I'm looking to boost up the storage capacity of my MacBook Pro.  Is this the product?  If not, what is?

PROMISE VTrak x30 Series 3TB 7200-RPM SAS Drive Module for Ultra-Dense 4U-60-Bay (Single Pack) Expansion Chassis

PROMISE VTrak x30 Series 3TB 7200-RPM SAS Drive Module for Ultra-Dense 4U-60-Bay (Single Pack) Expansion Chassis

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