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INTRODUCTION
This SATA 300 RAID PCI Express Card (also known as a low-profile PCI-Express host adapter)
is a controller board that supports both low-profile and regular-size PCI in one card.
The card can upgrade your desktop computer to a 2-port with a SATA 300 transfer rate of
3 Gbps, and supports RAID 5, RAID 0+1, RAID 0, RAID 1 and JBOD features. It accepts host
commands through the PCI Express bus, processes them and transfers data between the host
and SATA 300 devices. When connected to a SATA target device, the card will take the data,
serialize it and output it for transmission over the SATA interface. It can control four independent
SATA channels — each with its own SATA bus — and will support one SATA device.
The card supports SATA 100 and 300 transfer rates of 1.5 Gbps / 3 Gbps. It comes complete
with drivers for Windows 2000, XP and Server 2003.
RAID (redundant array of independent disks) greatly enhances two main areas of data storage:
performance and data integrity. By using RAID 0, also known as "Striping," performance of
sustained data transfer rates is greatly enhanced by simultaneously writing data to two, three or
four drives. The second benefit of RAID is data redundancy. RAID 1 (Mirroring) writes identical
data on two drives or sets of drives, thus protecting the data from a disk failure. If, for any
reason, one drive were to fail, your data is secure and available from the mirrored second
drive.