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a. Insert the tray into the bay.
b. Push the handle.
5. Power on the NAS.
Replacing Memory Modules
The TS-h2490FU has 16 memory slots. You can increase the memory capacity of the NAS by upgrading
memory modules. For optimal performance, replace memory modules in all eight 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.
Important
QNAP recommends installing modules in groups of eight.
• Ensure that all eight modules are identical.
• Install the groups in sequence and follow the assigned slots for each group.
• Install memory modules in groups of eight or sixteen. When installing eight memory
modules, install the memory in slots 1, 3, 5, 7, 10, 12, 14, and 16.
For details on slot order, see the table below.
Module Group
First group
Second group
Warning
• Observe electrostatic discharge (ESD) procedures to avoid damage to components.
Slots 1, 3, 5, 7, 10, 12, 14, and 16
Slots 2, 4, 6, 8, 9, 11, 13, and 15
TS-h2490FU User Guide
Slot Number
Installation and Configuration
16
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