Transcend SSD225S TS2TSSD225S 2TB is an SSD type hard drive which can fit 2 TB of data. The form factor is 2.5".
From Amazon
Transcend 2TB 2.5" SSD225S SATA3 3D TLC TS2TSSD225S
Clove Technology
Transcend SSD225S 2.5" 2 TB Serial ATA III 3D NAND
Conrad Electronic
Transcend SSD225S 2 TB 2.5 (6.35 cm) internal HDD SATA III Retail TS2TSSD225S