[qanda]This thread is about the QSI SDW-082/SDVD8431. Click here to see full specs[/qanda]where can I download a firmware upgrade
If your drive came as part of a computer, then check your computer manufacturer’s support website.
I haven’t seen any firmware updates on QSI website (which doesn’t work properly with modern browsers 
)
From QSI website:
[B]Q:[/B] Can end-users obtain firmware from QSI website ?
[B]A: [/B] No, QSI doesn’t support firmware service on website.