The 2GB memory cards not only have a huge capacity of storage but also a fast rate of data transfer together with the profound security and appears in the size of a postage stamp. The memory cards will be the correct choice for the smart phones, laptops, digital cameras and MP3 players due to its superlative performance and the desired value given to the end customers for the money spent.The files can be uploaded from the equipment that are configured with the secure digital memory card to the desktop computers or even to a laptop very comfortably. This process is undertaken at a very high speed due the capacity of 2GB memory card that enables the digital files transfer or downloading quickly in between the various devices like computers, laptops, internet and other digital equipment.This memory card is made up of unstable components. The additional sturdiness and the dependability cannot be obtained from this memory card due to the non-availability of movable parts which smash or show off. The reading rate of this memory card is generally 5 MB and the writing rate is approximately 1.5 MB per second. The temperature range at which this memory card operates is from 0-360C or in other words 32-1400F and this device can be accommodated to any type of weather conditions.It is considered as a very simple device and very easily it can be plugged and in turn played. It is also instituted as an economical one as the utilization of power is very low and the life of the battery is also preserved. The data stored in this memory card will not get lost due to the availability of the write protection switch that is built in the device. This device can be operated with the help of 3.3 volts.The one more type of card that is floated in the market which captures more demand is the Mini Secure Digital Memory Card. It is of extremely superior quality and a really awesome product. The function of this mini card is the same as that of the regular card. The only difference is the size. These mini SD cards can also be used for storing digital images, videos, files of MP3 and any data required on the mobile phones. There are various varies of mini SD cards that go upto the range of 1024 MB. An adapter can be used to convert the mini card to a standard card which can be used in the various SD compatible equipment that are sold in the market. This memory card is just protected with the plastic case and there is no packaging in retail. These cards are available in the market with a guarantee of one year. The warranty period differs from company to company. Some companies do provide a travel kit to preserve this memory card when not in use to avoid any unwarranted damages.