Vgp-Mca20 is a memory card adaptor that was released by Sony to help people to reads data in their memory cards when using their Vaio laptops. It was released prior to the introduction of the modern memory cards and card readers. This device will help you read the content from a 2GB SD card. The device fails if your card has a memory of more than 2 GB. You can also read SDHC cards from your digital camera on your Vaio laptop using this wonderful memory card adaptor. This adaptor is a very convenient way to keep on media that is removable. You can insert xD, SD, MMC, and SMC cards into this adaptor to be easily read and seen on Sony Vaio laptops. There is a PCMCIA slot in every Vaio laptop to insert this memory card adaptor. Sharing of media content becomes very easy with the help of this memory card adaptor. Do not forget to install Sony Vgp-Mca20 driver in your Sony Vaio laptop before inserting this device as otherwise your laptop will not recognize it. Keep this small and handy memory card adaptor in your laptop bag to be always ready to read and share content in memory cards.