c. Attach the screws.
7. Connect all cables and external attachments.
8. Connect the power cord to the electrical outlet.
9. Power on the device.
Replacing memory modules
The device has two memory slots. You can increase the memory capacity of the device by upgrading
memory modules. For optimal dual-channel performance, replace memory modules in all slots at the same
time.
Use only QNAP memory modules to maintain system performance and stability. You can purchase QNAP
memory modules from authorized resellers.
TS-855eU User Guide
Installation and Configuration
21