Rail kit includes left and right rails (2 rails included)
For use in rack cabinet with mounting holes distances of 23.5 ~ 36.5 (595 ~ 936mm)
Maximum loading up to 77.16 pounds (35kg)
Supports 440mm wide 3U or 4U chassis
Compatible with SilverStone RM44 / RM46 / RM47 / RM51 / RM52