![Why won't this cable work? Firewire800>Thunderbolt>USB-C. I'm trying to mount an external drive on a Mac Pro 5,1 (Mid-2010). The drive doesn't seem to be getting power. Any tips would be appreciated. Why won't this cable work? Firewire800>Thunderbolt>USB-C. I'm trying to mount an external drive on a Mac Pro 5,1 (Mid-2010). The drive doesn't seem to be getting power. Any tips would be appreciated.](https://preview.redd.it/q0bia8d41ny51.jpg?width=640&crop=smart&auto=webp&s=d4f487c94a102856453bab536c57fdc34f53717b)
Why won't this cable work? Firewire800>Thunderbolt>USB-C. I'm trying to mount an external drive on a Mac Pro 5,1 (Mid-2010). The drive doesn't seem to be getting power. Any tips would be appreciated.
![1394 Firewire 800 To 400 Firewire Firewire 9 To 4 Data Cable 1394 Cable 1.8 Meters Black - Walmart.com 1394 Firewire 800 To 400 Firewire Firewire 9 To 4 Data Cable 1394 Cable 1.8 Meters Black - Walmart.com](https://i5.walmartimages.com/asr/f6c72d2d-705f-4d5e-a242-8f4117a60228.c5d554bfe6fc1c0a442b08f6e6caf49e.png)
1394 Firewire 800 To 400 Firewire Firewire 9 To 4 Data Cable 1394 Cable 1.8 Meters Black - Walmart.com
![lM ll lL lL S on Twitter: "Peak #dongle 2017 Thunderbolt 3 (usb-c) > Tb 2 > FireWire 800 > FireWire 400 https://t.co/lOmAutctZj" / Twitter lM ll lL lL S on Twitter: "Peak #dongle 2017 Thunderbolt 3 (usb-c) > Tb 2 > FireWire 800 > FireWire 400 https://t.co/lOmAutctZj" / Twitter](https://pbs.twimg.com/media/DMhr8PbU8AA8iHk.jpg)