This product is either discontinued or we cannot get that from suppliers.
WD WD102PURZ 10TB Purple 3.5" SATA3 Surveillance Hard Drive, Built for 24/7 Use, 3.5", 10TB, Advanced Format, RoHS Compliant, Up to 64, 256MB, 7,200 RPM, MTBF: 1,500,000 Hours.
Purpose-built for DVR & NVR systems, WD Purple HDD creates new possibilities in video surveillance by supporting the capture of multiple high resolution video streams while simultaneously accessing recorded video to support deep learning and analytics (8TB, 10TB, 12TB & 14TB capacities)