QNAP B02 RAIL KIT, rail-b02, |EAN: 4712511127386, |UPC: 885022008698

1. Rack size
A. Mounting post width: ≥ 17.8" / 451 mm
B. Panel width: ≥ 19.1" / 485 mm
C. Mounting post depth: 18" ~ 32" / 443 ~ 815 mm
D. The distance between two rack posts (center-to-center measurement of the rack's square holes) is 18.3" / 465 mm

2. The rack kits are only compatible with 9.5 mm x 9.5 mm square-hole server racks.