405-AAGU Dell 12 Gigabits Per Second (GBPS) External Controller

The Dell Serial Attached SCSI (SAS) 12Gbps External Controller Host Bus Adapter (HBA) is a hardware device that enables the connection of SAS hard drives and solid-state drives (SSDs) to a computer system. This device is designed for high-performance computing environments that require fast and reliable data transfer rates. Serial Attached SCSI (SAS) is a computer interface used for connecting hard drives and solid-state drives (SSDs) to a computer system. It is an improvement over the older parallel SCSI interface, which had limitations in terms of data transfer speed and distance.