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2.5 inch SSDs

...
SiliconDrives from SiliconSystems
2.5" SiliconDrives
from Western Digital
the SSD Buyers Guide
flash SSD Jargon Explained
the Top 10 SSD Companies
RAM Cache Ratios in flash SSDs
2010 - 1st Fizz in the SSD Bubble?
3 Easy Ways to Enter the SSD Market
Overview of the Notebook SSD Market
SSD Myths and Legends - "write endurance"
the Problem with Write IOPS - in flash SSDs
Clarifying SSD Pricing - where does all the money go?
After SSDs... What Next? - the next "big thing" in storage will be...
flash SSD ad - click for more info on solid state flash disks
Editor's intro:- In recent years - and upto September 2009 (when search volume for PCIe SSDs surpassed that for 2.5" SSDs) - the 2.5 inch form factor has been hottest part of the solid state disk market - with new oems entering the market every month. At stake are multibillion dollar market segments for 3 of the 4 primary applications described in detail in our SSD Market Adoption Model. These will add up to a $10 billion / year SSD market within a few years.

The 2.5" form factor is the only size which straddles the wide range of SSD application slots.

The technical characteristics of the ideal 2.5" SSD product varies considerably from design slot to design slot (sometimes raw speed, othertimes capacity, reliability, the ability to recover data, or the converse, TCO, initial price or power consumption and even weight). These are often conflicting parameters and cannot be met by any single product. However, the overlap of capability and technology between some high volume applications and the sheer number of oems guarantees a very competitive market - from which users will benefit much sooner than predicted by out of date graph theory projections proposed by classical storage analysts.

Fastest / Highest Capacity 2.5" SSDs?

The fastest 2.5" SSD is the 6Gb/s SAS compatible ZeusIOPS now sampling from STEC. With R/W speeds of 550MB/s and 300MB/s respectively you'll have to wait for a new generation of SATA-3 SSDs or 8Gb/s FC SSDs to get anywhere close to that speed in this form factor using other interfaces.

The highest capacity 2.5" SSD is 1TB - from pureSilicon.
.
Targa Series 4 - 2.5 inch SCSI flash disk
2.5" Removable Military SSDs
from Targa Systems
.
For other form factors see the listings in the Solid State Disks Buyers Guide
2.5" SSD news - selected from all SSD news.........................................
Viking Enters 2.5" SSD Market

Editor:- January 21, 2010 - Viking Modular Solutions today announced it is sampling a range of SAS and SATA compatible SSDs using controllers from SandForce.

Form factors will include:- 1.8", 2.5" and innovative "non-HDD-like" solutions for space constrained and/or rugged applications.

"Today's announcement represents the results of collaboration between Viking Modular Solutions and SandForce for current and future high performance SSD products that target enterprise, storage and multiple other applications requiring superior performance and security," stated Hamid Shokrgozar, President of Viking Modular Solutions. "This joint effort clearly highlights our commitment as an industry leader by continuing to deliver innovative products at practical costs to our customer base."


TweakTown Tests RunCore's "SandForce inside" SSD

Editor:- January 7, 2010 - a benchmark review article in TweakTown.com concludes that RunCore's upcoming Pro V 2.5" SSD - which uses SandForce's SF-1500 SoC is the fastest SATA 2 SSD they have tested.


SMART Samples "SandForce inside" SSDs

Editor:- January 5, 2010 - SMART is sampling the XceedIOPS SATA - SLC and "enterprise grade" MLC flash SSDs in 1.8" and 2.5" form factors - based on the SF-1500 processor from SandForce.

Performance is upto 30K IOPS random read/write. SMART uses a combination of write attenuation technologies to attain a 5-year projected lifetime for its 400GB MLC XceedIOPS SATA model ($2,900 oem qty price) in an environment that demands 250MB/s sustained write and a 40% duty cycle.

"The enterprise SSD market appears to be entering a period of impressive growth. Well-positioned to satisfy the requirements of enterprise deployments, we expect our XceedIOPS SATA SSDs will provide low cost, superior performance, low power, and high capacity flexibility," said Alan Gulachenski, SMART's VP and General Manager, Enterprise Solid State Storage.


