has WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURZ on sale for $89.99 after code.
- Supports for more than 8 bays.
- Supports up to 180TB/year workload rate.
- Engineered specifically for surveillance security systems.
- Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications.