This is a mechanical HDD drive with a 1 TB storage capacity. This model has a 2.5" form factor, which apart from this model is commonly used in SSD drives.
From Ecprof
WD10JFCX - WD HD2.5 SATA3 1TB WD10JFCX / 24x7 / NAS### Warranty / Gara
AA2Z Supply
WESTERN DIGITAL WD10JFCX WD RED 1TB 5400RPM(INTELLLIPOWER) SATA-6GBPS 16MB BUFFER 2.5INCH INTERNAL NAS HARD DISK DRIVE. BULK. .
Compadvance
WESTERN DIGITAL Wd 1Tb