Can I use 2 external Hard Drive Parallel with Time Machine ?
If you're referring to back up to two different external disks, you can do it. Go to System Preferences > Time Machine > Select Disk and choose one. Then, choose Select Disk and select the other one
Is it better to connect a Hard Drive with a Thunderbolt OR FireWire connection instead of USB ?
My Internal HD is slower then these external HD's , will the internal slower the "Chain"?
Thunderbolt and FireWire are faster, so you should use them. Their speed will be slower only when you copy data to the internal disk
Thank you !
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