SIIG's long-term business vision, comprehensive product line, effective marketing strategy and exceptional customer support have made SIIG the leading brand for computer add-on products. High-quality control standards are evident by one of the lowest defective return rates in the industry. PRODUCT FEATURES: Add Serial ATA RAID (with NCQ) speed and security to your desktop; Supports RAID 0 (stripe) for performance and RAID 1 (mirror) for data reliability.