What units are hard drive measured in?

Answer 1

Bytes. A 300 gigabyte hard drive has 300 billion bytes of data it can store.

Kilobyte(KB) = 1000 bytes

megabyte(MB) = 1 million bytes or 1000 kilobytes

gigabyte(GB) = 1 billion bytes or 1000 megabytes

terabyte(TB) = 1 trillion bytes or 1000 gigabytes

petabyte(PB) = 1 quadrillion bytes or 1000 terabytes

Average hard drives hold around 80 gigabytes to 1.5 terabytes

Answer 2

There could be multiple units of measurement for hard drive speed. There is the spindle speed, which measures how quickly the hard drive head can spin around the platters. Most modern desktop hard drives spin at 7,200RPM. There are higher-end drives that spin at 10,000 or 15,000RPM, but those are primarily for servers. Many modern laptop hard drives still spin at 5,400RPM, but older laptop hard drives spin at 4,200RPM. Another unit of measurement for hard drive speed is the interface speed, which is how fast the hard drive can transfer data to or from the rest of the computer. Most IDE drives are ATA-100 meaning they have a peak transfer speed of around 100MB/sec. A more modern drive would be Serial ATA, or SATA. SATA comes in a few different speeds: SATA-150 (150MB/sec), SATA-300 (300MB/sec), and SATA-3GB (3GB/sec).

Answer 3

The speed is measured in RPM. ---- ---- ---- ---- ---- The speed is measured in RPM. ---- ---- ---- ---- ----

Answer 4

hard drives are called memory which stores data in it.these drives are measured in

1.kb

2.mb

3.gb

4.tb

its terra byte.

Answer 5

Hard drive access time is usually measure in milliseconds or thousandths of a second. A typical hard drive is rated between 4 and 8 Ms.

Answer 6

Hard disk drives are also measured in Revolutions Per Minute or RPM, pretty much the same way the speed of an automobile engine is measured.

Answer 7

RPM's (Revolutions Per Minute)