As I know, the P8SCT and P8SCi use Intel ICH6R for its 4-port SATA controller, but why doesn''t the P8SCi board support Raid10?
The P8SCi uses an Intel ICH6R firmware that only supports Raid0 and 1, but the P8SCT uses an LSI ICH6R firmware that support Raid0, 1, 10.