I tried to buy a Dell Thunderbolt 4 card from Dell but was told it was not available. They offered Thunderbolt 3 but I doubt that it was tested for compatibility. Previous generations of the 3600 series had a Thunderbolt option entry in the BIOS and a Thunderbolt driver but 3660 does not have that. It appears that Dell overpromised and underdelivered in this case.
The motherboard does have a 10-pin thunderbolt header (photo below).
Dell doesn't offer any manuals or documentation on ANY of their thunderbolt add-in cards online and support cannot seem to verify if the cards they carry will work.
Sorry, I don't have any add'l info related, but share your concern.
I did find This webpage from www.mattmillman.com to be helpful in understanding the complexity in general of adding thunderbolt when it's not part of the system you take out-of-the-box.
Thank you for posting & I will be watching for updates/solutions.
Unless it's hidden somewhere, I don't see support in the latest BIOS release for 3660 for any type of Thunderbolt.
The 3660 BIOS is more than BIOS, kind of integrated miniOS/GUI shell for all things pre-boot. Nearly impossible to use without a mouse (and my everyday mouse, a wired USB Kensington Pro-fit full -size is impossible to use with the BIOS GUI - tiny movement of mouse moves pointer across the screen - I have to use a temporary mouse ....)
Also a very strange and misleading marketing information from Dell Corp.: They mention a thunderbolt card to order with the Precision 3460 configuration but will probably send a D-SUB 9 pin card (link)
Boucing Czech
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3 Posts
2023
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Posted July 28th, 2022 12:00
Is there any Thunderbolt 4 card available for Precision 3660 at all? Does it require cabling or BIOS modification?