I have read a ton of research on google and found that the best option is from amazon.com
I also got very fast&free shipping from amazon for more than 50 usd items.

Kingston 4 GB microSDHC Class 4 Flash Memory Card SDC4/4GBET [Amazon Frustration-Free Packaging]

Saturday, 28. August 2010. 15:36 by memory sdhc

Kingston 4 GB microSDHC Class 4 Flash Memory Card SDC4/4GBET [Amazon Frustration-Free Packaging]

Product Description

Kingston 4 GB microSDHC Class 4 Flash Memory Card SDC4/4GBET [Amazon Frustration-Free Packaging]
List Price: $5.89
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The microSDHC card allows you to maximize todayâTMs revolutionary mobile devices. KingstonâTMs microSDHC cards use the new speed rating AClass that guarantee a minimum speed of transfer for optimum performance with devices that use microSDHC data.

Identical in size to the microSD card todayâTMs standards, microSDHC cards are designed to comply with SD Specification Version 2.00 and are only recognized by microSDHC host devices. To ensure compatibility, look for the microSDHC or SDHC logo on host devices (eg phones, PDAs and cameras).

Anywhere in the mobile world, you can trust and depend KingstonâTMs microSDHC. All cards are 100 percent tested and are covered by a lifetime warranty and free technical support in vivo.
Kingston 4 GB microSDHC Class 4 Flash Memory Card SDC4/4GBET [Amazon Frustration-Free Packaging]

 

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Kingston 2 GB microSD Flash Memory Card SDC/2GBET [Amazon Frustration-Free Packaging]

Sunday, 15. August 2010. 11:28 by memory sdhc

Kingston 2 GB microSD Flash Memory Card SDC/2GBET [Amazon Frustration-Free Packaging]

Product Description

Kingston 2 GB microSD Flash Memory Card SDC/2GBET [Amazon Frustration-Free Packaging]
List Price: $1.79
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Read customer review

With Kingston's microSD card, mobile content is no longer tied to the phone. Share your collections with friends, family and colleagues easily with a removable storage solution specifically for mobile phones with expansion slots.

Kingston microSD memory card also allows you to move data between phones. If you're changing service or upgrading your phone, the microSD card that can transfer phone lists, settings or ring tones. Its ultra-small size consumes very little power from your laptop to get your phone's battery life.

At home, office, airport, in an Internet cafe or at school no matter where your mobile life takes you trust Kingston's microSD. All cards are covered by lifetime warranty, free technical support and legendary Kingston reliability.
Kingston 2 GB microSD Flash Memory Card SDC/2GBET [Amazon Frustration-Free Packaging]

 

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Kingston 2 GB SD Flash Memory Card SD/2GBET [Amazon Frustration-Free Packaging]

Thursday, 05. August 2010. 12:43 by memory sdhc

Kingston 2 GB SD Flash Memory Card SD/2GBET [Amazon Frustration-Free Packaging]

Product Description

Kingston 2 GB SD Flash Memory Card SD/2GBET [Amazon Frustration-Free Packaging]
List Price: $1.64
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Read customer review

Kingston's standard Secure Digital (SD) memory cards combine storage capacity, blazing data transfer rates and ironclad security in a memory card the size of postage stamp. With an excellent price / performance, Kingston SD cards are ideal expansion option for small devices such as MP3 players, digital cameras, PDAs, smartphones and more.For greater reliability and durability, SD memory cards solid state building components non-volatile memory and have no moving parts to wear or break.Quickly and easily download and transfer digital files between various digital devices, a computer and the Internet. An SD memory card reader easy to upload files from an SD memory card to a computer.This Kingston Secure Digital (SD) memory card comes with E-tail of the package.
Kingston 2 GB SD Flash Memory Card SD/2GBET [Amazon Frustration-Free Packaging]

 

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Kingston 8 GB microSDHC Class 4 Flash Memory Card SDC4/8GBET [Amazon Frustration-Free Packaging]

Sunday, 18. July 2010. 18:26 by memory sdhc

Kingston 8 GB microSDHC Class 4 Flash Memory Card SDC4/8GBET [Amazon Frustration-Free Packaging]

Product Description

Kingston 8 GB microSDHC Class 4 Flash Memory Card SDC4/8GBET [Amazon Frustration-Free Packaging]
List Price: $15.99
Want more discount? get it here -> compare price
Read customer review

