The Synology RKS-02 Sliding Rail Kit is a universal rack-mounting solution designed for easy installation and convenient access to compatible Synology rackmount NAS servers and expansion units. These heavy-duty sliding rails enable smooth in-and-out movement of your Synology RackStation, FlashStation, expansion units, and unified controllers, providing effortless access for maintenance, drive replacement, and system upgrades without removing the unit from the rack. Engineered for standard 19" server racks, the RKS-02 supports a wide range of Synology models across FS, SA, UC, DP, RS, RX, and FX series (from RS409 series to current generation), making it an essential accessory for professional IT environments. The sliding mechanism allows technicians to easily service systems while maintaining organized cable management and maximizing data center efficiency, ensuring secure mounting and reliable operation for enterprise deployments.