Some users have recently had their accounts hijacked. It seems that the now defunct EVGA forums might have compromised your password there and seems many are using the same PW here. We would suggest you UPDATE YOUR PASSWORD and TURN ON 2FA for your account here to further secure it. None of the compromised accounts had 2FA turned on.
Once you have enabled 2FA, your account will be updated soon to show a badge, letting other members know that you use 2FA to protect your account. This should be beneficial for everyone that uses FSFT.
"Dual" and "Quad" bay external enclosures are quite common ... don't recall seeing a "Tri" bay enclosure. Did a quick scan of "the egg" and found the following "Quad" bay enclosures ... Aluratek CyClone ACQES350F, AMS DS-2340SES, AMS DS-2350S,AMS VENUS ES5 DS-315SES, Galaxy METAL GEAR 4500M...
There are know issues with the firmware on some 7200.11 drives ... go to the Seagate Website and check to see if you drive is effected ... if so, you can attempt to contact Seagate to see if they will "fix your bricked drive" (IOW, recover your data).
As a last resort, you might take try ...
You should be able to format the drive from the command line using DISKPART ...
C:\Windows\system32>diskpart
DISK PART> list disk
DISKPART> select disk n (where n is the number of the thumb drive found via list disk)
DISKPART> clean
DISKPART> create partition primary
DISKPART>...