The My Delta Pi webstore

 

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Computers and electronic equipment for hobby, work and laboratory use

 

Welcome to this online store where you can buy computers and all kinds of electronic equipment. Pleace click om a link to learn more or to buy.

 

Good computing networking and accessory stores

Product examples - computers

Product examples - keyboards, printers and peripherials

Batteries and chargers for computers, cellphones and other devices

Main page with hobby electronics and links to all electronics product pages

Information about data store media

 

 

COMPUTERS AND NETWORKING STORES

Computers and networking equipment: Here are presented some good online shops where you can find a lot of data equipment, like: Computers, Dektops, Laptops, Notebooks Tablets, Televisions, DVD Players / Recorders, Home Audio / Video, MP3 Players / iPod Accessories, Satellite Radio, Headphones, Mobile Audio / Video, GPS / Navigation, Home Electronics, Telephones & Fax, Personal Electronics, Electronic Accessories

DinoDirect - a great shop or computers, electronics and other advanced equipment for reduced prizes - This is a general shop where you can find advanced things from many categories for a greatly redused prize. The shop has a huge inventory of computers like netbooks and laptops, computer accessories, networking accessories, batteries, battery adapters, printers, keyboards, mice, perieferials and other electronic items.

 

Economelectronics - a great shop of netbook and laptop computers and all kind of computer periferials - Here is just two of the products, by clicking at these product links you get into the shop either to buy these particuloar computers or browse for all the other products. In the shop you can find products of many brands like Asus, Apple, Acer, IBM, Lenmar, Lenovo, Samsung, Sony, Toshiba.

HP / Pavilion dv6-3040us Notebook / DV63040US

HP / Pavilion dv6-3040us Notebook / DV63040US

HP - Pavilion dv6-3040us Notebook - DV63040US




HP / SMART BUY PROBOOK 4520S I3-380M / XT988UT#ABA

HP / SMART BUY PROBOOK 4520S I3-380M / XT988UT#ABA

HP - SMART BUY PROBOOK 4520S I3-380M - XT988UT#ABA




Toshiba / Portege R700-S1311     / PT310U-01R01Q

Toshiba / Portege R700-S1311 / PT310U-01R01Q

Toshiba - Portege R700-S1311 - PT310U-01R01Q


 

Quality peripherials, computer components and other electronic equipment for good prizes:  Geeks.com is a leading electronic retail site specializing in manifacturer-closeouts of electronic inventory. Here you can find high-demand computer components, peripherals, and consumer electronics at highly-discounted prices. You can also find a lot of unusual computer-ralated equipment that are difficult to find elsewhere.

Great Deals @ Geeks.com!

 

GameSharkStore - Affordable game accessories - All types of equipment for all game-play consoles or bases, like contollers, wheels, joysticks, cables and faceplates.

GameShark Store

 

The source - a great shop for Canadian citicens of computers, cellphones, laptops, audio-video and other electronics - In this online warehouse people in Canada can find cell phones and all other electronic deices for a good prize. The store has departments for: Computers, TV and home entertainment, Audio and MP3, Gaming, Music and electronic toys, Cameras and Camcorders, GPS and travel comodities, Cell phones. Home and office accessories, Batteries, Power and parts.

Low prices on all the latest tech gadgets at TheSource.ca!

 

123InkJets - all types of ink cartridges: Here you can find inkjet cartridges for  good prizes to most ink printers of most brands, examples: Newgen Sys, Next Comp, Nixdor, Nokia, North Atlantic, Northern Telecom, O Top , OCE, Okidata, Olivetti, Olympia, Omnifax, Omniprint, S Top, Sagem, Samsung, Sanyo, Savin, Scan-Code, Selex, P Top, Pacific Data, Panasonic, Philips, Pitney Bowes, Primera Tech, Privileg, Sharp, Siemens, Sony, Spec. Printing Sol, Stielow, Summagraphics, Sun Microsystems, T Top, Tally/Mannesmann, TEC, Tektronix, Telecheck, Telekom, Tidemark.

You also find other accessories like: Laser toner, ribbons, solid ink, blank CD/DVD, scrapbooking and cables

123inkjets - Printer Ink, Toner, and More

 

Batteries for computers and other electronic equipment

All-Battery.com

 

 

Skins and styling products for your computers, phones and for all your other electronic equipment - In this great shop you can find skins and covering accessories to give your electronic devices a personal and nice look.

