Synology Rail Kit RKS1314/RKM114 - For installing your Synology RackStation in a rack Synology Rail Kits are designed for installing your RackStation on the rack. Synology RKS1314 comes with sliding rails, making it easy to slide the RackStation in and out for easy maintenance, while Synology RKM114 secures your RackStation on a rack. Rail Kit offers the following choices: Synology RKS1314 - Rail Kit Sliding Synology RKM114 - Rail Kit Mounted Applied models: Synology RKS1314: RS10613xs+, RS3413xs+, RS3412(RP)xs, RS3411(RP)xs, RS2414(RP)+, RS2212(RP)+, RS2211(RP)+, RX1214(RP), RX1213sas, RX1211(RP), RS814(RP)+, RS814, RS812(RP)+, RS812, RS810(RP)+, RS411, RS409(RP)+, RS409, RX410, RX4 Synology RKM114 : RS814(RP)+, RS814, RS812(RP)+, RS812, RS810(RP)+, RS411, RS409(RP)+, RS409, RX410, RX4 Technical specifications Physical specifications for Synology RKS1314 Mount post width must be equal to or greater than 451mm Panel width must be equal to or greater than 480mm Cabinet depth: 680mm~910mm Physical specifications for Synology RKM114 Mount post width must be equal to or greater than 451mm Panel width must be equal to or greater than 480mm Cabinet depth: 570mm~720 mm (for 13-series and earlier 1U models) Cabinet depth: 570mm~810mm (for 14-series and future 1U models)