Synology DiskStation DS1621xs+

Best RAM for Synology DiskStation DS1621+

Rocking six drive bays, the Synology DiskStation DS1621+ is a beast of a prebuilt NAS. It has a potent AMD Ryzen processor (without integrated graphics) and supports up to 32GB of RAM. This is more than most people would require, but we’ve rounded up the best RAM for Synology DiskStation DS1621+.

What RAM is supported by Synology DiskStation DS1621+?

When it comes to buying RAM for the Synology DiskStation DS1621+, you have two options: Go with Synology modules or aftermarket solutions. The former allows you to continue receiving full support from Synology for the NAS. The latter may include limitations of the said support.

The DS1621+ and the AMD Ryzen V1500B processor can handle up to 32GB of RAM using two SODIMM slots. According to the official Synology website, the DiskStation DS1621+ supports the following modules:

While it’s possible to purchase two of the D4ECSO-2666-16G modules and call it a day, maxing out the capacity, you could choose an unofficial RAM kit and save some money. We’ve compiled a list of modules that should work with one of the best NAS from Synology.

Best RAM for Synology DiskStation DS1621+

Synology D4ECSO-2666-16G
Synology D4ECSO-2666-16G. (Source: Synology)

Synology D4ECSO-2666-16G

Synology offers its official RAM modules for branded NAS enclosures. They’re expensive but you will have peace of mind and full support from the company should an issue arise down the line. This kit would double the available memory of the DS1621xs+.

Samsung DDR4-2666 16GB
Samsung DDR4-2666 16GB. (Source: NAS Master)

Samsung DDR4-2666 16GB

If you don’t mind buying an unofficial module, Samsung’s DDR4-2666 16GB module is good to go with similar specs that will be supported by the NAS. Whilst you cannot go to Synology for RAM-related assistance, you shouldn’t have an issue with this excellent brand of memory.

How to install RAM in Synology DiskStation DS1621+

The process of installing RAM inside the Synology DiskStation DS1621+ is an easy one. The modules aren’t even located inside the NAS enclosure, but rather have their own dedicated hatch located underneath the main chassis. Here’s how to quickly install RAM:

  1. Remove the drive bays.
  2. Flip the NAS over.
  3. Unscrew the RAM module hatch door.
  4. Open the hatch door.
  5. Remove the existing DDR4 module if replacing it with a dual kit.
  6. Install your newly purchased RAM modules in the available slot(s).
  7. Close and secure the hatch door.
  8. Boot up the Synology DiskStation DS1621+.
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