Synology RKM114 1U Rail Kit Fixed

Mount post width must be equal to or greater than 451mm
Panel width must be equal to or greater than 480mm
Rack mounting depth: 570mm to 720 mm (for 13-series and earlier 1U models)
Rack mounting depth: 570mm to 810mm (for 14-series and future 1U models)
18-series: RS818(RP)+, RX418
16-series:RS816
15-series:RC18015xs+, RS815(RP)+, RS815, RX415
14-series:RS814(RP)+, RS814
12-series:RS812(RP)+, RS812
11-series:RS411
10-series:RS810(RP)+, RX410
9-series :RS409(RP)+, RS409, RX4