Kingston's microSDHC cards are rated Class 4 speed and capacity of 4 GB for optimum performance with devices that use microSDHC. store music, videos, photos, games, everything you need in today's mobile world. Theyre backed by legendary Kingston reliability, lifetime warranty and 24 / 7 technical support.
Kingston 8 GB microSDHC Class 4 Flash Memory Card SDC4/8GBET [Amazon Frustration-Free Packaging]

 

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Kingston 8 GB Class 4 SDHC Flash Memory Card SD4/8GBET [Amazon Frustration-Free Packaging]

Friday, 16. July 2010. 13:44 by memory sdhc

Kingston 8 GB Class 4 SDHC Flash Memory Card SD4/8GBET [Amazon Frustration-Free Packaging]

Product Description

Kingston 8 GB Class 4 SDHC Flash Memory Card SD4/8GBET [Amazon Frustration-Free Packaging]
List Price: $16.99
Want more discount? get it here -> compare price
Read customer review

Starting at 4GB, SDHC cards offer larger-volume data storage and optimized recording performance with support for FAT 32 file formats. In addition, KingstonâTMs SDHC cards use new speed "class" known as Class 2, 4 and 6 that deliver a minimum sustained transfer speed for continuous optimum performance with SDHC devices.

While the same size as standard SD card today, the new SDHC cards are designed differently and are only recognized by SDHC host devices. To ensure compatibility, look for the SDHC logo on cards and host devices (cameras, camcorders, etc.).

For added reliability and durability, our solid-state memory cards SDHC cards are built of nonvolatile memory components and have no moving parts to wear or breakage. All cards are 100 percent tested and are covered by a lifetime warranty and free technical support in vivo.
Kingston 8 GB Class 4 SDHC Flash Memory Card SD4/8GBET [Amazon Frustration-Free Packaging]

 

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Kingston 16 GB Class 4 SDHC Flash Memory Card SD4/16GBET [Amazon Frustration-Free Packaging]

Tuesday, 29. June 2010. 21:26 by memory sdhc

Kingston 16 GB Class 4 SDHC Flash Memory Card SD4/16GBET [Amazon Frustration-Free Packaging]

Amazon.com Product Description

Kingston 16 GB Class 4 SDHC Flash Memory Card SD4/16GBET [Amazon Frustration-Free Packaging]
List Price: $34.29
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Read customer review

Kingston and Amazon.com have joined together to offer the product at Amazon frustration-free alternative packaging recyclable, easy to open to traditional packaging. A package of frustration-free without excessive packaging material such as plastic clamps hard "clamshell" plastic casings and links. It is designed to be opened without the use of a knife or a knife and protect your products, as well as traditional packaging. This item ships in its box, without the need for a box of additional shipping, and Amazon.com is working with manufacturers to make packaging more efficient.
Kingston 16 GB Class 4 SDHC Flash Memory Card SD4/16GBET [Amazon Frustration-Free Packaging]

 

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Canon PowerShot SD1200IS 10 MP Digital Camera with 3x Optical Image Stabilized Zoom and 2.5-inch Maximal Power DB CAN NB-6L Replacement Battery for Canon Digital Cameras/Camcorders Canon PowerShot A1100IS 12.1 MP Digital Camera with 4x Optical Image Stabilized Zoom and 2.5-inch Canon PowerShot S90 10MP Digital Camera with 3.8x Wide Angle Optical Image Stabilized Zoom and

Transcend 4 GB Class 6 SDHC Flash Memory Card TS4GSDHC6E [Amazon Frustration-Free Packaging]

Sunday, 23. May 2010. 14:26 by memory sdhc

Transcend 4 GB Class 6 SDHC Flash Memory Card TS4GSDHC6E [Amazon Frustration-Free Packaging]

Product Description

Transcend 4 GB Class 6 SDHC Flash Memory Card TS4GSDHC6E [Amazon Frustration-Free Packaging]
List Price: $11.49
Want more discount? get it here -> compare price
Read customer review

Fully compatible with SDA 2.0. Suitable for SDHC compliant devices, MLC flash chip with high transfer rates. Perfect for high-end digital devices. Make sure your device can support SDHC format before you buy! SDHC cards can use SD and SDHC.
Transcend 4 GB Class 6 SDHC Flash Memory Card TS4GSDHC6E [Amazon Frustration-Free Packaging]