DecalGirl.com - Personalize Your World!

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Product examples - COMPUTERS

The exhibited products from the above presented and other good sources are only examples. By clicking at the links you get into a shop where you can search for a lot of other desktop or notebook computers.

 

Lenovo IdeaCentre Desktop / Intel Core i7 Processor / 8GB Memory

Lenovo IdeaCentre Desktop / Intel Core i7 Processor / 8GB Memory

This desktop features a 1TB hard drive to provide generous storage space for documents and media files. Get brilliant performance from the Intel Core i7 processor with four multithreaded cores.Windows 7 Home Premium preloaded Which Windows 7 edition is best for you? Compare.Learn more about Intel processors. Information provided by Intel.




Lenovo Mini Dock Plus Series 3 for Select ThinkPad Laptops

Lenovo Mini Dock Plus Series 3 for Select ThinkPad Laptops

Connect multiple USB devices to your ThinkPad laptop with this mini dock that provides simple Internet and LAN connectivity and features key lock security and left-corner alignment for easy system attachment.




Dell / OPTI 780 MT E7500 2G 250GB/ 468-8245

Dell / OPTI 780 MT E7500 2G 250GB / 468-8245

Dell - OPTI 780 MT E7500 2G 250GB - 468-8245




Asus / EPC1215N 12.1'' Netbook / 1215N-PU17-SL

Asus / EPC1215N 12.1'' Netbook / 1215N-PU17-SL

Asus - EPC1215N 12.1'' Netbook - 1215N-PU17-SL




HP / G42-241HE Notebook PC  G42-241HE Notebook PC / G42241HE

HP / G42-241HE Notebook PC G42-241HE Notebook PC / G42241HE

HP - G42-241HE Notebook PC G42-241HE Notebook PC - G42241HE




7 Touch Screen MID Google Android Tablet PC Laptop E600

7 Touch Screen MID Google Android Tablet PC Laptop E600

This 7 TFT Touch Screen Google Android 2.1 OS 3G Tablet PC MID with WiFi amp; Camera /spanspancan meets your needs well. It runs Google Android 2.1, download any application you want from Android Market and customize your /spanspantouch screen tablet PC/spanspan to make it exclusively yours. Supports WiFi, you can easily surf the internet, anytime, anywhere with this /spanspantouch screen tablet PC/spanspan.




HP / 3yr PickupRtn w/ADP Notebook / HG164A

HP / 3yr PickupRtn w/ADP Notebook / HG164A

HP - 3yr PickupRtn w/ADP Notebook - HG164A




12.1 LED Netbook Laptop Intel N450 1.66GHz CPU-1GB HDD 320GB

12.1 LED Netbook Laptop Intel N450 1.66GHz CPU-1GB HDD 320GB

Browse the web, check email, listen to music and enjoy a wide variety of portable functionality with the 12.1 TFT LCD LED Netbook Laptop, which features a light weight and compact design. Affordable and it allows you to work or play when you rsquo;re on the move. Also it allows traveling professionals to get more accomplished. With its sleek curves and smooth lines, the nbsp;LED netbook laptop offers superior style without sacrificing performance or mobility. You can also watch movies and listen to music with this Intel N450 netbook laptop.




AOC / Breeze 8" Tablet / MW0811

AOC / Breeze 8" Tablet / MW0811

AOC - Breeze 8" Tablet - MW0811




Viewsonic / VPAD7 ANDROID 2.2 TABLET W/ GMS / VPAD7

Viewsonic / VPAD7 ANDROID 2.2 TABLET W/ GMS / VPAD7

Viewsonic - VPAD7 ANDROID 2.2 TABLET W/ GMS - VPAD7




13.1 Inch LED Intel Atom N270 1.6GHz CPU 2GB HDD 160GB Netbook

13.1 Inch LED Intel Atom N270 1.6GHz CPU 2GB HDD 160GB Netbook

Are you going to buy a netbook? We recommend this spanspan id=lblProductTitle13.1 nbsp;netbook laptop/span/span to you. The nbsp;netbook laptop is nbsp;designed to keep pace with your busy lifestyle. As the high technology develops so fast, mini netbook has become more and more popular, if you are going to buy a netbook, this 13.1 Inch LED Intel Atom N270 1.6GHz CPU 2GB HDD 160GB Netbook will be a good choice for you. With this 13.1 Netbook with Intel Atom N270-1.6GHz CPU-2GB-160GB HDD, you can enjoy more perks with increased portability.




