Hikvision 3 inch 4MP 4mm ColorVu Mini Pan Tilt Speed Dome Network Camera DS 2DE3A400BW DE(F1)(T5) Brand_Yeastar Multi purpose tray: A4 Multi purpose tray: A4 Specification Details Brand Transcend Model mSATA SSD 230S Manufacturer Part Number TS256GMSA230S Product Type Internal solid state drive Form Factor mSATA Capacity 256GB Flash Type 3D NAND flash Bus Interface SATA III 6Gb s Cache DDR3 DRAM cache Sequential Read Speed Up to 530 MB s Sequential Write Speed Up to 400 MB s 4K Random Read Up to 45 Hikvision AcuSense technology brings human and vehicle targets classification alarms to front and back end devices Alarm 1x input