$> sudo sg_readcap --16 /dev/sdc
Read Capacity results:
   Protection: prot_en=0, p_type=0, p_i_exponent=0
   Logical block provisioning: lbpme=0, lbprz=0
   Last logical block address=976773167 (0x3a38602f), Number of logical blocks=976773168
   Logical block length=512 bytes
   Logical blocks per physical block exponent=0
   Lowest aligned logical block address=0
Hence:
   Device size: 500107862016 bytes, 476940.0 MiB, 500.11 GB