I put in (4 ) 1.5 TB drives and have 5.45 "actual" to use... 1.39 is for "protection" and 4.06 is available for data.

Also, the descriptions read that you can use up to 2TB drives in these... but with the current firmware you can now use the newer 2.5 and 3 TB drives.

"If it turns out that President Barack Obama can make a deal with the most intransigent, hard-line, unreasonable, totalitarian mullahs in the world but not with Republicans? Maybe he’s not the problem."