SSD220 TS480GSSD220S 480GB is an SSD type hard drive which can fit 480 GB of data. The form factor is 2.5" the most common for SSD drives.
From Amazon
Transcend SSD220S 480 GB 2.5 Inch SATA III 6 Gb/s Internal Solid State Drive (SSD) 3D TLC NAND (TS480GSSD220S)
Gadcet
Transcend SSD220S 480 GB 2.5 Inch SATA III 6 Gb/s Internal Solid State Drive (SSD) 3D TLC NAND (TS480GSSD220S), New
Conrad Electronic
Transcend 220S 480 GB 2.5 (6.35 cm) internal SSD SATA 6 Gbps Retail TS480GSSD220S