How to connect external storage? (sas cables, HBA card, adapters, ??)

[superboyac]

I'm still working through my storage issues.  I have the main box done, and I'm getting ready to add more storage in the form of additional enclosures for drives only (no MB).  I've been researching, but I'm having a little trouble figuring what I need.  So below are my thoughts so far:
My SATA ports on the server MB are maxed out, so I need new SATA ports.
Therefore, I'm going to get the popular M1015 board in "pass through"? mode, which is done by flashing it to IT mode or something like that.
Now, I have a card that can add more drives.  The connectors on the card are 2 SAS plugs.
I need to connect this card to the drives in the external enclosure.  I don't really want a cable going from inside the server box, out into the enclosure.  I'd like to have it cleaner and I think I need some kind of adapter or something to put on the PCI brackets for each box.  What is this adapter?  it would be like this:

M1015-SAS cable -->bracket SAS?-->outside cable-->bracket SAS-->SAS-to-SATA breakout for the drives.

Is that correct?  I know the cables I'd need, but I don't know what to get for those bracket parts.  And I don't know what it's called, so I don't know how to search for it.

thanks.

[4wd]

I think these are what you need:
For the external case: http://www.addonics.com/products/ad4smsas.php
For the host: http://www.addonics.com/products/ad2ems.php

[superboyac]

I think these are what you need:
For the external case: http://www.addonics.com/products/ad4smsas.php
For the host: http://www.addonics.com/products/ad2ems.php

Thanks 4wd, those are perfect.  I'll be getting just that.
I also found this graphic, which is also perfect for me.

[4wd]

You do realise that we will want to see assembled photos of this monumental effort?

Purely so we can rest easy knowing we won't have to go through it again ... even if it is by proxy