Western Digital WD141PURP Hard Drive, Buffer 512 MB, Wireless LAN No, Product Family Purple Pro, Drive Interface SATA, Drive Interface Standard SATA/600, Spindle Speed (rpm) 7200, Drive Type Internal, Form Factor 3.5", Storage Capacity 14 TB, Environmentally Friendly Yes, Environmental Certification RoHS, Endurance (TBW) 550 TB. WD Purple Pro drives are designed for new generations of high-end AI-enabled recorders, video analytics appliances, deep-learning servers and cloud solutions that can benefit from high-capacity storage.