You think you're hot bit: Seagate tests 16TB HAMR disk drive | 12/3/2018 | Staff
TaylorShayeTaylorShaye (Posted by) Level 3
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Seagate has been testing a 16TB HAMR hot bit writing disk drive, with 20TB models in its sights.

HAMR stands for heat-assisted magnetic recording and it enables higher disk drive capacities by using smaller recording bits. The only practical way Seagate has found to keep the recorded bit's binary value (magnetic state) stable is by using a material which needs heating to make it writeable.

Laser - Diode - Element - Drive - Heads

A laser diode heating element has been added to the drive's read:write heads and Seagate has been testing these and the recording medium to make sure it's a drop-in replacement for current PMR (Perpendicular Magnetic Recording) drives, with no loss of access speed, drive endurance or data value accuracy.

PMR drives will probably top out at 16TB capacity and be unable to support higher capacities, hence the need for a replacement technology.

Component - Trials - Drive - Testing - Drive

Component trials have gone well enough for full-scale drive testing and the 16TB drive is part of that. Its capacity is 2TB higher than the...
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