2.5" SSD Market Fights Back

Editor:- January 4, 2010 - StorageSearch.com disclosed today that the gap in search volume between PCIe SSDs (most popular form factor) and 2.5" SSDs (#2 form factor) narrowed in December 2009 - rather than widened.

The imminent availability of consumer priced 6Gbps SATA SSDs coupled with growing competition in the 2.5" SAS SSD market has boosted the acceleration ceiling in traditional disk form factors. That provides more reasons for customers to look again at the 2.5" form factor. Reader pageviews for PCIe SSDs were nearly 4x higher than a year ago. Solid State Drives - market research & analysts


A-DATA Joins "SandForce Inside" SSD List

Editor:- December 15, 2009 - A-DATA announced today it has joined the growing roster of SSD makers using SSD SoCs from SandForce.

A-DATA says products are now in the final testing stage and will be previewed at CES next month.

Editor's comments:- I had earlier commented on A-DATA's weaknesses in the enterprise SSD product space. This collaboration with SandForce is intended to fill product gaps in this strategic market.


A-DATA Ships New 2.5" Gamer SSDs

Editor:- December 9, 2009 -A-DATA announced volume shipments of its 2.5" XPG range SATA MLC SSDs optimized for use with Windows 7 TRIM.

Models include:- SX95 (R/W = 230MB/s and 178MB/s) and S592 (R/W = 230MB/s and 170MB/s).


Seagate's 1st SSD - Finally a Real Product

Editor:- December 8, 2009 - Seagate announced details of its Pulsar SSD - a 2.5" SATA SLC SSD with 200GB capacity.

Sequential R/W rate is upto 240MB/s and 220MB/s respectively, R/W IOPS are 30,000 and 25,000 respectively. Aimed at the server market the BER is quoted as 1 sector per 10E16. Seagate says it has been sampling the new drive - its 1st SSD - since September 2009.

Editor's comments:- the remarkable thing about Seagate's 1st SSD is that it took the company so many years to enter the market. Technically - it's unremarkable.

Will it succeed in the market? In my view it would be unrealistic to assume that Seagate's long running dominance in the hard disk market will translate to dominance in SSDs too - because nearly all its potential oem customers have already been evaluating or using SSDs from other sources for upto 4 years.

And even if Seagate's new product succeeds in filling holes in design slots in 2010 - its oem customers can always replace this product with their own designs leveraging the merchant market for SSD controllers & IP.

To succeed in the SSD market - Seagate will have to demonstrateunique mastery in some aspect of SSD technology which customers value. The most attractive area will probably be in the area of reliability.

In recent quarters we've seen a spate of flaky SSDs get to market. This tendency will rise in 2010 as many storage oems decide that shipping untried products is a lower risk to their businesses than losing out on customer mind share. Each bad news story helps companies who have a clean reputation. But as a newcomer to the SSD market Seagate may have to wait years to establish its own reputation.

It's tempting to compare Seagate's entry to the SSD market with Western Digital. But the 2 cases are completely different. When WD acquired SiliconSystems in March 2009 - it got a business which had started marketing SSDs in August 2004. That gives WD's product marketers 5 years of market experience they can talk to customers about - compared to 3 months for Seagate. Nevertheless - being late is better than never.


Micron Samples SATA 3.0 SSDs

Editor:- December 2, 2009 - Micron announced it is sampling 6Gbps SATA MLC SSDs in 1.8" and 2.5" form factors.

Micron's C300 SSD can achieve a read throughput speed of up to 355MB/s and a write throughput up to 215MB/s.

Editor's comments:- Long anticipated in StorageSearch.com's flash SSD Roadmap - it was inevitable that we would be seeing 6Gbps SATA SSDs soon, because several companies have already sampled 6Gbps SAS SSDs which use the same physical interface. It was simply a question of when vendors would judge the market conditions right. (Or pre-announce them first.)


2.5" SSD Market Maintains Growth

Editor:- December 2, 2009 - 2.5" SSD pageviews on StorageSearch.com increased 85% in November compared to the year ago period.

But that wasn't enough for this subject to regain the #1 slot for "most viewed SSD form factor" by our readers.

