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industrial SSDs - boring right?
Editor:- June 13, 2017 - For the past 11 years one of the safest assumptions you could make about the SSD market was that if you were looking for excitement and big revenue growth opportunities then the last place you should be looking was the industrial SSD market.

Indeed an important part of flash SSD history is that it started in industrial applications and only became mainstream and interesting - from a financial investor point of view - when flash SSD designers turned their gaze towards other directions like the consumer and enterprise markets.

In fact a good rule of thumb in the exciting days of disruptive change in the SSD market during 2004 to 2016 was that if you knew the capabilities of leading edge industrial SSD products in any one year the picture was probably the same the next year too.

For industrial customers - who were concerned about whether they would still be able to get the same locked BOM SSD 5 to 10 years after choosing it for their long lived design - the reassuringly boring predictability and calm, careful approach to new technology adoption in industrial SSD companies was widely regarded as a virtue compared to other brasher markets.

But there are many reasons to believe that the industrial SSD market will soon become a new attention seeking cauldron of innovation and architecture too.

I describe some of the indicators which brought me to this surprising conclusion in a new blog - not your grandfather's industrial SSD market - on .

SSD ad - click for more info

"SSD is going down! - We're going down!"
Surviving SSD sudden power loss

How committed (really) are these companies
to the military SSD business?
a not so simple list of military SSD companies

SSD history

the SSD bookmarks - suggestions by Cadence

early days of the miniature storage drive market

Efficiency as internecine SSD competitive advantage

In the year 2000 no one caught a cold from the Y2K bug - but 3 things did happen which would shape enterprise server performance for the next 16 years.

1 - hard drives reached the latency limit set by waiting for a 15K RPM rotating platter (they never got faster)

2 - 64 bit processor clock speeds reached almost their maximum clock speeds (they got more cores but the cores didn't get faster)

3 - in the RAM market - the fastest server motherboard memory latencies in 2000 were very similar to what they are today (in 2016)

We all know that SSDs came to the rescue of latency constrained advances in computing which had been stalled by (1) and (2) above.

With some help from software the next target is (3).

Why's DRAM so bad?

Most of us thought that DRAM was the gold standard for latency you can rely on (unlike that cheap flipperty gibbet flash).
DRAM's indeterminate latencies and the virtual memory slider mix - a new blog (March 2016) from

Notes from SSD market history

The product shown below - from M-Systems
(no longer in business) - was the 1st "SSD chip" ad
featured on .

It ran here from April 2004 to February 2006.
DiskOnChip family from M-Systems
DiskOnChip® - flash solid state disks
upto 2G bytes from M-Systems
SSD ad - click for more info

tiny SSDs - this page lists over 35 makers of tiny SSDs

includes - SSD on a chip, PBGA SSD, 1 inch SSD

M.2 SSDs
hybrid DIMMs
flash and other nvm
Surviving SSD sudden power loss
this is not your Grandfather's industrial SSD market
news about tiny SSDs - from SSD History
new industrial single chip PCIe NVMe SSDs from Silicon Motion

Editor:- February 27, 2018 - Silicon Motion today production of 2 new industrial grade single chip PCIe NVMe SSDs.
  • SM689 supports PCIe Gen 3x4 interface in 16mm x 20mm
  • SM681 supports PCI Gen 3x2 interface in 11.5mm x 13mm
Both products can support multiple capacity configurations ranging from 16GB to 256GB and include enterprise-grade advanced data integrity and reliability capabilities.

Longsys showcases tiny NVMe BGA SSDs at FMS

Editor:- August 7, 2017 - Longsys today announced that it will be sampling the industrys first 11.5x13mm NVMe BGA SSDs which support Boot Partitions and the Host Memory Buffer features of NVMe rev 1.3 in Q4 2017.

The new - skinny (DRAM-less) PCIe 3.0x2 SSDs - aimed at the consumer market and being shown in the next few days at the - will be available in capacities from 60GB to 480GB (64-layer 3D NAND ) and use the 88NV1160 controller from Marvell.

As the worlds leading Mini SDP SATA DRAM-less SSD module provider, Longsys has once again made a unique contribution to the storage industry by pioneering the integration of Marvells DRAM-less SSD controller 88NV1160 and the new 64-layer 3D NAND into a 11.5mmX13mm BGA package, said Zhixiong Li, CTO of Longsys.

