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*Has been proposed for merging. The merging should be discussed, tag cannot be removed before it is discussed. ] 09:11, 11 October 2006 (UTC)
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This article now has Category:Solid-state computer storage media. It still needs the other tags. ] 01:51, 10 November 2006 (UTC)
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{{Merged from|Disk on module|July 21, 2014}}
{{Merged from|History of solid state drives|August 5, 2015}}
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== No a constructive use of language. ==


The sentence "Now a days are also available in the market to make sure it's availability for all PC/Laptop users." is not a constructive use of English as a language... Nowadays, its, dubious reference unclear what the message of this statement should be, if any. <!-- Template:Unsigned IP --><small class="autosigned">—&nbsp;Preceding ] comment added by ] (]) 20:45, 14 December 2020 (UTC)</small> <!--Autosigned by SineBot-->
==Merge completed==
The merge was advertized on one talk page for 3 months (Oct 2006) with no objections, and agreed 5-0 on the other. I have therefore merged them fully, see ]. ] <sup><span style="font-style:italic">(] | ])</span></sup> 01:34, 18 January 2007 (UTC)


== This article desperately needs to be updated ==
== "For example, some x86 architectures have a 4 GB limit" ==


Title.
I thought ALL x86 architectures had a 4GB limit because that's the limit of combinations of a 32bit memory address, wasn't that one of the prime reasons for switching to 64bit standard.--] 14:57, 8 February 2007 (UTC)


From what I've seen, here are a few things that have changed since 2017/18:
== "First company" ==
* Average SSD price is usually about 25c per gigabyte or even less on cheaper models, like QLC or SATA drives
* 120GB SSDs are practically impossible to find today. The minimum size that can be easily found today is 256GB, which itself has become increasingly rare
* SSDs can commonly be found up to 8TB, or in rare cases 16TB
* No modern consumer SSD has a data throughput of 200MB/s, where'd that come from? Typically, the minimum is 600MB/s (for SATA drives). As for the maximum, that's hard to say. My drive reaches 6-10GB/s write speeds often, and read speeds are nearly double that, sometimes hitting 16GB/s which is the maximum throughput for the modern NVMe standard if I'm not mistaken. On average, however, it seems that the max write speed is 4-6GB/s. Unsure about read speeds
* Fragmentation is a problem on basically every single modern FS. However, NTFS is just an extreme case. All filesystems fragment, but usually aren't as bad as NTFS


Well there it is. This is, of course, only my personal findings, but I can try and find actual sources for these if necessary. Some stuff could also have better clarification and wording but that's unrelated I guess. ] (]) 20:03, 15 December 2020 (UTC)
The section on history was both inaccurate and remains full of holes.


I've seen some drives cost less than 10 cents per gigabyte. Still, the thing about 30 cents per gigabyte on average is definitely inaccurate. ] (]) 19:32, 25 December 2020 (UTC)
The first company to launch a flash-based solid state drives did certainly not do so as late as 1995, since Psion PLC was already selling its "SSD" units from 1989 onwards. See for example http://3lib.ukonline.co.uk/historyofpsion.htm


I think the Linux section might be outdated as well, since on my modern installation the default scheduler is one optimized for SSD usage. ] (]) 16:04, 30 October 2021 (UTC)
I have no idea who was the first company to do so, but Psion sold "solid state" drives from 1984. The earlier ones were UV-EPROMs or battery-backed static RAM, with flash models introduced later. <small>—The preceding ] comment was added by ] (] • ]) 21:19, 24 February 2007 (UTC).</small><!-- HagermanBot Auto-Unsigned -->


I absolutely agree that this article needs to be updated. From my point of view, for example, the missing developments since 2017/18 and the years before in the field of SSDs can be added for example as follows: Actual replacement of HDDs by SSDs started maybe in 2010, when at the same time HDD unit shipments peaked at about 650m units. By 2014 roughly 40m SSDs where sold compared to about 550m HDDs. Over the next years, serious volume replacement took place and by 2020/2021 there were more SSD units sold than HDDs. ] (]) 13:42, 24 November 2021 (UTC)
== Read/Write Cycles ==


== /r/ requesting to expose samsung 850 / 860 / 870 evo 2.5" drives' technical specs. ==
I'm not sure if this is marketing talk or not, but since there's no source cited in the disadvantages section I think this is apt:


I cannot find microcontroller, cache memory and NAND litography information from the internet.
"Q: Is there currently some sort of technical limitation on the creation of SSDs other than cost, and what about the reliability of flash media?


To the ]. ] (]) 15:23, 27 February 2021 (UTC)
A: Historically SSDs were limited in the number of R/W cycles. However, with modern flash technology and error correction, the reliability of the flash in a PC exceeds 10 years. "


== photos: how big are devices ==
The ] article states a read/write cycle up to 300,000.


