as per the gigabyte section in the tweaktown forum, you can mod a bios and replace the intel rst rom with the latest 11.5 rom and have trim on raid-0 with ssd on any ich9r/10r + raid setup. using same on ymx58-ud4p with a mod 14p bios - confirmed trim is working. using 2x adata sx900 256gb in raid-0 with trim enabled. using the beta 12 rst drivers with windows.