$ sudo hdparm -i /dev/sda /dev/sda: Model=Flash, FwRev=Ver3.P0B, SerialNo=B65B0797020101234879 Config={ HardSect NotMFM Fixed DTR>10Mbs } RawCHS=16383/16/63, TrkSize=32256, SectSize=512, ECCbytes=4 BuffType=DualPort, BuffSize=1kB, MaxMultSect=1, MultSect=1 CurCHS=16383/16/63, CurSects=61078752, LBA=yes, LBAsects=61078752 IORDY=yes, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 AdvancedPM=no WriteCache=disabled Drive conforms to: Unspecified: ATA/ATAPI-4,5 * signifies the current active mode $ udevadm info --query=all --path /block/sda P: /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sda N: sda W: 51 S: block/8:0 S: disk/by-id/ata-Flash_Module_B65B0797020101234879 S: disk/by-id/scsi-SATA_Flash_Module_B65B0797020101234879 S: disk/by-path/pci-0000:00:1f.2-scsi-1:0:0:0 E: UDEV_LOG=3 E: DEVPATH=/devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sda E: MAJOR=8 E: MINOR=0 E: DEVNAME=/dev/sda E: DEVTYPE=disk E: SUBSYSTEM=block E: ID_ATA=1 E: ID_TYPE=disk E: ID_BUS=ata E: ID_MODEL=Flash_Module E: ID_MODEL_ENC=Flash\x20Module\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20 E: ID_REVISION=Ver3.PB0 E: ID_SERIAL=Flash_Module_B65B0797020101234879 E: ID_SERIAL_SHORT=B65B0797020101234879 E: ID_ATA_WRITE_CACHE=1 E: ID_ATA_WRITE_CACHE_ENABLED=0 E: ID_ATA_FEATURE_SET_PM=1 E: ID_ATA_FEATURE_SET_PM_ENABLED=1 E: ID_ATA_FEATURE_SET_SECURITY=1 E: ID_ATA_FEATURE_SET_SECURITY_ENABLED=0 E: ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=60 E: ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=60 E: ID_ATA_FEATURE_SET_SMART=1 E: ID_ATA_FEATURE_SET_SMART_ENABLED=1 E: ID_ATA_ROTATION_RATE_RPM=0 E: ID_SCSI_COMPAT=SATA_Flash_Module_B65B0797020101234879 E: ID_PATH=pci-0000:00:1f.2-scsi-1:0:0:0 E: ID_PART_TABLE_TYPE=dos E: UDISKS_PRESENTATION_NOPOLICY=0 E: UDISKS_MEDIA_AVAILABLE=1 E: UDISKS_PARTITION_TABLE=1 E: UDISKS_PARTITION_TABLE_SCHEME=mbr E: UDISKS_PARTITION_TABLE_COUNT=2 E: UDISKS_ATA_SMART_IS_AVAILABLE=1 E: DEVLINKS=/dev/block/8:0 /dev/disk/by-id/ata-Flash_Module_B65B0797020101234879 /dev/disk/by-id/scsi-SATA_Flash_Module_B65B0797020101234879 /dev/disk/by-path/pci-0000:00:1f.2-scsi-1:0:0:0