Drive #1
 70.9% used 
135.71 GB of 465.76 GB remaining

Drive #2
 99.5% used 
19.97 GB of 3725.9 GB remaining

Drive #3
 99.6% used 
14.15 GB of 3725.9 GB remaining

Drive #4
 87.3% used 
472.84 GB of 3725.9 GB remaining