NETGEAR ReadyNAS 102 Hardware Manual page 173

d. Push the mounting bracket out of each bracket lock using a pointed object, such as a pen.
The mounting bracket is released from the bracket locks.
e. Slide the mounting bracket out of the disk tray.
The mounting bracket is not used to secure 2.5-inch HDDs or SSDs.
6. Place the new 2.5-inch HDD or SSD in the disk tray.
7. Secure the HDD or SSD to the disk tray using the screws that came with your storage system.
Make sure that the HDD or SSD connectors face the interior of the disk tray.
ReadyNAS OS 6 Desktop Storage Systems
Disks
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