Question 1

Is this compatible with Thunderbolt 3?

Accepted Answer

It is May 28, 2020 and I can confirm this adapter works with Thunderbolt 3 ports on a brand new MacBook Pro (MacBook Pro 13-inch 2020 with 4 Thunderbolt 3 ports).  I am connecting an old Firewire external drive with (1) a fire wire cable connected to (2) this Apple Thunderbolt 2 to Firewire adapter, and then connect that adapter to a (3) Apple Thunderbolt 3 to Thunderbolt 2 adapter, and then connect that adapter to a Thunderbolt 3 port on the new MacBook Pro.

Question 2

My Male firewire plug has a rounded edge on one side. I cant see that on the picture??

Accepted Answer

The rounded edge on your cable is Firewire 400 (also known as 1394a) with a 6-pin connector. 4-pin is the minimum (shaped like a small rectangle) and only handles data connections; the extra two pins on your 6-pin version provide power to supported devices. This adapter is for 9-pin Firewire 800 (also known as 1394b), which is backwards compatible, but you'll need a second (less expensive) adapter. Your solution will look like this: Just get an adapter head/short cable that goes from female Firewire 400 6-pin to male Firewire 800 9-pin, then plug that into this adapter, which will then be ready to use with your Thunderbolt 1/2 device. The connection will work fine, just at Firewire 400 speeds. Unfortunately, this clunkiness is the only way to go about it because Firewire was phased out in the early 2010s.

Question 3

Can i connect a thunderbolt drive to the firewire 800 port on my macbook pro?

Accepted Answer

I tried to connect my 2011 iMac with 1 firewire port to a LaCie 2big Dock 8TB External RAID Hard Drive (that has it's own power) using a Apple Thunderbolt 2 to FireWire Adapter, Apple Thunderbolt 3 to Thunderbolt 2 Adapter and a firewire cable at the Apple Store.  The drive did not appear on the Mac.  But if I used a Thunderbolt 3 to USB-a cable the Lacie drive came up on the iMac.

Question 4

would it work for the firewire 1394b?

Accepted Answer

Yes. It's FireWire 800 (1394b) with square/rectangular 9pin female connection to male thunderbolt connection

ASIN	B00SQ2CJUS
Date First Available	November 1, 2018
Is Discontinued By Manufacturer	No
Item Weight	1.44 ounces
Item model number	MD464LL/A
Manufacturer	Apple
Product Dimensions	2.6 x 8.6 x 1 inches

Apple Thunderbolt to FireWire Adapter

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