Editor's comments:- apart from the obvious applications for NVMe SSDs on a chip in the consumer market I think the widespread availability of such devices in 2018 could create new opportunities for disruptive "high availability" BGA array architectures in industrial market too.

new controller enables low latency persistent PCIe memory

Editor:- July 10, 2017 - IP-Maker today announced the release of its new PCIe Gen 3NVMe reference design based on the Xilinx VC709 evaluation kit. IP-Maker has implemented NVMe management as a full hardware IP, able to process it in less than 1S. The company says it has introduced the new IP to support low latency persistent memories on the PCIe bus.

Crossbar samples 8Mb ReRAM

Editor:- January 12, 2017 - A report in - - says that Crossbar is sampling 8Mb ReRAM (its byte writable alt nvm) with R/W latency about 20nS and 12nS respectively and endurance north of 100K cycles.

The 8Mb chips use 40nm CMOS processing and the company plans to offer its nvm IP as cores which can be integrated in SoCs so as to make best use of the low latency.

Crossbar told EE Times Europe that the early customers would be characterizing the new memory and assessing its reliability. This is an important hurdle for any new memory technology to cross before designers can have the confidence to integrate them into commercial products. ...read the article

Mobiveil's Universal NOR Controller Allows SoC Designers to Leverage Adesto's EcoXiP Flash Memory

SSD SoCs controllers
SSD controllers
Editor:- November 30, 2016 - today announced it is working with to enhance the memory in low capacity intelligent IoT systems.

Incorporating Mobiveil's U-NFC controller to control the new Adesto will provide SoC designers an eXecute-in-Place solution that more than doubles the performance of alternative approaches using standalone NOR-Flash memory.

SST qualifies NOR SuperFlash on mixed signal platform

Flash Memory
flash & nvm
Editor:- July 12, 2016 - SST today announced qualification and availability of its low-mask-count embedded NOR NVM on 130 nm BCDLite advanced analog, mixed-signal and RF technology platform.

SST's embedded SuperFlash memory solution requires the addition of only 4 masking steps to enable cost-effective, high-endurance embedded flash for demanding battery-powered applications such as drones, intelligent motor control, and normally-off mobile computing.

new power fail safe file system for tiny memory IoT

Editor:- May 5, 2015 - Datalight today released a preview version of , a power fail-safe file system for which allows developers building IoT devices to reliably store and quickly access data in embedded SSDs. It requires as little as 4KB of RAM and 11KB of code size.

"Designing a file system which met the high reliability standard set by our (high performance) and could fit into tiny microcontroller based systems presented a challenge and I love a challenge," said Jeremy Sherrill, architect of file systems for Datalight. "Reliance Edge offers a rich set of features in a highly efficient architecture."

Reliance Edge can work with a broad array of storage mediaincluding NOR and NAND flash, eMMC, SD/MMC, NVRAM, USB storage, and SATA (or PATA) SSDs. Datalight plans to release new pre-ported kits for other small-kernel OSes over the coming months.

Samsung's new 128GB BGA TLC SSD

Editor:- March 19, 2015 - Samsung today expanded its eMMC product line with a new 128GB BGA TLC SSD aimed at mid-market smartphones and mass market tablets. 3d BGA SSD for phones from Samsung

The new 3 bit device has 260MB/s sequential read performance (similar to MLC eMMC 5.1).

IOPS (5,000 / 6,000) are sufficient to support high definition video.

Microsemi's new BGA SSD

Editor:- March 17, 2015 - Microsemi today introduced its 2nd generation highly secure, rugged 64GB BGA SLC SSD - the MSM064. Features include:-
  • TRRUST-Purge clears encryption key in less than 30mS
PBGA SSDs for rugged apps - click for more info
  • hardware-based self destruct - renders media data forensically unrecoverable in less than 10 seconds
  • anti malicious attack technology
  • no super caps or batteries
  • write protect option for read-only applications

Toshiba shows early version of BGA PCIe SSD

Editor:- January 7, 2015 - Toshiba announced it will showcase a prototype of the worlds first PCIe single package SSD - with up to 256GB in a single BGA package at this week. The NVMe compatible device fits into 16mm x 20mm x 1.65mm and weighs under 1g.

