Fujifilm is preparing for the 400TB storage tape

One of the two leading manufacturers of cassette storage, FujiFilm, claims that it will have an advanced technology for magnetic tapes and that by 2030 it will allow a capacity of 400 TB per tape.


Such as reports Fujifilm the use of Strontium Ferrite granules will allow a data density of 224 Gbit per square inch in a tape, which would allow 400 TB disks.

IBM and Sony have already demonstrated 2017 Gbit technology per square inch in 201, with the potential release of technology for commercial production in 2026. Current drives are around 8 Gbit per square inch, but the gap between research and mass production is quite important.

Strontium Ferrite will replace the existing Barium Ferrite LTO tapes. Strontium is in the periodic table a row above Barium, which means it is a much smaller person. This allows the placement of much smaller particles and according to Fujifilm, Strontium Ferrite (iron strontium) allows for higher efficiency while at the same time increasing the particle density compared to Barium Ferrite (iron barium).

In the standard LTO nomenclature, we are currently in LTO-8 where the units have a capacity of 12 TB. The next generations in LTO tend to double the capacity, but here we are talking about the LTO-13 with 384 TB capacity. Commercially, there appears to be a 2,5-year average between two successive LTO standards and their commercialization. See the following table with the progress of the LTO standard:

LTO creation progress
Template Version Trade Length Capacity Speed MB / s Time to fill Material
LTO-1 2000 609m 0,1 TB 20 1h 23l MP
LTO-2 2003 609m 0,2 TB 40 1h 23l MP
LTO-3 2005 680m 0,4 TB 80 1h 23l MP
LTO-4 2007 820m 0,8 TB 120 1h 51l MP
LTO-5 2010 846m 1,6 TB 140 3h 10l MP
LTO-6 2012 846m 2,5 TB 160 4h 20l MP / BaFe
LTO-7 2010 2015 960m 6,0 TB 300 5h 33l BaFe
LTO-8 2010 2017 960m 12,0 TB 360 9h 16l BaFe
LTO-9 2014 2020 24,0 TB 780* 9ω 25λ * BaFe
LTO-10 2014 2022* 48 TB 1100* 12ω 7λ * Ba / SrFe
LTO-11 2017 2025* 96 TB 1800* 14ω 49λ * srfe
LTO-12 2017 2027* 192 TB 2400* 22ω 13λ * srfe
LTO-13 * 2021* 2030* 384 TB * SrFe *
LTO-14 * 2021* 768 TB *
* Unconfirmed / estimated

The current generation LTO-8 cassettes take at least 9 hours and 16 minutes to charge and with the predicted speeds on future discs this will increase even more. Current LTO specifications are LTO-12, and the 400 TB will come with the LTO-13 standard.

Fujifilm states that 400 TB is the limit of Strontium Ferrite, indicating that new materials will be needed to go even further. To be able to compare, we are talking about storage with only 224 Gbit per square foot. Very small compared to mechanical hard drives that exceed 1000 Gbit per square inch today. There seems to be plenty of room here if technologies could converge.

Prices for the current LTO-8 movie are the lowest of all storage media. Depending on the capacity, the prices are about 0,8-1,0 cents per gigabyte. Currently, only Sony and Fujifilm are licensed to develop LTO-8 media, but other companies such as HPE and IBM resell the same models under their own brand names.

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Written by Dimitris

Dimitris hates on Mondays .....

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