The SpinPoint M5 series utilizes perpendicular magnetic recording (PMR) technology, and the disk drive design has been optimized to allow ultra-precision adjustment of the head parking ramp position for high-density recording The M5 Series has been developed specifically for portable consumer electronics, where the key to success lies in controlling noise, vibration and power consumption Samsung's SpinPoint M5 hard drives are fifteen-percent quieter and use five-percent less energy than other models with the same storage capacity The low-noise, low-power features are attractive to notebook PC or tablet PCs users
By having just one 160GB platter, this hard drive performs very very well, in transfer speeds, power consumption and noise. It has almost twice the transfer speed of the OEM drive I had in my laptop and it is almost silent. This is the perfect choice if you prefer speed and power economy to space.
EDIT: this review applies to the Samsung SpinPoint M80 HM160HC/HM160GC
Bought this drive to revive an old Tiny laptop with a dead 20gb hard drive. Install & format was a doddle & has ample space for my needs, as this is a second laptop for the kids. It has given it a new lease of life, it now runs much faster than it did originally. I guess ultimately time will tell how reliable it is, not that I'm worried as it's a Samsung product. Excellent value for money, so far, I can't fault this drive.