Tag Archives: GB

Gigabyte to Terabytes

For fun, here is a comparison of some old storage media with something in our data recovery lab right now.


On the left is an IBM 3380 ‘direct storage access device’ circa 1980. Capacity: 1 GB. On the right, a RAID recovery on one of our lab workbenches, set up in a couple of storage cases.…

How does HDD store data?

How does HDD store data?Hard disk drives store data on one or more metal oxide platters. These platters spin at a rate of 3600-10,000 revolutions/minute, hold magnetic charges. A read-write head attached to an actuator arm actually floats on a cushion of air, 1-2 micro-inches (one millionth of an inch) above the surface of the platters.…

Glossary of Western Digital Hard Disk Drive (Letter G)

GB Gigabyte. WD defines a gigabyte as 1,000,000,000 (one billion) bytes or 1000 (one thousand) megabytes.

GMR Giant magnetoresistive. An advanced form of head technology.

GPL General Public License. Free software license which grants recipients rights to modify and redistribute the software which would otherwise be prohibited by copyright law.

GPS Global positioning system.…