SSD-TRIM-support.md

For DSM 7.3 and later Synology have disabled SSD TRIM on unverified SSDs.

• Technically the change was in the Storage Manager 1.0.0-01026 package but only DSM 7.3 and later have Storage Manager 1.0.0-01026.

Enable SSD TRIM

• https://kb.synology.com/en-global/DSM/help/DSM/StorageManager/volume_ssd_trim?version=7

2.5" SATA SSD compatability - expand each one to check if TRIM is supported

• https://www.synology.com/en-global/compatibility?search_by=category&category=hdds_no_ssd_trim&filter_type=2.5%22%20SATA%20SSD&p=1&change_log_p=1

Models that don't support TRIM (checked in DSM 7.2.1)

DS116
DS119j
DS120j
DS216
DS216j
DS216play
DS218j
DS220j
DS223j
DS416
DS416j
DS416slim
RS217
RS816

M.2 drive TRIM support

DSM 7.1.1. has no SSD TRIM setting for M.2 storage pools

DSM 7.2 and later:

RAID Type	TRIM Supported
SHR	yes
SHR-2	yes
RAID 1	yes
Basic	yes
JBOD	yes
RAID 0	NO
RAID 5	yes
RAID 6	yes
RAID 10	yes
RAID F1	yes