Search query: wd purple 4tb

Product: Western Digital 8TB WD Purple Pro Surveillance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD8001PURP Engineered with advanced capabilities needed for high-end smart video solutions
High performance, reliability and workload capability for advanced AI-enabled recorders, video analytics appliances, deep-learning servers and cloud-based storage
Supports up to 550 TB/yr workload rate**.
Designed with tarnish-resistant components for harsh environments, and with additional robustness for multi-bay enclosures Western Digital Purple

Product: Western Digital 4TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD40EFAX 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)) Western Digital Red

Product: Western Digital 4TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD4003FFBX 7200RPM performance class
Available in capacities ranging from 2-14TB with support for up to 24 bays
Supports up to 300 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))
Enhanced reliability with 3D Active Balance Plus technology and error recovery controls with NASware 3.0 technology
Extended drive testing to ensure each drive is tested for extended reliable operation Western Digital Red

Product: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ Built for 24/7 surveillance
AllFrame technology for better performance
Designed to support up to 64 HD cameras
Engineered for compatibility
3-year manufacturer's limited warranty Western Digital Purple