محرك الأقراص الصلبة الداخلي للمراقبة الأرجواني سعة 4 تيرابايت - SATA بسرعة 6 جيجابايت/ثانية، ذاكرة تخزين مؤقت 256 ميجابايت، 3.5 بوصة - WD43PURZ 4 تيرابايت

Engineered for mainstream surveillance systems, WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications, Tarnish-resistant components(6) | (6) Tarnish resistant components for capacities 3TB and higher., Supports up to 180 TB/yr workload rate(3) | (3) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred, Support for up to 16 bays(7) | (7) 1TB through 2TB support up to eight bays; 3TB and above support up to 16 bays.