Yamaha R4 2010

The idea behind the new speed classification approach is that it allows the user to select the card speed based on the needs of individual applications, such as This was something that was not possible with the old SDA standards. The new SD card, SDA specifications allows for all manufacturers to share common sustained data transfer speed standards. The SDHC card comes in three speeds - Class 2, Class 4 and Class 6. The new SDHC cards guarantee the user a minimum sustained data transfer speed which is a change from the SD card way of doing things which supplies a maximum speed guarantee.

This includes digital cameras, MP3 players, camcorders, PDAs, and much more. SDHC memory card standard provides removable SD card memory storage of far great capacity of up to 64gb for all types of digital devices. SDHC stands for "Secure Digital High-Capacity" and is now available and is based on the Secure Digital Association or "SDA" 2.00 specification. So they have introduced the SDHC memory card standard.

The introduction of high definition video and high mega pixel photography would not have been possible if the SD organization had not come up with a faster storage system than the limited 2gb SD card standard. Of course requirements have moved on in terms of video recording technology and photography and SD cards need to move with the times. Ever since the introduction of SD cards a couple of year ago the format has gone from strength to strength.  So what are the differences between SD Cards and SDHC Cards?