Marvell's new skinny controller will enable BGA PCIe SSDs

Editor:- December 9, 2014 - 3 of the most significant differentiating factors in flash SSD control architecture are:- In the past year or so - we've seen a few companies - whose controller products have long been distinctly at one end of each of the above categories - introduce new designs which can operate in the other. This is a competitive response to the realization that any single architecture is better suited for some applications rather than others and no single design set is best for all markets.

For example - the SandForce SF-3700 - launched last year - added big controller features as an option to its legacy minimalist small architecture configuration mode. And before that - the intrinsically skinny (cache) SF family added support for optional external DRAM cache.

This week Marvell - whose controllers have always until now been firmly in the regular RAM flash cache category - it now has IP which enables it to play a significant part in skinny RAM flash cache designs with 2 new controllers:-
  • Marvell's 88NV1140 - aimed at NVMe PCIe Gen3x1 SSDs - can work with 15/16nm TLC and 3D NAND and needing no external DRAM - will simplify the design of smaller form factors including the capability of BGA PCIe SSDs.
  • Marvell's 88NV1120 - aimed at the embedded SATA SSD market which supports DevSlp - won't by itself create new markets - but will - due to its small footprint and memory support - lower the cost barriers for greater adoption of small SATA SSDs in traditional embedded markets.

Silicon Motion's FerriSSDs

Editor:- March 23, 2014 - FerriSSD (pdf) from Silicon Motion - is a PATA SSD on a chip (BGA) which I learned about from Jonathan Bruce - who suggested it for my article - Inanimate Power, Speed and Strength Metaphors in SSD brands - because - he said - the "Ferri" prefix means "strong or durable".

...Later:- March 31, 2014 - in the same product family - Silicon Motion is now sampling a high performance 6Gb/s SATA FerriSSD - the SM659 (8GB to 64GB capacity, with regular cache, 80,000 random IOPs, and 30K Program/Erase (P/E) cycles) - which fits into a 90-ball BGA package measuring just 16x20x2mm.

Marvell samples 5K IOPS eMMC SSD

Editor:- February 18, 2014 - Marvell today it is sampling a new eMMC 5.0 controller - the 88NV1088 - which enables "SSD class" performance (280MB/s read speed and 5K random IOPS) in a smartphone compatible footprint.

InnoDisk announces production of industrial nanoSSD

Editor:- January 20, 2014 -InnoDisk today announced full scale production of its nanoSSD (a tiny industrial SSD) that conforms to JEDEC's standard ().

Innodisk integrates a flash control chip, NAND flash, and ball grid array (BGA) package to deliver a nanoSSD that requires only about 1% of the volume (16mm x 20mm x2mm) of a 2.5" SSD.

InnoDisk's nanoSSDs has R/W speeds upto 500MB/s and 170MB/s respectively), high shock-resistance, quick erase features, and ATA security.

Greenliant promises 10 years market availability of SLC NANDrive

Editor:- September 17, 2013 - One of the pressures which has been driving embedded SSD designers towards the kind of elaborate controller technologies which enable MLC to operate over the full industrial temperature operating range has been the cost per terabyte - but another has been the open question of whether it will be realistically possible to guarantee sourcing SLC in the future at all - which is why some companies like Virtium have instead got product roadmaps which ensure that future design slots can be filled with identical footprint SSDs which will use whatever future variations of nand flash memory the future market is likely to offer.

That's in contrast to the decades old market practise of stockpiling old technology chips for use in legacy equipment designs which are assembled much later. These longevity assurance programs can get complicated and expensive - and I've even heard of recent cases where SSDs are emulating 1970s vintage floppy drives to keep some expensive machinery running.

There are risks involved in both these approaches (to SSD design socket continuity).

Anyway in a product launch announcement today Chen Tsai, senior VP, manufacturing operations - Greenliant Systems said that ""To address applications with long lifecycles - Greenliant's new (industrial BGA form factor SSDs) will be available up to 10 years through ."

For those in the rugged and military SSD markets - this type of consideration about long term product availability is the usual way of doing business.

That's in stark contrast to the consumer and enterprise SSD markets - in which designers are more interested in the probability that they will be able to get superior (faster and higher capacity) products in future motherboard designs (so long as they are software and interface compatible) - rather than getting exact clones of the original devices to work in the unchanged original motherboards.

new WD hybrid has SanDisk iSSD inside

Editor:- May 7, 2013 - a new 2.5" hybrid for notebooks from WD - called (500GB HDD capacity, 5mm high SATA) - has an from SanDisk inside - it was announced today. The iSSD has 9K/1K R/W IOPS performance and measures 16mm x 20mm x 1.2mm for capacities upto 16GB. Average power consumption is typically 55mW.

