Synology Rail Kit RKS-02 enables easy maintenance access for Synology rackmount models. RKS-02 is backed by Synology's 1-year limited warranty. Installation requirements Mount post width must be equal to or greater than 450 mm Panel width must be equal to or greater than 480 mm Rack mounting depth_ 610 mm to 890 mm Rack mounting hole support_ square hole_ at least 9.5 mm x 9.5 mm round hole_ at least 7.1 mm Compatibility FS series_FS6400, FS3600, FS3400, FS3017, FS2017 SA series_SA3600, SA3400, SA3200D UC series_UC3200 22 series_RX1222sas 21 series_RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, FX2421 20 series_RS820RP+, RS820+ 19 series_RS1619xs+, RS1219+, RS819, RXD1219sas 18 series_RS3618xs, RS2818RP+, RS2418RP+, RS2418+, RS818RP+, RS818+, RX418 17 series_RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, RS3617xs, RX2417sas, RX1217sas, RX1217RP, RX1217 16 series_RS18016xs+, RS2416RP+, RS2416+, RS816, RX1216sas 15 series_RS815RP+, RS815+, RS815, RC18015xs+, RXD1215sas, RX415 14 series_RS3614xs+, RS3614RPxs, RS3614xs, RS2414RP+, RS2414+, RS814RP+, RS814+, RS814, RX1214RP, RX1214 13 series_RS10613xs+, RS3413xs+, RX1213sas 12 series_RS3412RPxs, RS3412xs, RS2212RP+, RS2212+, RS812RP+, RS812+, RS812 11 series_RS3411RPxs, RS3411xs, RS2211RP+, RS2211+, RS411, RX1211RP, RX1211 10 series_RS810RP+, RS810+, RX410 9 series_RS409RP+, RS409+, RS409, RX4