13 Netbook Ultrathin Atom N450 CPU 1GB RAM 160GB HDD

13 Netbook Ultrathin Atom N450 CPU 1GB RAM 160GB HDD

With this 13 Ultrathin Atom N450 CPU 1GB RAM 160GB HDD Netbook, you can enjoy more perks with increased portability. The notebook makes it easy to get connected, anytime, anywhere. It's designed to keep pace with your busy lifestyle, possibly even simplify it, and with this netbook atom, you can enjoy more perks with increased portability anywhere any time, which can really make you enjoy more in your daily life.




Acer / TAB AMD/2GB/32GB/10.1"/W7HP/HDMI Acer W500 10.1" Tablet PC AMD C-Series Processor C-50 (1MB L2 / LE.RK602.047

Acer / TAB AMD/2GB/32GB/10.1"/W7HP/HDMI Acer W500 10.1" Tablet PC AMD C-Series Processor C-50 (1MB L2 / LE.RK602.047


Acer - TAB AMD/2GB/32GB/10.1"/W7HP/HDMI Acer W500 10.1" Tablet PC AMD C-Series Processor C-50 (1MB L2 - LE.RK602.047




Asus / Asus NB EeePC1015B(M) 250G Blue 10.1inch C30 HD6250 1G Win7Starter No ODD RTL / 1015B-MU17-BU

Asus / Asus NB EeePC1015B(M) 250G Blue 10.1inch C30 HD6250 1G Win7Starter No ODD RTL / 1015B-MU17-BU

Asus - Asus NB EeePC1015B(M) 250G Blue 10.1inch C30 HD6250 1G Win7Starter No ODD RTL - 1015B-MU17-BU




Dell / E6510 I5-520M 2.4G 2GB 320GB    / 468-6923-KIT

Dell / E6510 I5-520M 2.4G 2GB 320GB / 468-6923-KIT

Dell - E6510 I5-520M 2.4G 2GB 320GB - 468-6923-KIT





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Product examples - keyboards, mice, hard-drives, backup-devices, printers, periferials

Canon / Canon MF4370DN - imageCLASS MF4370dn Laser Multifunction Printer, Copy/Fax/Print/Scan  Canon MF4370DN - imageCLASS MF4370dn Laser Multifunction Printer,

Canon / Canon MF4370DN - imageCLASS MF4370dn Laser Multifunction Printer, Copy/Fax/Print/Scan Canon MF4370DN - imageCLASS MF4370dn Laser Multifunction Printer,

Canon - Canon MF4370DN - imageCLASS MF4370dn Laser Multifunction Printer, Copy/Fax/Print/Scan Canon MF4370DN - imageCLASS MF4370dn Laser Multifunction Printer, Copy/Fax/Print/Scan - CNMMF4370DN




Cyborg R.A.T. 9 Gaming Mouse for PC and Mac

Cyborg R.A.T. 9 Gaming Mouse for PC and Mac

The Mac driver* is now available for download from www.cyborggaming.com/macdriver and is fully compatible with all versions of Mac OS X version 10.6.6 or later.*Driver must be downloaded (not included on CD). Cyborg® R.A.T. 9 Take the lead and lose the wire with the top-of-the-range Cyborg® R.A.T. 9 The power and performance of the R.A.T. 7 combine with next-generation wireless technology for an unsurpassed gaming experience. Perfect your grip How do you hunt? Whether you ‘palmÂ’ the mouse or ‘clawÂ’ it, the Cyborg® R.A.T. can quickly and easily adapt by adjusting in length to suit your hand size and grip style. In addition, the Thumb Panel of the R.A.T. 9 moves forwards, backwards, and pivots outwards, giving you perfect positioning for effortless gaming.    Zero Latency 2.4Ghz Wireless Technology A staggering 1ms response time ensures that your lightning fast reactions remain lightning fast.




