If you possess PDA, you would definitely want to have all these great programs, files, books and digital photos. For this reason you need a PDA storage card, which is designed to add more memory and is accepted by all modern PDA. You can also own many cards, interchanging them whenever you need the data on them.
There are various types of PDA storage mediums as far as price and capacity are concerned. The cheapest option is a Compact Flash card, which is used by both PDAs and digital cameras. Flash technology, which is used in Compact Flash cards doesn't require a battery to contain data indefinitely. Such cards have the reputation of solid, and hence, immune to damage from movement.
Multi media cards are used in some MP3 players. They are beneficial due to their small size. However Multi Media cards are slow and are considered to be inferior to Secure Digital cards in this aspect. SD cards have a sliding lock, designed to protect the data on them and cryptographic copyright protection, useful for books and music. SD cards are much faster than MMC cards, which is of importance in case you run programs from playing MP3 files or memory card.
Memory sticks are Sony's invention. They are designed in a long rectangular form and range in capacity from 16 to 128 megs. Today memory sticks are less expensive than they used to be and compete in price with CD cards. However memory sticks can work in Sony products only. Magic Gate memory sticks perform the same functions as do regular memory sticks, but in addition they have strong copy protection and are able to support ATRAC3 audio format. Magic Gate memory sticks are much more expensive and difficult to purchase.
One more type of PDA storage medium is a Pro card, which is a joint development of San Disk and Sony. The capacities of these cards include 256 meg, 512 meg and 1 gig. Pro cards have a number of advantages over regular sticks. They offer larger capacity and are much faster, showing twofold faster speed than regular sticks.
Memory Stick Select cards are double-sided and produce the effect of two 128 meg memory sticks. In spite of the added chips, Memory Stick Select cards are of the same size as standard memory sticks.
Toshiba has introduced its large capacity PDA storage Hopbit of late. The hard drive provides PDA with 5GB of storage space, which can be accessed wirelessly. Hopbit was introduced to the total public at the World PC Expo show in Tokyo. The capacity of the device has been increased tenfold and is regarded as the largest memory card on the market, which is able to hold nearly 1,000 MP3 audio tracks and 3,000 digital images from a 3-megapixel camera.
Being on sale since November, Hopbit is attractive option for users, who want large storage space at a low cost. Hopbit is a profitable investment, since it offers sevenfold storage space of Secure Digital memory cards, which are sold at the same price. Hopbit's battery is another accomplishment, allowing the device to run for nearly 200 hours off a single charge. Should Hopbit be a success on the Japan market, it will be put on sale overseas in the near future.
The company also plans to introduce a new mini keypad, which is expected to come on sale till the end of the year.