• QNAP recommends installing heatsinks on the M.2 SSD controllers to enhance cooling
efficiency and to ensure consistent performance.
• Before installing non-QNAP heatsinks, ensure that they are of the appropriate size and
shape.
1. Power off the device.
2. Disconnect the power cord from the electrical outlet.
3. Disconnect all cables and external attachments.
4. Remove the case cover.
a. Remove the screws.
b. Slide the cover back.
c. Lift the cover off the device.
TS-855eU User Guide
Installation and Configuration
18