Targeting 24/7 data center and real-time, mission-critical storage applications, RM-4000 series accommodates 36, 48, or 60, 3.5 in., top-loadable, hot-swap enterprise hard drives for 720 TB max storage capacity in one 4U rack unit. Features include 12 GBps dual domain SAS expanders, 4 host QUAD 10GB/s Base T with 10GB/s SFP plus for data transfer rate to 40 GBps, and 1,280 W of 80 Plus Gold hot-swap power supply. Fault tolerant hardened features suit any IT infrastructure ecosystem.