This IDC study analyzes Japan's 2004 and 2005 ATA/SATA disk storage system market and presents a market forecast for 2006?2009. Market sizes are calculated based on the actual revenue, terabyte shipments and unit shipments in 2003, 2004, and 1H05; and based on the forecast revenue and terabyte shipments up to 2009. Supplier shares are calculated based on the actual revenue and terabyte shipments in 2003, 2004, and 1H05.

"Low-cost high-capacity ATA/SATA disk storage systems have the potential to change the direction of Japanese companies with regard to storage investment. It will be important for disk storage system suppliers to incorporate ATA/SATA disk storage systems into the data management solutions they provide to users," observes Masaaki Moriyama, Group Director, Storage/Server, IDC Japan.