HPE 651699-001-RFB Harddisk Caddy is a SmartDrive carrier tray for the SFF G8/G9 platform. It provides the carrier component for a compatible hard drive installation in the designated server platform.
The listing identifies it as an SFF G8/G9 tray, so its role is specific to that platform designation. It is listed as used or refurbished, making it a replacement carrier part rather than a new drive.
Accessories may not be included. The product is the carrier tray; the listing does not confirm that a hard drive or additional fitting parts come with it.