This knowledge base (KB) applies to the following NVMe RAID AICs.   Table 1: Support NVMe RAID AICs   Support NVMe RAID AICs RocketRAID 3700 Series RocketRAID 2800 Series RocketRAID 800 Series RocketRAID 4500 Series RocketRAID 2700 Series   What Does Power-Up In Standby (PUIS) Mean? Power Up in Standby (PUIS) is a specific hard disk drive (HDD) feature that allows the drive to spin up only when necessitated by a command, rather than when turning on the computer. This helps sa