The #1 subject was again - PCIe SSDs. Proof - if it were needed - that once SSD buyers have bought into the idea of application acceleration - they are prepared to cast aside ties to historic interfaces and form factors and look at the best value for money when considering new projects.

And that leads us to a simple rule of thumb for deciding which are the best types of SSDs to look at first.
  • pre-existing application box (server or notebook) - traditional SSD form factors (2.5", 1.8"and 3.5").
When it comes to rackmount SSDs - the market trends show a much more complex picture.


OCZ Promises "SandForce inside" SAS SSDs

Editor:- November 10, 2009 - OCZ today announced it will launch a new SAS SSD family based on SSD SoCs from SandForce which will probably be previewed at CES in January 2010.

Editor's comments:- for more examples of who else has already announced SandForce based SSDs (and in some cases is already shipping them) see the article - 3 Easy Ways to Enter the SSD Market.


Foremay Ships Fastest 2.5" SATA SSD

Editor:- November 2, 2009 - Foremay announced it is shipping the world's fastest 2.5" SATA flash SSDs.

The SC199 Cheetah Y-Series has R/W speeds up to 290/280 MB/s in 2.5" and 3.5" SATA form factors - which approaches the theoretical speed limit of the SATA-II protocol. It also delivers impressive R/W IOPS of up to 50,000/45,000 respectively.

"It is Avalanche technology that makes the SC199 Cheetah Y-Series the world's fastest SSD drives with SATA interfaces," stated Jack Winters, Foremay's Co-founder and CTO. "Avalanche is not a single technology breakthrough; rather it is a novel technology platform that integrates various patented and proprietary SSD technologies from hardware to firmware and design to manufacturing process, along with engineering synergy from suppliers, partners and customers."


Intel Offers Tool to Retro-Fix Missing Active Garbage Collection

Editor:- October 26, 2009 - Intel joined the growing roster of SSD companies who have announced support for Trim functions.

These benefit flash SSDs which don't have internal fast active garbage collection. The company recommends users install the firmware update and toolbox, and run the Trim function daily to ensure best performance.


pureSilicon Unveils New Military SSDs

Editor:- October 26, 2009 - pureSilicon says it will start shipping its Renegade R2 Series 2.5" SATA SLC flash SSDs later this week.

Sequential R/W speeds are 255MB/s and 180MB/s respectively. IOPS performance is:- 18,000 IOPS random read: (4K) and ; random write: 1,200 IOPS @ 4K) and proprietary SiPher™ data security technology.

The drives are available immediately in a wide range of densities (4GB, 8GB, 16 GB, 32GB, 64GB, 128GB) in a low profile (9.5mm height) 2.5" form factor and -40°C to +85°C operating temperature.

256GB, PATA, 1.8", and encryption versions will start shipping in Q1 2010.

"pureSilicon is dedicated to providing high-performance, rugged storage solutions to the defense, military, industrial, and government markets," said Jason Breakstone, founder and CEO of pureSilicon. "While many SSD manufacturers are focusing their efforts on the mass consumer markets, pureSilicon is committed to designing and delivering technologies that will provide significant benefits to our customers such as full-disk encryption and data declassification methods. Renegade R2 is designed to operate in the harshest conditions."

pureSilicon says the specs it publishes are "steady-state performance" results. These are achieved by performing proper preconditioning, which prepares the drive for real-world usage scenarios and yields realistic performance benchmarks. Other SSD manufacturers claim 'clean' (new) drive performance specifications on a new drive, and users should expect to see performance reductions in real world use as a clean drive settles into its stabilized (steady) state — once the drive is nearing capacity and is consistently performing garbage collection, wear leveling, and bad-block management.


SMART SSDs Selected for Avionics Servers

Editor:- October 20, 2009 - SMART today announced that it has been selected by Harris Corp to provide SSDs for use in its Mass Storage Unit program.

The new MSU, which is part of a larger F/A-18 program, is the first of a new family of avionics file servers.

Harris selected SMART's XceedSecure 2.5" SATA SLC flash SSD for the in-flight file server application. XceedSecure high-performance SSDs range in capacity from 32GB to 256GB and include EraSure® technology, which provides secure erase features that comply with current military data-elimination standards.


