Note: Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications. 
Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting. 
* Sound Level Test 
Environment: Refer to ISO 7779; Maximum HDD loaded; Bystander Position; Average data from 1 meter in front of operating NAS.
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Designs and specifications are subject to change without notice.