It would be nice to see at a glance how big devices in the pictures are.
The ] article states up to 100,000.
Eg include one inch ruler, or USA dime.
Bill ] (]) 16:05, 21 August 2022 (UTC)
: A familiar object would be good. Inches and dimes are unfamiliar to most readers of English Misplaced Pages. Centimetres (or even centimeters) would work just fine. ] (]) 20:59, 21 August 2022 (UTC)
:We could start by adding dimensions to captions. ~] (]) 13:51, 24 August 2022 (UTC)
::If dimensions are added then in conformance with the state of this art, I suggest dimensions be given in mm and converted to inches. I suspect most readers are familiar with both sets but I guess there are far more inch-only than mm-only readers of this English Misplaced Pages. ] (]) 15:31, 24 August 2022 (UTC)


== Linux Buy Telegram members zosmm.com ==
== Read/Write Cycles ==


I absolutely agree that this article needs to be updated. From my point of view, for example, the missing developments since 2017/18 and the years before in the field of SSDs can be added for example as follows: Actual replacement of HDDs by SSDs started maybe in 2010, when at the same time HDD unit shipments peaked at about 650m units. By 2014 roughly 40m SSDs where sold compared to about 550m HDDs. Over the next years, serious volume replacement took place and by 2020/2021 there were more SSD units sold than HDDs. BenediktKlaas (talk) 13:42, 24 November 2021 (UTC)
The claim that was on this page that endurance is not a problem, with the reference to storagesearch, is incorrect. It is true that if the hard disk were overwritten as a whole, over and over and over again, it would last a very long time. The problem is that's not a common access pattern. Under GNU/Linux, if you're running a web server, /var/log/apache/access.log will get written with each access. If you're getting an access once every second, that means you're overwriting the same spot on the hard disk 86,400 times per day, and your SSD fails after 2-3 days tops (real-world Flash gets 100,000 write cycles typically, and 300,000 on the high-end. 1-5 million are slightly exaggerated marketing figures, and at least the high-end of that is not actually achieved with today's technology). With a desktop GNU/Linux box, there are log files that get written many times per day. Access times get marked on common files every couple of minutes at most. Similar issues exist with Windows. Flash drives used naively will fail after at most a few months use on the desktop. Many embedded network devices come with Flash for log files, but the Flash is a replaceable part, and typically wears out after some use and needs to be replaced.
] (]) 14:15, 24 April 2023 (UTC)


== Tidbits eliminated in the article ==
I've seen both the desktop and the embedded failures occur (on the desktop, with a naive user, using a CF-IDE converter, and in the embedded case, replacing Flash was just standard maintenance). I haven't seen the server case occur, because all the sysadmins I know using SSDs are intelligent enough to manage the endurance issues.


Greatest storage limit of solid-state drives.
The failures can be mitigated through the use of intelligent software. OLPC spurred the rapid development of Flash-optimized files systems for GNU/Linux. These intentionally stagger writes over the whole drive, so that no single block gets worn down. Hybrid Flash/non-Flash drives use the Flash as a cache, and again, can intelligently manage the part of the Flash that gets used with each write. All-Flash drives have their place, and can be managed to not fail, but the endurance issue does occur, and does need to be managed. Many SSDs have firmware to manage this, but many of the SSDs I have dealt with do not. It is an issue the user needs to be aware of. I have corrected the page to reflect that. ] 21:32, 4 June 2007 (UTC)


IDE, 2.5 inch: 1 TB (Renice Technology)<br>
== Merging RAM disc article ==
SATA, 2.5 inch: 15.36 TB (TeamGroup)<br>
M.2 SATA: 2 TB (Western Digital)<br>
M.2 NVMe: 8 TB (Sabrent)


==Misnomer?==
I am against it, as RAM discs are different. SSDs use non volatile memory. RAM is not non volatile. --] <sup>]</sup> 16:35, 7 June 2007 (UTC)
Isn’t the very term “solid-state drive” an oxymoron; I mean isn’t the distinguishing characteristic of solid-state storage devices that they got rid of the mechanical drive mechanism altogether..  —] (]) 02:04, 23 November 2024 (UTC)

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The contents of the Disk on module page were merged into Solid-state drive on July 21, 2014. For the contribution history and old versions of the redirected page, please see its history; for the discussion at that location, see its talk page.
The contents of the History of solid state drives page were merged into Solid-state drive on August 5, 2015. For the contribution history and old versions of the redirected page, please see its history; for the discussion at that location, see its talk page.
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No a constructive use of language.

