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Quantum Atlas II (4,5),(9,1)GB USCSI-3

Quantum Atlas II 3.5-inch Hard Disk Drives

Quantum Atlas II 3.5-inch, 7,200 RPM hard disk drives are top-performing devices that meet the needs of high-end storage subsystems, video servers, and workstations. The drives offer high capacity and feature the most advanced technology for exceptional performance and higher areal density. Quantum Atlas II drives have the industry's fastest seek time for a 9.1 gigabyte (GB) drive at 8 milliseconds (ms). The drives are offered with an Ultra SCSI-3 interface.

Storage Capacity	Ave Seek Time	Rotational Speed
4.5 GB 9.1 GB	8.0 ms	7,200 rpm

Overview

Quantum Atlas^TM II 3.5-inch, 7,200 RPM hard disk drives are top-performing storage devices that meet the needs of high-end storage subsystems, video servers, and workstations. The drives offer high capacity and feature the most advanced technology for exceptional performance and higher areal density.

With formatted capacities of 4,550 MB, and 9,100 MB and an Ultra SCSI-3* (Wide 40 MB per second data transfers) interface, Quantum Atlas II disk drives are outstanding mass storage solutions for applications requiring the fastest data throughput. Systems that can benefit from the family's stunning performance include RAIDs, database servers, video servers, technical workstations, and video editing systems.

Optimized performance features include a custom SCSI controller, a sophisticated seek optimization algorithm, an embedded quadrature servo system, and a large multi-track segmented cache. Quantum Atlas II drives have the industry's fastest seek time for a 9.1 gigabyte (GB) drive at 8 milliseconds (ms).

Magnetoresistive (MR) heads on the drives push areal density to 910 MB per disk. In addition, Quantum's highly automated manufacturing process ensures the industry's highest reliability for its class.

Because Quantum Atlas II drives are used to store mission-critical data, they are extremely reliable. The drives have a reduced parts count, low power consumption, and high data integrity.

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