Eclipse III Backlit Multimedia Keyboard by Saitek

Eclipse III Backlit Multimedia Keyboard by Saitek

Sleek backlit multimedia keyboard with touch-sensitive lighting and volume controls, and ergonomically placed shortcut keys. Adjustable, multi color backlighting highlights key controls Touch-sensitive control panel changes settings quickly and easily Two stage height adjustment and removable wrist rest increase comfort Pass through headphone and microphone audio ports for simple connectivity Time-saving Windows and Internet shortcut keys USB plug and play Color and keyboard settings remain even after system reboot Laser-etched, soft touch, durable keys System Requirement: Connectivity: USB 2.0 Windows XP, XP64, Windows Vista (all versions), and Windows 7




Manhattan / OPTICAL DESKTOP MOUSE / 177016

Manhattan / OPTICAL DESKTOP MOUSE / 177016

Manhattan - OPTICAL DESKTOP MOUSE - 177016




Battery Biz / Acer Netbook AC Adapter / AC-C13L

Battery Biz / Acer Netbook AC Adapter / AC-C13L

Battery Biz - Acer Netbook AC Adapter - AC-C13L




Hewlett-Packard / HP Lithium Ion 8-cell Notebook Battery / KC991AA

Hewlett-Packard / HP Lithium Ion 8-cell Notebook Battery / KC991AA

Hewlett-Packard - HP Lithium Ion 8-cell Notebook Battery - KC991AA




Fujitsu / FI-4340C FB CLR DUPLEX 35PPM    / PA03277-B015

Fujitsu / FI-4340C FB CLR DUPLEX 35PPM / PA03277-B015

Fujitsu - FI-4340C FB CLR DUPLEX 35PPM - PA03277-B015




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BATTERIES, CHARGERS AND POWER SOLUTIONS FOR COMPUTERS, CELLPHONES AND OTHER DEVICES

A special store for batteries and power solutions

All-Battery.com

 

Some product examples from some other good stores where you can find power solutions for information technology equipment

Mobile Power Station Battery 1900mAh for iPhone iPod M400GD

Mobile Power Station Battery 1900mAh for iPhone iPod M400GD

Compact and lightweight design power station for daily use. It is a perfect solution to charge your phone when out. High capacity, beautiful appearance, small size and easy to carry, offer you more practical and better using!




Wireless USB Car Charger FM Transmitter for iPhone 3G 3GS 4G PKIT F8

Wireless USB Car Charger FM Transmitter for iPhone 3G 3GS 4G PKIT F8

Enjoy your MP3 player, CD player, portable DVD player or even your laptop audio through you car stereo's FM radio. Fast, simple way to take all your favorite music with you. It also features an easy-to-read, dimmable LED display so you can easily tune and select your favorite station presets in your car, day or night.




Battery Biz Consignment / Battery Biz Lithium Ion Notebook Battery / B-5707H

Battery Biz Consignment / Battery Biz Lithium Ion Notebook Battery / B-5707H

Battery Biz Consignment - Battery Biz Lithium Ion Notebook Battery - B-5707H




Battery Biz Consignment / Battery Biz Hi-Capacity B-8654 Personal Digital Assistant Battery / B-8654

Battery Biz Consignment / Battery Biz Hi-Capacity B-8654 Personal Digital Assistant Battery / B-8654

Battery Biz Consignment - Battery Biz Hi-Capacity B-8654 Personal Digital Assistant Battery - B-8654




Battery Biz / Hi Capacity Dell Laptop Batter / B-5852

Battery Biz / Hi Capacity Dell Laptop Batter / B-5852

Battery Biz - Hi Capacity Dell Laptop Batter - B-5852




Lenovo Lithium Ion Notebook Battery Lithium Ion LiIon 5.2Ah 10.8V DC 40Y6799

Lenovo Lithium Ion Notebook Battery Lithium Ion LiIon 5.2Ah 10.8V DC 40Y6799

Stay unplugged longer with the help of a spare ThinkPad system battery. Help increase your productivity by achieving longer system run times than with just the standard system battery. Get the power you need whenever and wherever you need it for your ThinkPad T60 or R60 Series notebook.




