Sale quick view Add to Cart Western Digital WD Purple Pro Surveillance 18TB Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" WD181PURP (Pack of 4) MSRP: $1,547.10 $1,259.00 WD Purple Pro Surveillance 18TB Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" WD181PURP WD Purple™ Pro drives are designed for advanced AI-enabled recorders, video analytics servers and deep learning solutions requiring... Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare