Buffalo Technology (http://www.buffalotech.com) has announced a refresh of the DriveStation Duo and DriveStation Quad, formerly DriveStation Quattro, representing the latest generation of high-performance direct attached storage solutions.

The new multi-drive external hard drives, equipped with NovaBackUp Business Essentials, are designed for small servers, creative professionals, offices and consumers requiring redundant and high performance external storage. Also announced today is the new DriveStation Axis, a single drive storage solution.

The DriveStation Quad is a 4-drive, RAID enabled storage solution for small servers, creative professionals, offices and consumers requiring large, redundant and high-performance external storage. Equipped with four hard drives, DriveStation Quad supports RAID 0, 5, 10 and Normal modes, but ships configured in RAID 5 for a balance between data redundancy and available storage capacity.

Additionally, DriveStation Quad supports USB 2.0 for compatibility with almost any computer and eSATA 3.0 for data transfer rates of up to 235 MB/s. A heavy-duty cooling system allows the unit to run cool and quiet while the snap-off front plate allows for drive replacements with no tools required. The DriveStation Quad is available in capacitie up to 8TB.

The DriveStation Duo dual-drive storage solution features USB 2.0 support for universal compatibility and performance speeds up to 225 MB/second with eSATA 3.0. Equipped with two quick swap hard drives, the DriveStation Duo supports RAID 0 and 1 offering data redundancy or the capacity required for demanding professional and server application.

For value-minded consumers, Buffalo’s new single drive DriveStation Axis is a external hard drive for the simple addition of external storage to any device via a USB port. DriveStation Axis features a chassis that can be positioned vertically or horizontally.

The DriveStation Quad will be available in late August at estimated street prices of US$624.99 for the 4 TB and $1134.99 for the 8TB model. The DriveStation Duo is due in September at$274.99 for the 2TB model and $454.99 for the 4TB version. The DriveStation Axis is also due in September at $104.99 for the 1TB version, $124.99 for the 1.5TB edition and $169.99 for the 4TB model.