Foremay Ships TRIM Compliant SSDs

Editor:- October 15, 2009 - Foremay today announced that its PC166 Leopard W-Series SSDs - designed and tested for compliance with Windows 7 SSD TRIM - are shipping in volume.

With the TRIM function enabled, the SSD can significantly improve sustainable writing speed, as well as prevent writing performance degradation when an SSD is at greater than 50% capacity. "One of the key features of Windows 7 is its support of the TRIM command," stated Jack Winters, Co-founder and CTO of Foremay. "Without this support, we had to implement our proprietary active garbage collection algorithm in our high end solid state drives that are listed as the Fastest SSD. Now I am glad to see that Windows 7 supports TRIM so that we can implement more cost-effective passive garbage collection techniques into the PC166 Leopard WSeries and other Foremay SSDs."

Editor's comments:- all good fast enterprise flash SSDs already had "active garbage collection" - so TRIM makes no difference to those. But (if it works) Microsoft's TRIM - means oems can use slower and cheaper controllers in their PC SSDs - and let the OS do the job.


Data Integrity Challenges in 2.5" flash SSD Design

Editor:- October 12, 2009 - StorageSearch.com today published a new article called - Data Integrity Challenges in flash SSD Design - written by Kent Smith Senior Director, Product Marketing, SandForce.

A common theme you will hear from all fast SSD companies is that the faster you make an SSD go - the more effort you have to put into understanding and engineering data integrity to eliminate the risk of "silent errors." ...read the article


Foremay Launches SSDs Designed for Mac Market

Editor:- October 6, 2009 - Foremay launched its EC188 Jaguar Series flash SSDs optimized for the Mac market.


New Edition - Top 10 SSD OEMs in Q3 2009

Editor:- October 2, 2009 - StorageSearch.com published the new (10th quarterly edition) of the top 10 SSD oems ranked by storage search volume.

It's a popular barometer of the SSD market and includes - as usual - a commentary for each of the companies listed. The results are widely anticipated by vendors themselves - as it gives a comparative measure of how much attention they are getting in the minds of the most influential segment in the SSD market - which is You - the readers of StorageSearch.com.

It's getting harder for companies entering the top 10 list (and even harder staying in). One reason is there are 3x as many manufacturers of SSDs as there were just 2 years ago. And that will accelerate in the coming year - because it's easier now to enter the market.


PCIe SSDs Snatch #1 Storage Search Crown

Editor:- September 24, 2009 - StorageSearch.com disclosed today that search volumes for PCIe form factor SSDs have surpassed that for 2.5" SSDs for the 1st time.

"This is a tsunami warning event for SSD vendors addressing the enterprise server acceleration market" said Zsolt Kerekes, editor of StorageSearch.com.

"In the 25 years that I've been involved in the enterprise storage - there were just 3 great waves of user mass adoption for new disk form factors - starting with 8.5", moving onto 5.25", then 3.5" and finally 2.5".

"In contrast, after 3 decades of sleepy stealth mode development the SSD market is now streaming ahead on SSD time. Users have woken up to what the SSD market can do for their servers - and for new systems they don't want to plow through their data fields dragged down by the clutter and dead weight baggage of the rotating disk peddlers. A year ago interest in 2.5" SSDs was an order of magnitude higher than PCIe SSDs. Both have grown in search volume - but PCIe SSDs seem to have captured the imagination of this market to a degree which only its most optimistic supporters would have predicted."


Intel Walks the SSD Notebook Talk

Editor:- September 14, 2009 - Intel has published a case study about the productivity benefits of using SSDs instead of hard drives in business notebooks.

Following an internal evaluation Intel says it will deploy up to 10,000 SSD notebooks this year to its own employees.

Despite the higher cost of SSDs - Intel concluded that the case for replacing notebook HDDs (which averaged 4.9% annual failure rate according to its own experience) - was "compelling". ...read the article (pdf)


Pliant Samples Fast 2.5" 3.5" SAS SSDs

Editor:- September 14, 2009 - Pliant Technology started sampling its Lightning family of 2.5" (150GB) and 3.5" (300GB) skinny flash SAS SSDs.

