HDD Caddy for a Cooler Master Case.
I'm not sure of the model number but the width between the oval rails is about 12.7mm (1/2").
Will suit 3.5" or 2.5" with base mounting holes.
HDD's can be mounted rear or forward facing.

Feedback from users on cases that that works with
Cooler Master Centurion 2
Cooler Master Centurion 534
Cooler Master HAF
Cooler Master Kabinet
Cooler Master Storm Stryker
Cooler Master Storm Enforcer
NZXT Zero

2017-05-10 Solidworks files added, STL rotated
2019-08-31 Side hole version added

RepRap

Mendel90

Doesn't Matter

No