This is an SSD drive with a 1 TB storage capacity. This model has an M.2 form factor.
From Amazon
Transcend MTS830S 1 TB M.2 2280 SATA III 6 Gb/s Internal Solid State Drive (SSD) 3D TLC NAND with DRAM Cache (TS1TMTS830S)
Conrad Electronic
Transcend 830S 1 TB SATA M.2 internal SSD 2280 M.2 SATA 6 Gbps Retail TS1TMTS830S
Compadvance
TRANSCEND 1Tb M.2