Search query: wd purple 4tb

Product: Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD62PURZ
Brand: Western Digital
Color: purple
Relevance: Irrelevant
Engineered specifically for surveillance security systems.
Tuned for write-intensive, low bit-rate, high stream-count workloads typical to most surveillance applications.
AllFrame AI technology delivers additional enhancements and higher workload rate for AI-enabled recorders, systems and solutions
Supports up to 180 TB/yr workload rate** (Up to 360 TB/yr workload rate on drives that support AllFrame AI technology).
Support for more than eight bays.

Product: Seagate IronWolf 12TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST12000VN0008)
Brand: Seagate
Relevance: Substitute
IronWolf internal hard drives are the ideal solution for up to 8-bay, multi-user NAS environments craving powerhouse performance
Store more and work faster with a NAS-optimized hard drive providing ultra-high capacity 12TB and cache of up to 256MB
Purpose built for NAS enclosures, IronWolf delivers less wear and tear, little to no noise/vibration, no lags or down time, increased file-sharing performance, and much more
Easily monitor the health of drives using the integrated IronWolf Health Management system and enjoy long-term reliability with 1M hours MTBF
Five-year limited product warranty protection plan and three year Rescue Data Recovery Services included

Product: Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX
Brand: Western Digital
Color: Red
Relevance: Exact
Available in capacities ranging from 2-6TB with support for up to 8 bays
5400RPM performance class
NASware firmware for compatibility
NAS systems with daily workloads associated with personal and home office environments and idle time available to perform necessary background operations
Supports up to 180 TB/yr Workload Rate Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))

Product: SEAGATE Skyhawk 4TB Surveillance Hard SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST4000VX007)
Brand: Seagate
Relevance: Substitute
Custom-built for surveillance applications with Image Perfect firmware for crisp, clear, 24×7 video workloads
Maximum 180TB/year workload rating—3× the workload rating of desktop drives—for reliable performance in write-intensive surveillance systems
Rotational vibration (RV) sensors help maintain performance in RAID and multi-drive systems (4TB or higher)
Up to 10TB of capacity to store up to 10,000 hours of HD video