The SLC drives deliver R/W rates upto 525/340MB/s and 160,000 IOPS (for a 90% R, 10% W mix).

"The exceptional performance and reliability features of Lightning Enterprise Flash Drives allow IT managers to address the most significant challenges they're facing today, namely, keeping up with continually increasing storage demands with fixed budgets, limited data center floor space and the ever growing cost of power," said Amyl Ahola, CEO of Pliant Technology.


Tom's Hardware Reviews an SSD Dozen

Editor:- September 7, 2009 -Tom's Hardware has published a performance review of a dozen disk-form-factor (1.8" & 2.5") flash SSDs.

Most exceeded 200MB/s R/W throughput. No unpleasant surprises were reported.

The link, above, takes you to the end of the article - which contains the useful summary. Alternatively you can read the article (from the beginning)
2.5 inch SSD OEMs Directory © STORAGEsearch.com
manufacturer interface(s)
AboUnion IDE / SATA
ACARD Technology SATA
Active Media Products SATA
A-DATA SATA / USB
Adaptec SATA
Adtron IDE / SATA
Advanced Media / RITEK / Traxdata ATA / SATA
Apacer SATA
Afaya SATA
Altec ComputerSysteme IDE
APRO SATA
Barun Electronics SATA
BiTMICRO Networks ATA / SATA / SCSI
Cactus Technologies IDE
Corsair SATA
CoreSolidStorage IDE / SATA
DTS SATA
Foremay SATA / PATA
GalaxyStor IDE
G.Skill SATA
Hagiwara Sys-Com IDE / SATA
Hynix Semiconductor oems Mtron
IEI Technology IDE
Imation oems Mtron
InnoDisk SATA
Intel SATA
KingFast PATA / SATA
KingSpec PATA / SATA
Kingston Technology rebrands Intel's fast SSDs
MagicRAM PATA / SATA
MemoCom PATA / SATA
Memoright IDE / SATA
Micron / Crucial SATA
Mtron PATA / SATA
Mushkin SATA / USB
Myung Information Technologies IDE / SATA
OCZ Technology Group SATA / SAS
Patriot Memory SATA
Phison Electronics SATA
Pliant Technology SAS
PNY Technologies IDE / SATA
Pretec Electronics IDE
PQI IDE / SATA
pureSilicon SATA
RunCore IDE / SATA
Samsung Electronics PATA / SATA
SandForce SATA
SanDisk IDE / SATA
Sans Digital SATA - 2 x CF card to 2.5" converter
Seagate SATA
Sharkoon SATA - 6 x SDHC card to 2.5" converter
Silicon Power PATA /SATA
SiliconSystems PATA /SATA
SMART Modular Technologies PATA / SATA
Solidata SATA
Soliware SATA
STEC FC / PATA / SATA / SAS
Sun Microsystems SATA
Super Talent Technology SATA
Swissbit SATA
Targa Systems Division SATA, SCSI / USB / GbE
TDK SATA
Team Group IDE
Toshiba SATA
Transcend Information IDE / SATA
Trident Space & Defense IDE / SATA
Unigen IDE
Walton Chaintech PATA / SATA / USB
Western Digital PATA /SATA
Wintec PATA /SATA
.
click to see profile and editor's analysis for Intel
SSD Bookmarks

suggested by - Kevin T Crow, NAND Solutions Group, Intel
Here's an article written by or about Intel

Enterprise-wide Deployment of Notebook PCs with Solid-State Drives

Kevin says he chose this article because "It will give the reader an overview of the benefits experienced by the enterprise after deploying notebooks with solid state drives."

The article is a case study about the productivity benefits of using SSD based notebooks instead of hard drive notebooks inside an enterprise (Intel). Following an internal evaluation Intel found the benefits so "compelling" that it decided to deploy up to 10,000 SSD notebooks to its own employees.

Other SSD article suggestions...

The SSD Relapse: Understanding and Choosing the Best SSD - published by AnandTech

Kevin says "This is the latest in a long series of reviews that compare solid state drives and discusses the technology behind them. Overall the series does a very good job educating the reader on what they need to know when making a solid state drive purchase decision."