Marvell aims at SSD on a chip market

Editor:- January 2, 2013 - Marvell Technology today it has made a strategic investment in Memoright.

As part of the new collaborative agreements Memoright will write firmware for Marvell's eMMC controllers - which will speed Marvell's entry into the tiny SSD market for use in smartphones and tablets.

STEC eyes large market opportunity for small SSDs

Editor:- November 20, 2012 - STEC today published a new blog - why small format SSDs are better than traditional (2.5") in embedded designs.

"...Embedded system designers no longer have to compromise when it comes to storage, and now have true industry-standard SSD-grade options that allow for smaller, lighter and lower-power system designs that deliver all of the benefits of SSD technology at a price they can afford." ...read the article

Samsung makes fast phone 64GB SSDs on 10nm

Editor:- November 15, 2012 - Samsung today announced they've started production of 64GB eMMC SSDs which use 10nm flash geometry.

Aimed at the phone and tablet market - R/W IOPS performance is 5,000 and 2,000 respectively. R/W throughput is 260MB/s and 50MB/s.

Editor's comments:- this shows that when Samsung see a huge enough market opportunity for a specific range of SSDs their engineers are clever enough to design and make it.

temperature related data rot in flash... a new blog by WD

Editor:- July 26, 2012 - A good analysis of temperature affects on flash data integrity can be seen in a recent blog - about intrinsic temperature related data rot in flash SSDs - by Eli Tiomkin, Director, Business Development, WD Solid State Storage who says (among other things) - "Over time, NAND cells may lose enough charge and flip enough bits to overwhelm the ECC capability of the drive controller and cause data loss."

Eli Tiomkin's useful table lets you look up the SSD storage temperature and see how much more quickly the native flash will corrupt - if a suitable controller or healing process isn't in place to detect changes and fix them....read the article

TDK ships new BGA SSD

Editor:- March 21, 2012 - TDK today imminent shipments of a new SATA SLC SSD on chip.

The company's eSSD series provides 1 to 4GB encrypted capacity in a 17mm x 17mm 208-ball BGA package.

Greenliant ships industrial secure SATA NANDrives

Editor:- February 28, 2012 - Greenliant Systems has started volume shipments of its industrial grade rugged SATA SLC SSDs on a chip (BGA - 14mm x 24mm x 1.95mm) - - which have upto 8GB capacity, 70/60MB/s R/W, include zoneable password security and fast erase, and strong power fail data protection.

"The SATA NANDrive GLS85LS product family is backward compatible with the same pin-out across all capacities and temperature ranges - commercial and industrial - giving customers added flexibility when using solid state storage in their designs, said Nobu Higuchi, VP of application engineering and product marketing, Greenliant Systems.

Editor's comments:- I never understood before where the "Green" part in the company's name came from - but it makes sense now - if they're offering a stable chip footpprint across multiple flash generations.

It's surprising are now viable for tiny SSDs.

The Disk on a Chip product concept goes back a long way...

In 1995 - cited DiskOnChip as 1994's most innovative product for embedded systems. In those days it provided 1 to 2 Mbytes of data storage.

Commenting on the (1995) award - Dana Gross, president of M-Systems said - "DiskOnChip represents the innovation and efficiency of M-Systems' technology. This award-winning product has found applications in embedded computer systems, where it provides a highly reliable solution for designs faced with space and power consumption constraints."

Viking ships nv 8GB DDR3 DIMM

Editor:- October 18, 2011 - Viking Modular Solutions said it is shipping an extension of their nv module range.

The plugs into standard RAM sockets and provides 2GB to 8GB RAM which is backed up to SLC flash in the event of a power failure - while the memory power is held up by an optional external 25F supercap pack. Viking says these new memory modules can eliminate the need for battery backup units in servers and the maintenance logistics associated with maintaining them. They are specified as being maintenance free for "5 years @无限彩票app下载 60C".

Editor's comments:- will these new modules replace batteries in RAM SSDs? - I doubt it - because of scalability issues - like managing a spiderweb of 100+ dangly bits of wire when you have a terabyte of RAM. Having said that - there are many applications which only use a small number of memory chips which could benefit from such a product.

