WD 3.5Ħħ Purple Surveillance 1TB.WD10PURZ
Capacity
1TB
Interface
SATA 6Gb/s
Form Factor
3.5 Inch
Disk Speed
5400 rpm
Brouchure: https://cdn1.npcdn.net/attachments/15547937390af13fd259011654fa8e50c31a31187f.pdf