The sentence "Now a days external SSD drives are also available in the market to make sure it's availability for all PC/Laptop users." is not a constructive use of English as a language... Nowadays, its, dubious reference unclear what the message of this statement should be, if any. — Preceding unsigned comment added by 37.211.78.249 (talk) 20:45, 14 December 2020 (UTC)

This article desperately needs to be updated

Title.

From what I've seen, here are a few things that have changed since 2017/18:

  • Average SSD price is usually about 25c per gigabyte or even less on cheaper models, like QLC or SATA drives
  • 120GB SSDs are practically impossible to find today. The minimum size that can be easily found today is 256GB, which itself has become increasingly rare
  • SSDs can commonly be found up to 8TB, or in rare cases 16TB
  • No modern consumer SSD has a data throughput of 200MB/s, where'd that come from? Typically, the minimum is 600MB/s (for SATA drives). As for the maximum, that's hard to say. My drive reaches 6-10GB/s write speeds often, and read speeds are nearly double that, sometimes hitting 16GB/s which is the maximum throughput for the modern NVMe standard if I'm not mistaken. On average, however, it seems that the max write speed is 4-6GB/s. Unsure about read speeds
  • Fragmentation is a problem on basically every single modern FS. However, NTFS is just an extreme case. All filesystems fragment, but usually aren't as bad as NTFS

Well there it is. This is, of course, only my personal findings, but I can try and find actual sources for these if necessary. Some stuff could also have better clarification and wording but that's unrelated I guess. Swirl0 (talk) 20:03, 15 December 2020 (UTC)

I've seen some drives cost less than 10 cents per gigabyte. Still, the thing about 30 cents per gigabyte on average is definitely inaccurate. Swirl0 (talk) 19:32, 25 December 2020 (UTC)

I think the Linux section might be outdated as well, since on my modern installation the default scheduler is one optimized for SSD usage. 46.142.185.73 (talk) 16:04, 30 October 2021 (UTC)

I absolutely agree that this article needs to be updated. From my point of view, for example, the missing developments since 2017/18 and the years before in the field of SSDs can be added for example as follows: Actual replacement of HDDs by SSDs started maybe in 2010, when at the same time HDD unit shipments peaked at about 650m units. By 2014 roughly 40m SSDs where sold compared to about 550m HDDs. Over the next years, serious volume replacement took place and by 2020/2021 there were more SSD units sold than HDDs. BenediktKlaas (talk) 13:42, 24 November 2021 (UTC)

/r/ requesting to expose samsung 850 / 860 / 870 evo 2.5" drives' technical specs.

I cannot find microcontroller, cache memory and NAND litography information from the internet.

To the List of Samsung Solid-State-Drives. 0dorkmann (talk) 15:23, 27 February 2021 (UTC)

photos: how big are devices

It would be nice to see at a glance how big devices in the pictures are. Eg include one inch ruler, or USA dime. Bill W102102 (talk) 16:05, 21 August 2022 (UTC)

A familiar object would be good. Inches and dimes are unfamiliar to most readers of English Misplaced Pages. Centimetres (or even centimeters) would work just fine. Dondervogel 2 (talk) 20:59, 21 August 2022 (UTC)
We could start by adding dimensions to captions. ~Kvng (talk) 13:51, 24 August 2022 (UTC)
If dimensions are added then in conformance with the state of this art, I suggest dimensions be given in mm and converted to inches. I suspect most readers are familiar with both sets but I guess there are far more inch-only than mm-only readers of this English Misplaced Pages. Tom94022 (talk) 15:31, 24 August 2022 (UTC)

Linux Buy Telegram members zosmm.com

I absolutely agree that this article needs to be updated. From my point of view, for example, the missing developments since 2017/18 and the years before in the field of SSDs can be added for example as follows: Actual replacement of HDDs by SSDs started maybe in 2010, when at the same time HDD unit shipments peaked at about 650m units. By 2014 roughly 40m SSDs where sold compared to about 550m HDDs. Over the next years, serious volume replacement took place and by 2020/2021 there were more SSD units sold than HDDs. BenediktKlaas (talk) 13:42, 24 November 2021 (UTC) Buy Telegram members 2A02:E0:8738:7900:1DB0:F151:816E:4762 (talk) 14:15, 24 April 2023 (UTC)

Tidbits eliminated in the article

Greatest storage limit of solid-state drives.

IDE, 2.5 inch: 1 TB (Renice Technology)
SATA, 2.5 inch: 15.36 TB (TeamGroup)
M.2 SATA: 2 TB (Western Digital)
M.2 NVMe: 8 TB (Sabrent)

Misnomer?

Isn’t the very term “solid-state drive” an oxymoron; I mean isn’t the distinguishing characteristic of solid-state storage devices that they got rid of the mechanical drive mechanism altogether..  —Arrandale Westmere (talk) 02:04, 23 November 2024 (UTC)

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