This is an SSD drive with a 32 GB storage capacity. The form factor is mSATA for this particular model.
Clove Technology
Transcend TS32GMSA370S internal solid state drive mSATA 32 GB Serial ATA III MLC
Conrad Electronic
Transcend 32 GB Internal mSATA SSD SATA 6 Gbps Retail TS32GMSA370S