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SSD in RAID not supporting TRIM

Question asked by ravewonder on Apr 17, 2017
Latest reply on Apr 20, 2017 by ravewonder

I have a Ryzen 7 1700X running on a MSI X370 GAMING PRO CARBON AM4 Motherboard, I have 4 Hard Drives 2 of them are SanDisk SD8SN8U-512G-1122 X400 and I have them in RAID 0 the other 2 are a 4 and 2TB Seagate BarraCuda HDD. My problem is when I try to run TRIM using Windows 10 defrag utility it performs a defrag not a TRIM, when I use the Sandisk software TRIM is greyed out. I have made sure TRIM is set in Windows 10 to "fsutil behavior set DisableDeleteNotify 0" so it is enabled but it performs a defrag not a TRIM. Now I had this same configuration on my i7 6700k system and with the same drive configuration and it did work and in the Sandisk software TRIM was not greyed out. Am I missing something on the initial setup that is preventing TRIM from working properly.