Toshiba introduces 8TB hard drive MN08ADA800 and tags it with 550TBW endurance

by Hilbert Hagedoorn on: 11/18/2021 09:35 AM | source: fieldlake | 14 comment(s)

Meet Toshiba's 3.5-inch 8TB hard disk drive for corporations, capable of withstanding continuous driving 24 hours a day, 365 days a year.

A SATA3.0 (6Gbps) interface, a 7,200rpm rotational speed and 256MiB buffer capacity are all included. The mean time between failures (MTBF) is 3 million hours, the workload per year is 550TB, and the product guarantee is for five years is included. The product warranty is for five years. The external measurements are 101.85 mm in width, 147.0 mm in depth, 26.1 mm in height, and the weight is 700 g. The power usage is 5.61 watts (W).

It's interesting that Toshiba is listing an HDD with a TBW value. Also interesting is that it is listed as a Fieldlake Toshiba HDD, not Kioxia. The product series will be available at the very least in Asia, the Japan region.

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Mufflore
Senior Member

Posts: 13560
Joined: 2010-05-22

#5966136 Posted on: 11/18/2021 07:41 PM

If the drive can sustain an average 200MB/s, it will take 31 days of sustained max write speed to complete its rated 550TBW endurance.
While this isnt a situation that will occur under almost any circumstance, it outlines the worst case which you can work from.

ie
your business will fill the drive (or equivalent) once for each 50 full 8TB of reads, all maxing the drive speed continuously. A pretty outlandish hardcore use.
This will meet the endurance rating in a bit over 50 months, just over 4 years.
In reality 550TBW will hardly ever be met in 10 years by which time it will have been replaced.

Also,
The above isnt worst case, the drive can be expected to receive far worse punishment than sustained writes with very little seeking.
550TBW with all the seeking a database server will encourage, as will be its design scope, shows the drive will be pretty hardcore.

If it is proven to withstand its rating this drive is rather good!
It should easily exceed the 5 year warranty.
Lets hope its transfer rates are high too.

Glottiz
Senior Member

Posts: 620
Joined: 2006-11-18

#5966192 Posted on: 11/18/2021 11:33 PM

Is this supposed to be impressive? Samsung 870 QVO 8TB is rated for 2,880 TBW and it's only QLC nand. But most importantly HDD and SSD speeds are world apart. Hard drives are like dinosaurs.

Mufflore
Senior Member

Posts: 13560
Joined: 2010-05-22

#5966238 Posted on: 11/19/2021 04:53 AM

Is this supposed to be impressive? Samsung 870 QVO 8TB is rated for 2,880 TBW and it's only QLC nand. But most importantly HDD and SSD speeds are world apart. Hard drives are like dinosaurs.

Odd someone has to explain this for you.

kill007
Senior Member

Posts: 1146
Joined: 2004-07-07

#5966245 Posted on: 11/19/2021 05:40 AM

Is this supposed to be impressive? Samsung 870 QVO 8TB is rated for 2,880 TBW and it's only QLC nand. But most importantly HDD and SSD speeds are world apart. Hard drives are like dinosaurs.

errrrr.......

Espionage724
Senior Member

Posts: 487
Joined: 2020-08-21

#5966246 Posted on: 11/19/2021 05:50 AM

Not sure what the TBW is, but I've had a Toshiba 8TB NAS HDD for a few years now :p

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