Western Digital WD8001PURP Hard Drive, Buffer 256 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 8 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.