Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD – 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5″ -WD40EFPX

Western Digital 4TB WD Red Plus NAS Internal Hard Drive (WD40EFPX) is purpose-built for NAS environments, offering optimized performance, reliability, and endurance for small to medium business applications. Designed with CMR (Conventional Magnetic Recording) technology and NASware 3.0 firmware, it delivers consistent speed, smooth data access, and enhanced compatibility in 24/7 multi-drive systems. With low power consumption and quiet operation, the WD Red Plus ensures dependable storage for file sharing, backups, and media streaming across your network.

Product Features

Optimized for NAS Performance

Engineered specifically for NAS systems with up to 8 bays, providing reliable performance and data protection in continuous operation.

CMR Technology for Consistent Speed

Utilizes Conventional Magnetic Recording (CMR) for improved reliability and sustained performance in demanding workloads.

NASware 3.0 Firmware

Enhances system compatibility, reduces downtime, and optimizes drive performance for multi-drive environments.

Energy-Efficient and Quiet Operation

Low power consumption and reduced noise make it ideal for always-on NAS systems and home or office setups.

High Reliability and Durability

Tested for 24/7 operation with up to 180 TB/year workload rate, ensuring long-lasting performance under heavy use.

Enhanced Data Protection

Features 256 MB cache for improved read/write speeds and smoother data handling across networked devices.

Product Specifications

• Capacity: 4TB
• Interface: SATA 6 Gb/s
• Form Factor: 3.5-inch
• Recording Technology: CMR (Conventional Magnetic Recording)
• Cache: 256 MB
• Rotational Speed: 5400 RPM (Class)
• Workload Rate: Up to 180 TB/year
• Compatibility: NAS systems up to 8 bays
• Operating Temperature: 0°C – 65°C
• Non-Operating Temperature: -40°C – 70°C
• Dimensions: 147 × 101.6 × 26.1 mm
• Weight: Approx. 570 g
• Noise (Idle/Seek): 23 dBA / 24 dBA
• Power Consumption: 4.8W (Read/Write), 3.1W (Idle), 0.4W (Sleep)
• Warranty: 3-Year Limited Warranty

Frequently Asked Questions (FAQ)

Q1: What type of systems is the WD Red Plus 4TB designed for?
A: It’s optimized for NAS systems with up to 8 drive bays, making it ideal for home offices, small businesses, and media servers.

Q2: What is CMR technology and why is it important?
A: CMR (Conventional Magnetic Recording) ensures stable performance and better reliability compared to SMR drives, especially in RAID or NAS setups.

Q3: Can I use this drive in a desktop PC?
A: Yes, it can be used in desktop computers, but it performs best in NAS or RAID environments.

Q4: Is this drive suitable for 24/7 operation?
A: Yes, the WD Red Plus is designed for continuous operation in always-on NAS environments.

Q5: What is NASware 3.0 technology?
A: NASware 3.0 optimizes power usage, reduces vibration, and improves compatibility between NAS drives and enclosures.

Q6: Does it support RAID configurations?
A: Yes, it’s fully compatible with RAID setups for redundancy and performance optimization.

Q7: What warranty does the WD Red Plus 4TB include?
A: It comes with a 3-year limited warranty from Western Digital for added peace of mind.