Synology DS1815+ RAM Upgrade to 6GB

Upgrading your Synology DS1815+ to 6GB of RAM

1. Purchase compatible memory

The first step in your Synology DS1815+ RAM Upgrade is to acquire a compatible RAM module.

Synology states the DS1815+ supports: 4GB – DDR3-1600 unbuffered So-DIMM 204pin CL=11 1.5V

The Synology Community Forum seems to support that the Kingtson KVR16S11S8/4 as the best choice for the DS1815+.  This is what I decided to go with and the upgrade went smoothly.  My DS1815+ passed all memory diagnostics and is running great with this stick of RAM.

Alternatively, there are several other User Reported Compatible RAM modules to choose from.  Just ensure that you purchase a module that is fully compatible with your DS1815+.

Kingston KVR16S11S8/4 Memory
Kingston KVR16S11S8/4 Memory

2. Remove six screws from rear of DS1815+

Using a Phillips screwdriver, remove the six screws holding the cover panel in place on the rear side of the DS1815+.

Screw hole locations on rear of Synology DS1815+
Screw hole locations on rear of Synology DS1815+

3. Slide the cover panel off

Place your thumbs on the indicated positions and then slide the cover panel toward you to remove.

Rear view of Synology DS1815+
Rear view of Synology DS1815+

4. Gain Access to the expandable memory slot

Locate the expandable memory slot (pictured below)

Synology DS1815+ Expandable Memory Slot
Synology DS1815+ Expandable Memory Slot

5. Insert the RAM module into the expandable memory slot

Align the RAM module with the grooves of the memory slot.  (It will only fit one way).  You will need to insert the module at an angle (shown in the picture below).

Installing 4GB of RAM into Synology DS1815+ Memory Slot
Installing 4GB of RAM into Synology DS1815+ Memory Slot

6. Lock the RAM module in place

Slowly push the RAM module down until you hear a solid click.  Note the two capture arms on both side should hold the RAM module in a locked position.

Synology DS1815+ Expandable Memory Slot with 4GB of RAM Installed
Synology DS1815+ Expandable Memory Slot with 4GB of RAM Installed

7. Reassemble your DS1815+

Reverse the above steps. Slide the cover panel back on and reinstall six screws to secure the cover panel

8. Power on and verify RAM upgrade

Power on your DS1815+. After a few moments you should hear a single beep indicating a successful boot. Log in to your DS1815+ and open System Information to verify that your new Synology DS1815+ RAM Upgrade is complete!

Synology DS1815+ DSM System Information
Synology DS1815+ DSM System Information

9 Comments

  1. Thank you. Very direct as the previous user commented. I appreciate you taking the time to post it. I wanted to see the breakdown before I bought it.
    RW

  2. Great writeup- I was able to upgrade mine to 16GB by replacing the original DIMM and then adding a supplemental. Here is the part # I used- Crucial 16GB Kit (8GBx2) DDR3L-1600 SODIMM Memory for Mac (CT2K8G3S160BM).

    Thanks Again!

  3. it won’t work with the internal module. If you replace the internal module with this 8Gb and add another 8Gb you’ll be at 16Gb.
    see the synology forum for this as well

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