 

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Kingston 4 GB Class 4 SDHC Flash Memory Card SD4/4GBET [Amazon Frustration-Free Packaging]

Friday, 14. May 2010. 13:36 by memory sdhc

Kingston 4 GB Class 4 SDHC Flash Memory Card SD4/4GBET [Amazon Frustration-Free Packaging]

Product Description

Kingston 4 GB Class 4 SDHC Flash Memory Card SD4/4GBET [Amazon Frustration-Free Packaging]
List Price: $8.48
Want more discount? get it here -> compare price
Read customer review

The SDHC card has a greater capacity for data storage and optimized recording performance with support for FAT 32 file formats. In addition, Kingston's SDHC cards use speed "class" known as Class 2, 4 and 6 that deliver a minimum sustained transfer speed for continuous optimum performance with SDHC devices.Although identical in size to standard SD card, the SDHC is designed differently and is only recognized by SDHC host devices. To ensure compatibility, look for the SDHC logo on cards and host devices.For greater reliability and durability, solid SDHC memory card is built of nonvolatile memory components and have no moving parts to wear or breakage.
Kingston 4 GB Class 4 SDHC Flash Memory Card SD4/4GBET [Amazon Frustration-Free Packaging]

 

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Canon PowerShot SD1200IS 10 MP Digital Camera with 3x Optical Image Stabilized Zoom and 2.5-inch Maximal Power DB CAN NB-6L Replacement Battery for Canon Digital Cameras/Camcorders Canon PowerShot A1100IS 12.1 MP Digital Camera with 4x Optical Image Stabilized Zoom and 2.5-inch Canon PowerShot S90 10MP Digital Camera with 3.8x Wide Angle Optical Image Stabilized Zoom and

A-DATA 4 GB Class 6 SDHC Flash Memory Card ASDH4GCL6AP [Amazon Frustration-Free Packaging]

Saturday, 01. May 2010. 10:54 by memory sdhc

A-DATA 4 GB Class 6 SDHC Flash Memory Card ASDH4GCL6AP [Amazon Frustration-Free Packaging]

Product Description

A-DATA 4 GB Class 6 SDHC Flash Memory Card ASDH4GCL6AP [Amazon Frustration-Free Packaging]
List Price: $14.28
Want more discount? get it here -> compare price
Read customer review

The best choice for high-end digital devices! To save all the precious moments, precious and romantic, you can purchase a high resolution digital camera, digital camcorder or other high-end devices. However, normal Secure Digital Card (SD) in the market today can not allow to capture these moments because of slow read / write speed. Slow read / write speed may cause lag time between shots and result in losing the ability to record some of your best memories. This A-DATA Turbo SDHC Memory Card (Class 6), described the performance of the card class 6, which means that the card has a guaranteed write speed of at least 6MB / s, can reduce the time between shots. For those high-end digital devices, A-DATA Turbo SDHC Memory Card (Class 6) ensure that the capture of each "picture" perfect time! File System: FAT32 Enhanced DSC function and smooth support video recording: all devices
A-DATA 4 GB Class 6 SDHC Flash Memory Card ASDH4GCL6AP [Amazon Frustration-Free Packaging]

 

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Transcend 8 GB Class 6 SDHC Flash Memory Card TS8GSDHC6E [Amazon Frustration-Free Packaging]

Tuesday, 13. April 2010. 13:32 by memory sdhc

Transcend 8 GB Class 6 SDHC Flash Memory Card TS8GSDHC6E [Amazon Frustration-Free Packaging]

Product Description

Transcend 8 GB Class 6 SDHC Flash Memory Card TS8GSDHC6E [Amazon Frustration-Free Packaging]
List Price: $19.43
Want more discount? get it here -> compare price
Read customer review

Fully compatible with SDA 2.0. Suitable for SDHC compliant devices, MLC flash chip with high transfer rates. Perfect for high-end digital devices. Make sure your device can support SDHC format before you buy! SDHC cards can use SD and SDHC.
Transcend 8 GB Class 6 SDHC Flash Memory Card TS8GSDHC6E [Amazon Frustration-Free Packaging]

 

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