S.M.A.R.T.s.m.a.r.t. is also known as Predictive Failure Analysis (PFA), which is used in IBM technology, while Compaq, the first to implement this technology, calls it Drive Failure Prediction (DFP).

• 又称为预测性故障分析(PFA)的；即使用IBM的技术；而康柏；率先实施这一技术；称之为传动故障预报(尺度).