samsung 840 128 GB showing 119 GB only

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nyogisanz

Honorable
Nov 29, 2013
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Hi I just bought Samsung 840 pro SSD 128 GB. I intend to do clean install windows 8 pro 64 bit on it. However when I reached the part that it would ask me where to install the OS, I only see 119 GB not the 128 GB I am expecting. Hope someone could help

Here are my specs

Processor Athlon II X4 630
MOB GA 970A-Ds3p
 
Solution
Beezy
Windows and the manufacturer have slight varying definitions of a "gigabyte". Windows usually recognizes less than the manufacturer claims that is normal. My 64 GB ssd is read as a 55GB
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USAFRet

USAFRet

Titan
Moderator
Mar 16, 2013
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That is absolutely normal.
This is my 128GB Kingston drive:
TAA8Edx.png


You'll be fine.
 
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J

jbtibor

Reputable
Jun 6, 2014
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4,510
In some cases the difference is because of the different units used by manufacturer and Windows.
Windows is using 1GB = 1,024 x 1,024 x 1,024 (1,073,741,824) bytes however some manufacturers use 1GB = 1,000 x 1,000 x 1,000 bytes what is really only 0.931GB so manufacturer's 128GB will result in 119.2 real GB.
http://en.wikipedia.org/wiki/Gigabyte

For SSDs there's another factor what affects the real capacity namely the over provisioning. If you install Samsung Magician you can control over provisioning.
See this article for explanation:
http://en.wikipedia.org/wiki/Write_amplification
 
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