... quick reboot and I had a fully working eGPU GTX 680. Happily playing Far Cry 3 at max settings

Very happy times.

Now I just had to sell off the GTX 660 and Acer Aspire S5.

I've been using it for a few weeks now and there's one slight annoyance in that after a cold boot you have to let the drivers install again... then reboot to get the eGPU working.


It's a pretty minor issue to be honest.

Anyway two key things for anyone attempting to try this setup:

1) Avoid the Aspire S5 - a far as I can see it is incompatible and a risky choice
2) The Magma chassis has enough power to drive a GTX 680

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