WD's official spec sheet
says 113MB/sec. Note however, that this is the maximum
transfer rate, not the average. The speed will range from that rate at the outermost tracks to perhaps about 60MB/sec when the heads are positioned at the innermost tracks.
Yes i know , benchmark both drives,(same model,amount of data),empty or not ,same results.
Going to RMA on monday.thak you sminlal