Cooler Master Cosmos SE Manual De Usuario página 13

Base on your system require, you could choose the proper devices direction.
2.7.3 Install 3.5" devices or SSD into the bottom HDD cages
1
a
2.7.4 Install SSD(s) behind the ODD cage
(A) Install a SSD on top of right side cage
1
(B) Install a SSD on bottom of right side cage
1
Hook for SSD
12
2
b b
a
b b
or
Hook for SSD
3
Screw:M3*5 Screw:M3*5
a
b b
2
2
Screw:M3*5 Screw:M3*5
Screw:M3*5 Screw:M3*5