In a message dated 12/17/02 11:47:53 AM, larry.s.f at mindspring.com writes: << It's the standard 2.5" drive. ~ Larry >> it's NOT the width that is the concern, or the size of the drive, it's the actually THICKNESS of the drive that determines if it can fit inside a 2400c laptop. if it was purchased in the past 5 or so years, it is mostly likely thin enough a drive to fit. older drives that are also 2.5 in drives were made THICKER since that was the only option at the time that they were designed. good luck Alan