Advantages: Cheap, very good too. Disadvantages: Easy to lose them.
These cards are 4 GB SDHC flash memory cards, made by Kingston, SDHC being short for Secure Digital High Capacity, They are suitable for all digital devices like:- cameras, camcorders, PDAs, MP3 players etc. I have tried to get onto the website, but with no luck, I will try again later.
These cards are in solid state, and they are simply a storage system for information, that is all there is to it.
The price is very competitive, this is because they are now made with a capacity of 12 MB, so the little 4 MB ones are a little dated, however this makes them very reasonable in price. you can expect to pay up to £18, you can get them for less from various companies online, just remember some firms charge an arm and a leg for postage, packing, and insurance. You can buy them in the high street shops but at a higher price. These are ...
Advantages: Comes with a plastic container, it promises a speed of 10MB/s Disadvantages: 4GB actually correspond to 3.6GB, it is also quite pricey
I only recently bought a new Canon camera (which I previously reviewed) therefore I immediately needed a high capacity SD card but I knew nothing about this format so I went to indagate a bit. I'm sure you all know that SDHC are an extension of the SD standard and its name stands for Secure Digital High Capacity (often also called SD 2.0). Practically they allow capacities of more than 2GB.
Now this was all new to me and on Wikipedia I went to look for more info concerning their speed and performances. and this is what I found out:
SD Speed Class Ratings
SDHCcards have SD Speed Class Ratings defined by the SD Association. The SD Speed Class Ratings specify the following minimum write speeds based on "the best fragmented state where no memory unit is occupied":
* Class 2: 2 MB/s
* Class 4: 4 MB/s
* Class6 ...
The Sandisk Extreme III 4 GB Compact Flash Card is ideal for digital camera's and camcorders. I needed some extra memory for my digital camera so bought this.
Sandisk have a good reputation in developing flash memory cards so I thought I would go for this. With my digital camera I had a supplied 1GB card which to be honest isn't much when taking high resolution photos, it fill up pretty quick.
The Sandisk SD card is a good size at 4GB storage. It also has ESP technology which basically allows data on the card to be accessed quicker. This is great for fast loading especially when taking photos with a digital camera, as the last thing you want is to wait 1 min to just see the photos you just shot. This simply makes everything that little bit quicker. It can actually access your data at an incredible speed of 20MB per second ...
