A-DATA Class 6 microSDHC Flash Memory Card with SD Adapter

by ADATA

Product Details

• Product Dimensions: 3.2 x 0.5 x 4.9 inches ; 0.8 ounces
• Shipping Weight: 8 ounces (View shipping rates and policies)
• Shipping: This item is also available for shipping to select countries outside the U.S.
• ASIN: B001VLIVEE
• Item model number: AUSDH16GCL6-RA1
• Average Customer Review: 4.4 out of 5 stars  See all reviews (89 customer reviews)
• Date first available at Amazon.com: May 10, 2009

Product Description

Capacity: 16 GB | Package Type: Retail

ADATA Micro SDHC Card with up to 16mbs read speed is the perfect upgrade to smart phones everywhere! ADATA gives you the solution for advanced computing ability and connectivity with the storage to match. The “smarter" the phone, the more capacity it will require to get the full capability out of your device. Fully compliant with high-speed SDHC (Secure Digital High Capacity) specifications, the ADATA microSDHC Class 6 not only provides higher capacity, faster data and media access, but also supports all portable devices that conform to SDHC specifications. With an impressive minimum data transfer rate of 6 MB/s, the ADATA microSDHC Class 6 is proven to be the best companion for your handheld devices.

Customer Reviews

Most Helpful Customer Reviews

124 of 130 people found the following review helpful:

4.0 out of 5 stars large size, but slower than my 8GB Sandisk MicroSDHC class 4 card, May 28, 2009

By 

HC (Bay Area, CA) - See all my reviews

This review is from: A-DATA Class 6 microSDHC Flash Memory Card with SD Adapter (Personal Computers)

I bought the A-Data 16GB Class 6 MicroSDHC card as an upgrade for my Sandisk 8GB Class 4 MicroSDHC card. I wanted to stick with Sandisk but noticed that most Sandisk 16GB MicroSDHC cards available at the time of this writing have a Class 2 rating. I went with A-Data since theirs have a Class 6 speed rating.

I tested transfer speeds using a Sandisk MobileMate MicroSDHC USB reader plugged into a Windows 7 PC transferring a single 992MB file. Results are shown below:

Sandisk Class 4 8GB MicroSDHC card:
Write: ~75 seconds (13.2MB/sec)
Read: ~50 seconds (19.8MB/sec)

A-Data Class 6 16GB MicroSDHC card:
Write: ~126 seconds (7.8MB/sec)
Read: ~64 seconds (15.5MB/sec)

The Sandisk Class 4 8GB MicroSDHC card is significantly faster and clearly surpasses it's minimum speed requirement for a Class 4 rating. I'm curious to see how fast the Sandisk 16GB Class 2 and Class 4 MicroSDHC cards perform and if the slower data transfer speed observed on the A-Data 16GB MicroSDHC card is common across all manufacturers with their 16GB MicroSDHC cards.

64 of 71 people found the following review helpful:

4.0 out of 5 stars A Note About Class Rating, November 3, 2009

By 

joshua englehart "lax" (california) - See all my reviews

This review is from: A-DATA Class 6 microSDHC Flash Memory Card with SD Adapter (Personal Computers)

Although the review posted by the person who timed transfer speed of this card against the Class 4 Sandisk card looks damning, it is important to remember that single-file transfer speed is not always the most important criterion when considering a card like this one. Potentially more important, particularly on a larger card like this, is random seek and latency figures. On larger cards, it can take significantly longer to locate the file that's being looked for, since there simply is more to be searched. A higher-rated card should have a random seek time small enough to not interfere with the card's ability to achieve the rated speed. Without seek and latency data, such comparisons are almost useless.

I am using this card on my rooted T-Mobile MyTouch, and am very happy with the performance. Since one of the things I'm using it for is to offload apps from internal memory onto the sd card and run them from there, there are a lot of small reads taking place all the time, making seek time critical in my case. I don't have any figures on seek or latency time, but I can say the performance has been very satisfactory.

15 of 15 people found the following review helpful:

4.0 out of 5 stars 16gb A-Data MicroSDHC Class 6 Memory Card, July 7, 2009

By 

C. A. Lee (Clayton NC) - See all my reviews
(REAL NAME)   

This review is from: A-DATA Class 6 microSDHC Flash Memory Card with SD Adapter (Personal Computers)

So far so good. I am using this for the T-Mobile G-1. I have put video podcast from Itunes, an assortment of movies in it's entirety, about 8gb of music, pictures, you name it. It might be a 2-3 second lag wile starting up what you want to watch as far as video, but after that I had no problems. Grant it I am not that computer savvy, but this is a good card, at least for right now until other cards of your likeing come down off of their prices. So G-1 users I don't speak for all of the G-1 users, but this card works very well with the G-1. In October I heard that the new G-1 is coming out so this card will be a welcomed addition or until a 32gb comes out. Give it a try.

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