WD Red Plus 4TB NAS Hard Disk Drive – 5400 RPM Class SATA 6Gb/s, CMR, 256MB Cache, 3.5 Inch – WD40EFPX

**WD Red Plus 4TB NAS Hard Disk Drive (WD40EFPX)**
Designed for reliable network-attached storage (NAS) systems, this 3.5-inch HDD combines 4TB capacity, 5400 RPM speed, and 256MB cache for balanced performance in multi-user environments. Features CMR technology for sustained write speeds and data integrity, optimized for 24/7 operation. NASware firmware enhances compatibility, reduces downtime, and ensures seamless integration with NAS enclosures. Engineered to handle vibration resistance and extended workloads, it??s ideal for home/small business users prioritizing durability, low power consumption, and consistent shared storage performance. USP: Trusted CMR reliability in a NAS-tailored drive.