Thank you for viewing. 2-bay NAS, equipped with USB 3.0 ports for high-speed data transfer. * Brand: Synology * Model: DS216 * Interface: USB 3.0 x 2 * Port: Gigabit LAN port * Disk Slots: 2 * Status Indicators: LED indicators Contents: * DS216j unit * Power cable * Mounting screws (LAN cable, instruction manual, and original box are not included) (HDDs are not included) * Reset to factory settings. (Image 15: Initial screen after reset) * Please refer to the Synology website for installation instructions. * There is no dust on the fan, and it is generally clean, but there is some yellowing of the plastic due to aging. It may be difficult to see in the photos, but for comparison, I have prepared an image with a (white) copy paper placed next to the right side of the unit. Please refer to the degree of yellowing. (Image 13) Please understand that there is some discoloration on the exterior before purchasing.