Expanding Synology memory to 32GB is useful for virtualization. Additionally, 32GB RAM is necessary, for example, to utilize a 200TB volume in the DS1621+.
Many users hesitate to purchase the original Synology 2 x 16GB DDR4 ECC memory. The price of Synology memory is often multiple times higher than the market price of other brands, whose memory initially appears technically identical.
There is much discussion in forums about possible alternative RAM. For instance, modules from Kingston and Crucial are mentioned, which may cause functional issues or compatibility warnings. The message can be dismissed by confirming, but it is disruptive during system use.
This compatibility message often appears during booting of Synology systems with Kingston or Crucial memory modules:
“System event: A non-Synology memory module has been detected. To enhance system reliability, please choose original Synology memory modules from our official website.“
Which memory do we recommend for these Synology systems?
The technical specifications of the memory must, of course, be met. Moreover, the “compatible memory” message should not appear. With PHS memory RAM, you’ll find a cost-effective alternative that is 100% compatible with Synology systems. The Synology NAS systems boot without displaying a system error message.
You can find the correct 16GB ECC SO-DIMM, compatible with Synology’s part number D4ECSO-2666-16G, at the specific Synology NAS model: