Reliable 4TB WD Purple hard drive designed for 24/7 surveillance and NAS environments. Fully tested and confirmed working. Condition: ✔ Tested – Health status: Good ✔ Quiet and stable operation ✔ Normal cosmetic marks from use Specifications: • Model: WD40PURZ • Capacity: 4TB • Interface: SATA 6 Gb/s • Speed: 5400 RPM • Designed for 24/7 systems & surveillance use • Supports up to 64 cameras (manufacturer spec) Health & Usage (CrystalDiskInfo): • Status: Good • Power-on hours: ~34,265 • Power cycles: 11 • No reallocated or pending sectors Ideal for: ✔ CCTV / NVR systems ✔ NAS storage (Synology, QNAP, etc.) ✔ Media storage & backups No refunds
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