Frequently Asked Question
Installation: How do I install an SSD into my Synology NAS for the best SSD cache performance?
Last Updated 8 years ago
Due to the specification limits of the SATA controllers used in Synology DS415+, DS1515+, and DS1815+, the maximum transmission speed will vary depending on the drive bay. If you need to enable SSD cache on one of these models, please install the SSDs into Drive Bay 1 or Drive Bay 2, each with a transmission speed of SATA 6.0 Gb/s, in order to achieve optimal performance. There are no SSD installation limitations for other Synology NAS models.
If you have already created a storage volume in DS415+, DS1515+, or DS1815+ but the SSDs used as system cache are not installed in Drive Bay 1 or Drive Bay 2, please refer to the following steps to change the configuration:
If you have already created a storage volume in DS415+, DS1515+, or DS1815+ but the SSDs used as system cache are not installed in Drive Bay 1 or Drive Bay 2, please refer to the following steps to change the configuration:
- Do not modify any system settings. Shut down the system normally.
- Remove all drives from the system.
- Install the SSDs into Bay 1 and Bay 2, and the rest HDDs into other drive bays.
- Power on the system.
- Go to DSM > Storage Manager and confirm the status of the storage volume and SSD cache settings.
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