Battery Biz / Battery Biz Hi-Capacity B-5048 Tablet PC Battery / B-5048

Battery Biz / Battery Biz Hi-Capacity B-5048 Tablet PC Battery / B-5048

Battery Biz - Battery Biz Hi-Capacity B-5048 Tablet PC Battery - B-5048


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ELECTRONIC KITS AND COMPONENTS

By clicking at this link, you will find all types of electronic components for hobby use and for professional use in laboratories. You will find electronic sets that can be used to build a lot of sevices and circuits. There are kits for building or installing specific electronic devices like power supplies, wave and pulse generators, measure devices, detectors, alarms, light effect generators, radio resceivers and transmitters and a lot more.  You will also find specific components of every kind singly or in bulk.

 

Electronics Kits and components - please click here

 

You will find electronic components or material of every sort in bulk or single: NTE electronic parts, capasitators, dials, knobs, diodes, relays, resistors, potetiomenters, semiconductors of every kind, transistors, diodes, thyristors, speaker wires, trimmers, hook up wire, wire ties, Heat Shrinkable Tubing - Thin Wall Polyoefin -2:1 Per Package-48in, Heat Shrinkable Tubing - Thin Wall Polyoefin -2:1 Per Package-6in, Heat Shrinkable Tubing - Dual Wall Polyoefin w/Adhesive-3:1 Per Package-6in.

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DATA STORE MEDIA EXPLANAINED

CD-ROM

This is a round disk to store data on that is set into a station on the computer when it is to be used.

Data are written and read optically, using a laser beam.

The basic technology is the same as in music and play CDs.  However, a CD-rom must have a higher reliability that a music CD. Therefore much of the place in the CD-rom is used to store the information extra times, so that a fault do not detroy the ability to read data. Therefore a CD-rom generally has lower practical store capacity than a music CD.

The data is stored as small holes in a very thic metallic sheet on the disk. A traditional practical store capasity is 700 MB (mega-bytes), that is 700 million figures or letters. Now there are CD-ROMs with a capacity of 1 GB (giga-bytes), that is a billion figures or siffers.

A standard computer usually has a CD-reader (CD-station) and may also have a CD-burner used to store data on CDs. Once an area on a CD has been written on, it cannot be arased and rewritten.

However, written areas can be marked as invalid so that it is not read any more. When one commands a file to be erased on a CD, this is actually done.  Updated versions of the data can then be rewritten on another area on the CD. Both these operations are usually done when one commands a restore of a file on the CD-rom. 

In this way a CD can be used to store data, update the same data with new versions, and mark old versions of data as invalid.

Data is usually updated by storing a file a second time, and then the old version of the file is marked as invalid, but remains technically on the cd. Because updasting files and writing new files allways use new areas on the CD, each write an dupdate will consume some of the CD, and it vill eventually get filled up.

 

DVD-DISC

Also a DVD-disc is a round disk to be store data at, that is to set into a station on the computer when it is to be used.

 Data are written and read optically, using a laser beam.

A DVD-disk is made up with the same basic technology as CD-roms. However the fromat of data stored is different. An important difference is that the disk contain less place-consuming techiques to detect and correct faults in the data than a CD-rom. Therefor a DVD can contain practically greater amount of data than a CD-rom, but the data may contain errors, and a DVD can therefore only be used in applications where such errors do bot have great consequences.

A standard DVD generally stores 4.7 GB (gigabytes) of data if it is single-layered and 8.5 gigabytes when double-layered.

Data is not stored doubly and the security mechanisms to detect faults are less

A DVD-disc can be a read only, called DVD-rom or a read-write disc.  DVD-roms include replicated (factory pressed), recorded (burned), video, audio, and data DVDs.

As with CD-roms, areas on a DVD can only be witten once, but written areas can be marked as invalid, and the same files can be updated on another area. Thus files on a DVD can be written and updated many times, but each time some of the DVD is consumed.

There are severl DVD-formats: DVD-video for video footages, DVD-audio for sound-tracs and DVD-data to store data on.

The term DVD is also applied generically in describing newer video disc formats, Blu-ray Disc and HD DVD.

 

HD-DVD

Also a HD-DVD-disc is a round disk to be store data at, that is to set into a station on the computer when it is to be used. Data are written and read optically, using a laser beam.

HD-DVD is meant to be the successor of standard DVDs with a much higher data density.

HD-DVD can be found in read-only verions used for commersial music, videos and plays, and as read-write versions.

