I bought an SD card for my phone one month ago. I bought a Kingston microSD 16 GB Class 4 card. It's not the fastest memory card out there, but darn what a good price. I bought it for under 200NOK (Under $35, €26 and £22). If you configure the cache, you can get a really high reading speed. I'm very satisfied with it
Has anyone tried to use a Micro-SDXC card yet? I mean LG officially says that it doesn't support those cards, but I heard that are other phones on which those cards work, although they aren't officially supported ...
My personal view on this is about the same as I have for any memory, By the biggest and fastest that you can afford, You may wind up using it in another for or for another purpose down the line.
Class 6 kingamx 8gb, no problems with it tho i did have bad encouters with A-Data, it did't brake or anything but there usb sticks just slow down over time till they are absolutely almost useless. just saying this as a counter point to my countrymens earlier posts
If your attempting to take videos with your Optimus, then the faster class cards will probably make a difference. Copying files to your microsd card will be faster using a higher class. Accessing your photo gallery will be faster. In other words, it will help when you read or write non-random large files.
I am a lot less sure that a Class 8 or class 10 will be of benefit if you want to speed up your use of programs/data and Davalik cache moved over to your memory card. The big question is whether writing small files is critical to the overall speed of your Optimus. If writing small files is critical the speed of sequential reads or writes of large files is far less important which is what the class rating is telling you.
I would rather buy from the little guy/manufacturer that has a brilliant product. However, I recently bought 2 Sandisk class 4 cards for android devices. I tested them with Crystal Disk Mark 3.01 (64bit version).
Test : 50 MB [D: 7.2% (544.4/7584.0 MB)] (x5)
Date : 2011/05/30 14:59:58
OS : Windows 7 Home Premium Edition SP1 [6.1 Build 7601] (x64)
I learned a couple of things. I ordered 2 Sandisk that were supposidly the same from the same dealer one week apart. They performed differently. The relative performance of the Sandisk cards writing 4k files compared to others was startling. I had seen such results reported before but it had more impact on me when I saw it myself. Since I will be using A2sd, I am happy with my Sandisk cards.
PS I also verified that the Sandisk cards were really the size proclaimed by using H2testw v1.4
PPS I have heard that older class 2 Sandisk are often faster. I also heard that Sandisk is in the process of discontinuing the class rating of their microsdhc cards.
i think depends on your use... 4gb is enough if u have partition + lot of apps, 8gb enough if u have partition + lot of apps + lot of music and 16gb if u have partition + apps + music + hd games + videos