See also:- NVDIMMS etc

RunCore samples new SSD chip for smart phones

Editor:- September 12, 2011 - RunCore is sampling a low power SATA SSD chip - in a BGA micro-chip package for embedded apps like mobile phones and tablet PCs.

The rSSD T100 will be available in industrial temperature versions - and includes SMART commands to monitor the life expectancy of the product.

"MCP products will be the next high market demand in the future, and we foresee that this growth will increase exponentially " said , the RunCore's CEO Jack Wu.

Editor's comments:- the 1st "disk on chip" products came to market 17 years ago in 1994. In those days flash controllers were simpler. Wear-out wasn't an issue because of the slow interfaces and high endurance (large geometry) SLC. Today's tiny SSDs (listed in the 1" SSD directory) - have all the same functions inside as regular 2.5" SSDs. Over 30 oems make them - for markets ranging from military systems to phones.

new Emphase SSDs suit small spaces and power budgets

Editor:- June 22, 2011 - Emphase announced a which have been engineered to operate off as little as 0.5 watts max and fit into less than 4mm height.

Capacities range from 1GB to 32GB. R/W speeds upto 120/100MB/s. All S3 Series SATA modules come with a tightly managed BOM and a 5-year warranty, with the option for conformal coating.

Foremay ships 32GB PATA disk on chip

Editor:- March 25, 2011 - Foremay today announced it is shipping 32GB PATA versions of its OC177 SSD Disk on Chip which measures 22 x 22 x 1.8 mm and has R/W speeds of 70 and 40MB/s respectively.

what happens in SSDs when power goes down? - and why you should care

Editor:- February 24, 2011 - today published a new article - SSD power is going down! - which surveys power down management design factors in SSDs. This article will help you understand why some SSDs which work perfectly well in one type of application might fail in others... even when the changes in the operational environment appear to be negligible. ...read the article

Memoright's new 1.2" SSDs

Editor:- December 8, 2010 - Memoright recently launched a new range of 1.2" SATA SSDs with secure erase, 8,000 IOPS, 100/80MB/s R/W performance and upto 64GB capacity.

Greenliant samples SATA BGA SSDs

Editor:- November 8, 2010 -Greenliant Systems has begun sampling SATA compatible variants of its (miniature SSDs).

The new SSDs have upto 64GB capacity in a 14mm x 24mm x 1.85mm 145 BGA. Active-mode power consumption as low as 500mW and a deep power-down mode can reduce this to 10mW. The SSDs have content protection zones and designers can select areas of the storage to protect with fast erase.

"OEMs have recognized the benefits of Greenliant's NANDrive in providing superior reliability, and the addition of SATA-based NANDrive devices provides our customers with more options to choose a compatible SSD that best suits their needs for various market segments and applications," said Bing Yeh, CEO of Greenliant Systems. "While we are currently sampling our new commercial-grade SATA NANDrive products, an industrial-grade version is under development."

ATP launches slim SATA SSD module

Editor:- October 29, 2010 - ATP Electronics launched a with 2GB to 16GB capacity and sequential R/W speeds upto 116MB/s and 102MB/s respectively.

ATP's new SSD module has internal wear-leveling and has drivers for Windows and Linux. Its small size (54mm x39.8mm x4.0mm) makes it a viable replacement for 2.5" SSDs in space constrained embedded applications.

Update on the smallest PATA SSD

Editor:- August 18, 2010 - Micross Components indicated that a future version of its microSSD (the world's smallest PATA SSD - which has a footprint of 14 x 24 x 1.3mm and weighs only 0.8 grams) may be offered with extended operation upto 105 degrees C.

WEDC Launches Secure PATA SSD in PBGA

Editor:- January 18, 2010 - White Electronic Designs has a 4GB secure PATA SLC SSD in a 22mm x 27mm PBGA for embedded military applications.

This product is designed for applications in aircraft, communications and missiles. A hardware and software triggered fast purge can eliminate all data in less than 10 seconds and device options include sanitization compliant with various government agency specifications.

new 无限彩票app下载 page for - SSD SoCs

Editor:- April 7, 2009 - today launched a new directory of merchant market SSD controller vendors.

Hagiwara Unveils CFast Storage Card

Editor:- March 26, 2009 - Hagiwara Sys-Com has extended its range of 1" SSDs - with the launch of the which will ship in Q2.

