Dell 400-19851-RFB is a refurbished 2TB SAS hard drive for adding or replacing storage in a compatible server. Its 3.5-inch hot-plug format is stated in the exact-part listing, while Dell’s options catalogue describes the corresponding 400-19851 drive as a fully assembled hot-plug kit.
The drive is identified as 2TB NearLine SAS, with a 6Gbps interface and 7,200 RPM spindle speed. These details describe a capacity-oriented server storage drive for workloads where a large amount of data is stored and accessed through a SAS connection.
The listing marks this specific item as refurbished. The confirmed details identify its capacity, interface, format and hot-plug assembly; they do not specify a compatible server model or additional included accessories.