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Products => Storage => Topic started by: mindaugas on March 10, 2015, 02:25:35 AM

Title: 2761,3 GB instead of 3TB
Post by: mindaugas on March 10, 2015, 02:25:35 AM
HI,
I got 4  Hitachi Ultrastar 7K4000 HDD 3TB  disks,
but it's shown by buffalo teraStation(TS4400D), that every disk has only 2761,3 GB (each) without RAID.

(http://s8.postimg.org/4basqieqd/2761.png)

Is this hitachi disk or buffalo teraStation issue ?

Terabyte (TB) 1TB = 1024 GB, so I missing about 250*4 ~1TB in the system.

Thanks for help,
Min.
Title: Re: 2761,3 GB instead of 3TB
Post by: Eastmarch on March 10, 2015, 11:07:02 AM
http://en.wikipedia.org/wiki/Binary_prefix#Inconsistent_use_of_units

All drive manufacturers sell drives in SI decimal capacities, whereas most computer OSes report in Binary capacities.

One Decimal Terabyte = 1 Trillion Bytes
One Binary Terabyte (Tebibyte, though this is not a universal nomenclature yet) = 1,099,511,627,776 bytes.

This is a normal situation.
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