Western Digital WD40EFZZ 4TB 3.5" SATA3 NAS Hard Drive 5400 RPM 128MB Cache Intellipower for 24x7 Operation Reliable Storage

Product Overview

The Western Digital WD40EFZZ is a 4TB NAS hard drive designed for continuous 24x7 operation, optimized for network-attached storage systems. Featuring SATA3 interface and 5400 RPM rotational speed, this drive provides reliable and efficient storage suited for home or office NAS environments.

Equipped with Intellipower technology and a large 128MB cache buffer, it balances performance and power efficiency, making it ideal for demanding data access and storage tasks.

Specifications

• Capacity: 4TB (4000GB)
• Form Factor: 3.5 inches
• Interface: Serial ATA III (SATA3)
• Rotational Speed: 5400 RPM
• Cache Memory: 128MB buffer
• Designed for NAS usage with 24x7 reliability
• Intellipower technology for optimized power and performance
• Hot-swap support: No
• Typical Data Transfer Rate: Approx. 180 MB/s
• Operating Temperature Range: 0°C to 65°C
• Dimensions (L x W x H): 147 mm x 101.6 mm x 26.1 mm
• Weight: 550 grams
• Certifications: RoHS, BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL

Usage Scenarios

• Ideal for use in NAS systems requiring stable, continuous operation
• Suitable for home media servers, small business file storage, and data backup
• Enhanced reliability for RAID configurations

Delivery Time

This product is available in our CTA warehouse. Once ordered, it will be transferred to Malta and delivered within approximately 8-12 days from the order date.