/dev/ada0 512 # sectorsize 250059350016 # mediasize in bytes (233G) 488397168 # mediasize in sectors 4096 # stripesize 0 # stripeoffset 7752336 # Cylinders according to firmware. 1 # Heads according to firmware. 63 # Sectors according to firmware. Samsung SSD 840 Series # Disk descr. ... # Disk ident. Yes # TRIM/UNMAP support 0 # Rotation rate in RPM Not_Zoned # Zone Mode