About Capacity:

Hard disk vendors are using decimal arithmetic: 1MB = 1000KB, 1G = 1000MB calculated.

but the operating system is using binary arithmetic: 1MB = 1024KB, 1GB = 1024MB.

Therefore, there are some differences between display capacity and nominal capacity of hard disk products. However, this is allowed to exist. Please do not doubt his authenticity.

40 GB=about 37GB

60 GB=about 55GB

80GB=about 74GB

120GB=about 111GB

160GB=about 149GB

250GB=about 232GB

320GB=about 298GB

500GB=about 465GB

640GB=about 595GB

1TB=about 930GB

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