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: Supports a 1-lane (x1) 2.5Gbps PCI Express bus one-way; Installs in any available PCI Express slot; Standard height and low profile brackets are included to work in different chassis form factors; Two internal Serial ATA generation II ports with transfer rates of 3.0Gbps (300MBps); Supports RAID 0 (striping) and 1 (mirroring) for speed and data protection.