As with CD-roms and DVDs, areas on a HD-DVD can only be witten once, but written areas can be marked as invalid, and the same files can be updated on another area. Thus files on a HD-DVD can be written and updated many times, but each time some of the HD-DVD is consumed.

As with DVDs, the disc can be formated for several formats suited for Video, Audio or Data files.

HD-DVD disks are found in these versions_

12 cm, single sided 15 GB 30 GB
12 cm, double sided 30 GB 60 GB
8 cm, single sided 4.7 GB 9.4 GB
8 cm, double sided 9.4 GB 18.8 GB

 

BLU-Ray

Also a BLU-ray-disc is a round disk to be store data at, that is to set into a station on the computer when it is to be used. Data are written and read optically, using a laser beam.

A standard BLU-ray generally stores 25 or 50 GB (gigabytes) of data if it is single-layered and 50 or 100 gigabytes when double-layered.

As with CD-roms, areas on a DVD can only be witten once, but written areas can be marked as invalid, and the same files can be updated on another area. Thus files on a DVD can be written and updated many times, but each time some of the DVD is consumed.

Blu-ray technology uses a blu-violet laser bem to store and read data. This light has a much shorter wave-length that that of the red laser ligh used on CD-roms and DVDs. Therefore a much higher desity of data is possible.

Blu-ray disks are found in these versions_

12 cm, single sided 25 GB or 50 GB
12 cm, double sided 50 GB or 100 GB
8 cm, single sided 7.8 GB or 15.6 GB
8 cm, double sided 15.6 GB or 31.2 GB

 

Flash memory cards and some other memory card types

Flash memory are based on semiconductor chips. On these chips there are transistors that can be made conducting or insulating by charging or decharging a port on the transistor. A transistor being conducting or insulating stores information bits. The charged ports are shielded in such a way that they can hold their charge in many years. Therefore the chips can hold information also when they are not connected to a source of charge.

In advanced flash memory cards, the chrarged port can hold several charge levels, and thus store emore than just one bit.

Flash chips are a type of  EEPROMs. They are however different from other EEPROMS by not being erased or writen one byte at a time. A  whole block on the card must be written at a time. By data update, a whole block must be both erased and rewritten. 

The chip is integrated into a card that is set in a slot in the computer, telephone or other devices. These slots are physically standardized and with standardized hardwere.

Flash chips can have from a few kilobits to  2 GB (gigabits) of data stored, and more than one chip can be integrated in one card. 

Flash memory cards are available in different speeds such as 2 MB per second, 12 MB per second, etc.

Flash memories are often combined with special file systems that optimally use the charcteristics of flash memory reding, erasing and writing. Examples of file systems used are FTL and FlashXC for PCs and JFFS, JFFS2 and JAFFS for Linux. The standards differ according to the size and shape of the card, the hardwere used to connect the computer to the card, and the file system used for this connection.

Here is a list of memory card standards used in different devices

 

Name Acronym Form factor DRM
PC Card PCMCIA 85.6 × 54 × 3.3 mm None
CompactFlash I CF-I 43 × 36 × 3.3 mm None
CompactFlash II CF-II 43 × 36 × 5.5 mm None
SmartMedia SM / SMC 45 × 37 × 0.76 mm None
Memory Stick MS 50.0 × 21.5 × 2.8 mm MagicGate
Memory Stick Duo MSD 31.0 × 20.0 × 1.6 mm MagicGate
Memory Stick Micro M2 M2 15.0 × 12.5 × 1.2 mm MagicGate
Multimedia Card MMC 32 × 24 × 1.5 mm None
Reduced Size Multimedia Card RS-MMC 16 × 24 × 1.5 mm None
MMCmicro Card MMCmicro 12 × 14 × 1.1 mm None
Secure Digital Card SD 32 × 24 × 2.1 mm CPRM
miniSD Card miniSD 21.5 × 20 × 1.4 mm CPRM
microSD Card microSD 11 × 15 × 1 mm CPRM
xD-Picture Card xD 20 × 25 × 1.7 mm None
Intelligent Stick iStick 24 x 18 x 2.8 mm None
Serial Flash Module SFM 45 x 15 mm None
µ card µcard 32 x 24 x 1 mm Unknown
NT Card NT NT+ 44 x 24 x 2.5 mm None


(The table is fetched from wikipedia.org, and it is therefore free to copy and reuse)

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