These industrial grade SSDs are form factor compatible with CF cards, but have a SATA interface. Capacities range from 2GB to 16GB. See also:-

Seagate Still Waiting for Legal Costs Related to Cornice Litigation

Editor:- February 18, 2009 - a report today on Law.com says Seagate is suing its legal insurer for not paying in full the costs incurred in suing Cornice.

SiliconDrive Blade Gets Editor Award in Electronic Design Magazine

Editor:- January 13, 2009 - SiliconSystems announced that its SiliconDrive Blade has been selected as a "2008 Best Electronic Design" technology of the year winner in the embedded small form factor category.

Petite SSD Chip Seeks Reliable Rugged Assignments

Austin, Texas - November 5 , 2008 - Austin Semiconductor, Inc. announces a smaller, more compact 7.5 cm3 (31mm sq x 7.8mm max height) ruggedized SSD.

The SLC flash SSD offers upto 16GB capacity, has an IDE, PIO/4 interface, and MTBF of more than 2 million hours. and is designed for harsh environment operation. ...Austin Semiconductor profile

InnoDisk Announces Smallest SATA SSD

Taiwan - June 2, 2008 - InnoDisk announced the world's physically smallest SATA SSD - the SATADOM - measuring 39mm by 20.5mm by 8mm.

Capacity ranges from 128MB to 8GB. The SLC flash SSD has a sustainable read speed of 24MB/sec and write speed of 14MB/sec. ...InnoDisk profile

STEC Announces Fast 1" SSD

SANTA ANA, Calif - April 21, 2008 - STEC, Inc. announced the MACH4 - a 1" SATA / PATA SSD.

For a small drive - the MACH4 is fast:- with sustained sequential reads upto 90MB/s and writes upto 55MB/s. It's expected to be in mass production at the end of April in capacities up to 32GB. Projected OEM pricing for the 8GB capacity point is $45.

"For the numerous applications which were historically challenged by the severe limitations of 1 inch HDDs, STEC is now offering a much more cost-effective, higher capacity and higher reliability alternative..." said STEC's Patrick Wilkison. ...STEC profile
all SSD news / 30 years of SSD market history
. 1" and smaller storage drives
""He's probably just as scared of us"
SSD ad - click for more info
who makes 1 inch SSDs?
Aitech Defense Systems



ATP Electronics

Austin Semiconductor

Cactus Technologies





Fortasa Memory Systems

Greenliant Systems

Hagiwara Sys-Com











Phison Electronics


Pretec Electronics




Silicon Motion

Silicon Storage Technology

SK Hynix






Transcend Information




Virtium Technology


notes from SSD market history

Austin Semiconductor launched their SSD on chip
in September 2007 and advertised it here on
in 2008

for details click on the links below
SSDoC from Austin Semiconductor - click for more info
Solid State Disk on Chip
from Austin Semiconductor
SSDs - the big picture
Editor:- was the world's 1st publication to provide continuous editorial coverage and analysis of SSDs (in 1998) and in the years which have followed we've led the market through many interesting and confusing times.
click to read the story about why SSDs are taking up so much time on so many web pages If you often find yourself explaining to your VC, lawyer无限彩票app下载 or non technical BBQ guests why you spend so much time immersed in SSD web pages - and need a single, simple, not very technical reference to suggest - this may be the link they need.
Many Years Ago - flashback from storage history
Toshiba Introduces World's Smallest Hard Drive

January 7, 2004 - Toshiba today announced the development of a 0.85-inch hard disk drive, the first drive to deliver multi-gigabyte storage in a sub-one-inch form factor.

Expected to be available in 2GB and 4GB capacities, Toshiba will start sampling the new drive in summer 2004, with mass production to begin in late 2004 Measuring only a quarter of the size of Toshiba's 1.8-inch drive, the 0.85-inch HDD is expected to boost the functionality of a new generation of products, including mobile phones, digital audio players, PDAs, digital still cameras, camcorders and external storage devices.

Toshiba initially plans to introduce capacities of 2GB and 4GB, and anticipates achievement of even higher densities in the 0.85-inch form factor.

A prototype of the 0.85-inch HDD will be shown at Toshiba's booth (#12214) on the CES show floor January 8-11. ...Toshiba profile

...Later:- in January 2011 - over 30 manufacturers now market drives in 1" and smaller form factors - although for economic reasons these are mostly SSDs. The history of this market is described in Introducing the Miniature Storage Drive Market for 1" and smaller SSDs

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