[root@T450s1 ~]# smartctl -i /dev/sda
smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.16.4-300.fc28.x86_64] (local build)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:     LITEON LCH-256V2S
Serial Number:    
LU WWN Device Id: 5 002303 10073e968
Firmware Version: 3C87902
User Capacity:    256,060,514,304 bytes [256 GB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    Solid State Device
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   ACS-2 (minor revision not indicated)
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Sun Apr 29 10:52:36 2018 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

[root@T450s1 ~]# smartctl -i /dev/sdb
smartctl 6.6 2017-11-05 r4594 [x86_64-linux-4.16.4-300.fc28.x86_64] (local build)
Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     SiliconMotion based SSDs
Device Model:     TS512GMTS400
Serial Number:    
Firmware Version: O0919A
User Capacity:    512,110,190,592 bytes [512 GB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    Solid State Device
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-2 (minor revision not indicated)
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Sun Apr 29 10:52:43 2018 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled



dmidecode information 

BIOS Information
        Vendor: LENOVO
        Version: JBET54WW (1.19 )
        Release Date: 11/06/2015
        Address: 0xE0000
        Runtime Size: 128 kB
        ROM Size: 16 MB
        Characteristics:
                PCI is supported
                PNP is supported
                BIOS is upgradeable
                BIOS shadowing is allowed
                Boot from CD is supported
                Selectable boot is supported
                ACPI is supported
                USB legacy is supported
                BIOS boot specification is supported
                Targeted content distribution is supported
                UEFI is supported
        BIOS Revision: 1.19
        Firmware Revision: 1.2

System Information
        Manufacturer: LENOVO
        Product Name: 20BWS3FX00
        Version: ThinkPad T450s