NZXT Apollo - Manual (Page 9)

NZXT. 7
Step 2. Push towards the bottom to secure
5. After installation, the user may use screws to secure the
device.
Hard Drive Installation
The Apollo a
llows space for four internal 3.5” Devices such as hard
drives. Three of the four drives run on screwless slides. Please
follow the instructions below:
1. Attach the slides onto the side of the device.
Hard Drive Sliding into Place
2. Slide the device in place and secure.