Single Bulk Pack Video HD 6Gb/s 4TB SATA Hard Drive, 5900RPM, 64MB Cache - Seagate Video 3.5 HDDs deliver best-in-class performance for multi-stream video and low power consumption in capacities up to 4TB. With a 24 7 workload pro!le and an AFR as low as 0.55%, they are ideal for high-definition applications. Video 3.5 HDDs can support up to 16 simultaneous streams of high-de!nition content and offer a leading combination of reliability, capacity and performance.