ποΈ Product Name
Western Digital WD40EFPX WD Red Plus 3.5″ 4TB NAS HDD β 256MB Cache, 5400RPM, SATA 6 Gb/s, CMR Technology
π¦ Product Overview
The WD Red Plus 4TB NAS HDD is engineered for small to medium business NAS systems and demanding home users. Optimized with CMR technology, it delivers dependable performance, high endurance, and seamless compatibility with multiβbay NAS setups. Designed for continuous operation, it ensures reliable data storage for backups, media libraries, and collaborative environments.
π Top Highlights
πΎ 4TB Capacity β Store large volumes of data with ease
β‘ 256MB Cache β Faster access and improved performance
π§ CMR Technology β Reliable write operations for NAS workloads
π 5400RPM Class β Balanced speed and energy efficiency
π‘ SATA 6 Gb/s Interface β Smooth integration with modern NAS systems
π Technical Details
| Specification | Details |
|---|---|
| Model Number | WD40EFPX |
| Form Factor | 3.5-inch |
| Capacity | 4TB |
| Interface | SATA 6 Gb/s |
| Cache | 256MB |
| Speed | 5400RPM class |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Transfer Rate | Up to 180 MB/s |
| Compatibility | NAS systems up to 8 bays |
| Workload Rate | Up to 180 TB/year |
| Dimensions | 147mm x 101.6mm x 26.1mm |
| Weight | ~570g |
π‘ Why You Should Buy It
β
Purposeβbuilt for NAS environments
β
High endurance with CMR recording
β
Balanced performance and energy efficiency
β
Trusted brand reliability for longβterm storage
π― Recommended Use Cases
β€ Small to medium business NAS systems
β€ Home media servers and backups
β€ Collaborative file sharing environments
β€ Continuous 24/7 operation workloads
π€ Customer Assurance
π Returns Policy: Returns accepted as per standard reseller terms and conditions
π Shipping Info: Delivery handled by reliable logistics partners with tracking support
π Customer Support: Assistance available via official support channels and authorized resellers
π Call to Action
Upgrade your NAS with WD Red Plus for dependable, longβterm storage performance.

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