Western Digital Red Plus 4TB 3.5" SATA 128MB Cache 5400RPM Internal NAS Hard Drive HDD WD40EFZZ
💾 Western Digital Red Plus WD40EFZZ 4TB Internal NAS Hard Drive
Reliable and RAID-optimized storage solution designed for NAS environments, home offices, power users, and small to medium businesses.
🔹 Key Features
✅ 4TB Storage Capacity
✅ 3.5-Inch Internal NAS Hard Drive
✅ SATA Interface Connectivity
✅ Up to 180MB/s Transfer Speed
✅ 5400RPM Disk Speed for Efficient Operation
✅ 128MB Cache for Smooth Performance
✅ CMR Recording Technology
✅ Optimized for RAID NAS Systems with up to 8 Bays
📌 Performance & Reliability
⚙️ Rated Workload: 180TB/Year
⏳ 1 Million Hours MTBF Rating
🏢 Ideal for Home Offices, SMBs & Commercial NAS Systems
🔄 Designed for Continuous NAS Operation
🌡️ Environmental Specifications
🌡️ Operating Temperature: 0°C to 65°C
❄️ Non-Operating Temperature: -40°C to 70°C
🛡️ Certifications
📜 BSMI, CE, FCC, KC, RCM, UKCA, VCCI, TUV, UL & More
📏 Product Dimensions
📐 146.99mm × 101.6mm × 26.11mm
⚖️ Product Weight
⚖️ 0.55kg
⚠️ Reminders:
1️⃣ Please record a full unboxing video as proof in case of issues.
2️⃣ Verify the delivery rider’s ID or take a photo with your payment for security.



