Upgrading Synology NAS memory allows you to perform multiple tasks at the same time without slowing down your system. Since the memory provides more resources for the system to use, system performance is less likely to reduce because of multiple running processes or heavy loading processes.
As for the necessity of upgrading your Synology memory, it will depend on the users environment and needs. If your NAS needs to perform multiple tasks at the same time or even handle heavy loading tasks, then you may consider upgrading the memory. The following scenarios are examples of multiple tasks or heavy loading tasks:
1) Running an Antivirus scan, data synchronization/backup and many users accessing files on the system at the same time, Web-hosting with more than 10,000 visitors a day. This will affect performance of the NAS and make it extremely slow.
2) In DSM / Resource Monitor / Performance / Memory, the utilization is often around 90%.
But if the memory utilization is not that high or you are not running multiple tasks causing the low performance, you don’t necessarily need to upgrade your memory.
Synology always says it clearly: We do not recommend using non-Synology memory modules. Using non-Synology memory modules may cause an unstable system or other serious issues such as the NAS can not boot up, data loss and more.
This may be true for RAM memories by less known producers who may not offer quality products, but not for producers like Kingston or Crucial, brand names of good reputation. I installed two 4GB blocks totaling 8 GB of RAM from Kingston HyperX in my Synology DS718 + and everything works like a charm.
How do you upgrade your Synology memory? Before inserting or removing the memory modules, please turn off your NAS and unplug the power cable. Below you can see some pictures of my Synology DS718+ undergoing the operation. 😀
How to open the Box? On YouTube you can find step by step tutorials showing you how to open your Synology. But remember that you are doing so at your own risk.
First Video: Upgrade Ram on Synology DS218+
Second Video: Upgrade Ram on Synology DS718+
Below you can see my RAM installation process:
In the first image you can see the original 2 GB Synology RAM block. In the second picture you can see the upgrade with the 8 GB RAM Hyperx memories (4 GB of RAM per module).
What happens if I install more RAM than the CPU processor can support? The excess RAM will never be used. There are people on YouTube and Forums who have unknowingly and naively installed 16 GB of RAM in their Synology DS718+ and DS218+ but they do not understand that the processor will never use the excess memory. Even if their system detects 16 GB of memory, it will never be used. The Celeron J3445 CPU can support to 8 GB of RAM. Synology recommends installing a maximum of 6 GB RAM but they don’t offer any explanation as to why only 6, despite the processor supporting 8 GB without any issue (according to Intel, the manufacturer).
Official Synology Memory VS Non Original Memory: PRICE! OMG! Synology, why is your RAM so expensive? Is it gold or diamond? 100 EUR for one block of 4 GB RAM. Other brands like Crucial and Kingston offer the same for half the price! This is unacceptable.
Warning: Installing non-original RAM modules will cause you to lose the warranty on your Synology Nas. Therefore, if you do decide to install non-original RAM memories, as did I, you do it at your own risk.
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