F96GB-Froce GS 96 + ASUS M2N-X Plus

Hello, i want to know how reflected to lifetime of F96GB fact that it will work without TRIM? my MB does not have AHCI mode in IDE configuration. Is it possible to safety use SSD with oldest MB like M2N-X plus with nvidia 430 chipset. How much i lost in lifetime work if it work without TRIM under Windows 7