Details

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• Capacity: 12TB 
• Form Factor: 3.5-Inch
• Connector: SATA
• Interface: SATA III 6 Gb/s (Serial ATA‑600)
• Transfer Rate: Up to 196MB/s (WD official) 
• Disk Speed (RPM): 7200 RPM
• Recording Technology: CMR (Conventional Magnetic Recording)
• Cache Size: 256MB / 512MB (varies by batch) 
• Warranty: 3-Year Limited Warranty 
• Dimensions (L x W x H): 5.79" × 4" × 1.52" 
• Weight: ~1.46 lbs
• Model Number: WD120EFBX

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Product Features

• NASware™ technology for improved NAS compatibility
• Designed for 24/7 NAS operation
• Optimized for RAID multi‑bay NAS systems (up to 8‑bay) 
• Supports up to 180 TB/year workload rate 
• Dual‑plane balance control for reduced vibration 
• Lower running temperatures and power consumption for NAS use