<P>The Barracuda 4XL Ultra-SCSI Wide drive has a capacity of 4.55GB, runs at 7200rpm and has a seek time of only 9.4ms. This SCSI hard drive may require formatting and partitioning software for optimal outcome. Seagate offers comprehensive worldwide customer support for all Seagate products. And by using system components manufactured by Seagate, you are assured a higher level of reliability and are less likely to experience compatibility problems. Seagate testing is among the most rigorous in the industry so you can be confident that you re receiving the highest quality and dependability. </P>