Can this card work with up to 5 HDD or up to 20 HDD at once?

The description says "with Port Multiplier, a single eSATA cable can connect up to 5 drives with Port Multiplier aware unit" but it's not clear if this works with 5 drives on each of the 4 ports simultaneously.

Question

Can this card work with up to 5 HDD or up to 20 HDD at once?

The description says "with Port Multiplier, a single eSATA cable can connect up to 5 drives with Port Multiplier aware unit" but it's not clear if this works with 5 drives on each of the 4 ports simultaneously.

Accepted Answer

Yes it will work with 5 drives on each of the ports simultaneously, however drives have to share the connection's bandwidth.

I use one of these controllers on a Rosewill RSV-S8 external hot swap array, worked great and was twice as fast as the controller it came with.

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