For many years (since 10.6.8 maybe), the IOAHCIBlockStorage.kext driver in the OS X only allows TRIM to be enabled on Apple SSD. Such behavior blocks all 3rd party SSD to enable this essential technology while running OS X. Although it was possible to patch the IOAHCIBlockStorage binary to force enable TRIM on… Read moreHOW OS X open the gate for TRIM on 3rd party SSD