/dev/ada0 512 # sectorsize 256060514304 # mediasize in bytes (238G) 500118192 # mediasize in sectors 4096 # stripesize 0 # stripeoffset 496149 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. Samsung SSD 840 PRO Series # Disk descr. ... # Disk ident. Yes # TRIM/UNMAP support 0 # Rotation rate in RPM Not_Zoned # Zone Mode