WD40EFPX - Western Digital Red Plus, 4TB, Internal NAS HDD, 3.5, 5400 RPM, SATA 6 Gb/s,

WD Red Plus internal HDDs are designed to handle workloads for power users and small to medium business NAS environments. WD Red Plus drives deliver the speed and capacity required to store, protect and share growing amounts of data in mid-sized RAID-optimized NAS systems with increased power efficiency.

• Capacity: 4TB
• Form Factor: 3.5-Inch
• Connector: SATA
• Interface: SATA
• Transfer Rate: up to 180MB/s
• Disk Speed (RPM): 5400 RPM
• Recording Technology: CMR
• Cache Size: 256MB
• Warranty: 3-Year Limited Warranty
• Endurance (TBW): 180TB/Year
• Dimensions (L x W x H): 5.787" x 4" x 1.028"
• Weight: 1.65lbs
• Operating Temperature: 0?C to 65?C
• Non-Operating Temperature: -40?C to 70?C
• Certifications: BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL

The Western Digital Red Plus 4TB Internal NAS HDD is a 3.5-inch SATA 6 Gb/s drive designed for small and medium-sized business environments. This drive, part number WD40EFPX, utilizes Conventional Magnetic Recording (CMR) technology, which contributes to its suitability for sustained operation in network-attached storage (NAS) systems. It is optimized for RAID configurations, specifically supporting setups with up to 8 drive bays, making it a practical choice for expanding storage capacity in business networks. The drive's 5400 RPM spindle speed and 256MB cache are configured to provide reliable performance for typical NAS workloads. Enhanced OS compatibility and ZFS support further integrate this drive into diverse NAS applications, offering a dependable storage solution that can adapt to evolving business requirements without compromising data integrity or accessibility.