Editor:- thanks Kevin for sharing your SSD links.

see also:- Intel - editor mentions on STORAGEsearch.com
.
more SSD related articles

SSD news
SSD Bookmarks
the Fastest SSDs
the SSD Buyers Guide
SSD Jargon Explained
Tuning SANs with SSDs
After SSDs... What Next?
Flash SSDs / RAM SSDs
What's a Solid State Disk?
the Top 10 SSD Companies
Introducing the 1" SSD Market
Increasing Flash SSD Reliability
Why I Tire of "Tier Zero Storage"
Data Recovery from Flash SSDs?
RAM Cache Ratios in flash SSDs
How Solid is Hard Disk's Future?
Can you trust your flash SSD specs?
Is the SSD Market Recession-Proof?
3 Easy Ways to Enter the SSD Market
2009 - Year of SSD Market Confusion
30 Years of SSDs - SSD Market History
Overview of the Notebook SSD Market
Why Seagate will Fail the SSD Challenge
the 10 biggest storage companies in 2012?
Are MLC SSDs Safe in Enterprise Apps?
SSD Myths and Legends - "write endurance"
RAM SSDs versus Flash SSDs - which is Best?
Flash Memory vs. Hard Disks - Which Will Win?
Using SSDs to Boost Legacy RAID Performance
3.5" Terabyte SSDs with Gigabyte / S Performance
Hybrid Storage Drives - winners, losers and maybes
Flash vs DRAM Price Projections - for SSD Buyers
War of the Disks: Hard Disk Drives vs. Flash SSDs
SSDs Pushing the Envelope in Blade Server Design
How Bad is - Choosing the Wrong SSD Supplier?
Z's Laws - Predicting Future Flash SSD Performance
Why Consumers Can Expect More Flaky Flash SSDs!
Fast Purge flash SSDs - when "Rugged SSDs" won't do the job
Calling for an End to Unrealistic SSD vs HDD IOPS Comparisons
the Most Popular Products on StorageSearch.com - (2007 to 2009)
click for more info about Solidata fast IOPS 2.5" SATA skinny MLC flash  SSD
fast 2.5" SATA MLC flash SSDs
270MB/s write speed, 35,000 write IOPS
from Solidata
.
Adtron industrial grade  flash solid state disk
2.5" 128GB industrial PATA SLC flash SSDs
from Adtron
.
click to see more info about SSDs from Kingfast
1.8", 2.5" & 3.5" flash SSDs
for consumer, industrial, enterprise & rugged apps
from KingFast
.
Fusion-io fast SSDs - click for more info
world's fastest production PCIe SSD
from Fusion-io
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2.5"   flash SSDs  from Memoright
2.5" 128GB flash SSDs
800 write IOPS - from Memoright
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click for more info - the fastest - 2.5" SATA flash SSD
Platinum M-Cell SSD
the fastest - 2.5" SATA flash SSD
from DTS
.
Trident SSDs
advanced rugged solid state drives
from Trident Space & Defense
.
the Fastest Solid State Disks

Speed isn't everything, and comes at a price.
But if you do need the speediest SSD then wading through the web sites of over 140 current SSD oems to find a suitable candidate slows you down.

And the SSD search problem will get even worse.
the Fastest Solid State Disks
I've done the research for you to save you time. And this page is updated daily from storage news and direct inputs from oems. ...read the article,
.
Z's Laws

Predicting Future Flash SSD Performance
A reader asked me a very good question.

"Is there an industry roadmap for future flash SSD performance?"

That prompted other questions like...
  • How fast are flash SSDs going to be in 2009?, 2010? or 2012?
  • What are the technology factors which relate to flash SSD throughput and IOPS?
  • How close will flash SSDs get to RAM SSD performance?
There wasn't a simple answer I could give at the time. Clues lay scattered all across this web site and in my many one on one discussions with readers about the market...
But I agreed there should be a single place on the web where these answers could be found.

Forget Moore's Law. That gives you the wrong answer, and this article explains why. ...read the article

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