Seagate debuts enterprise hard drives

Seagate has debuted its new Barracuda ES and Savvio 10K.2 hard drives, which are optimized with a variety of storage requirements for the enterprise market. The Barracuda ES offers SATA capacities of up to 750GB, powers RAID systems as well as other multi-drive solutions, and can support 50 percent more capacity within the same form factor, according to Seagate. The second-generation 2.5-inch Savvio 10K.2 delivers high I/O transaction performance with a 1.6 million hour MTBF reliability, offering up to 146GB of storage capacity. The Savvio drive consumes an average of 15 percent less power than its prior generation, and boasts a size 70 percent smaller than conventional 3.5-inch drives (pricing and availability were unavailable).

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No SATA on Savvio drives

06/08, 9:25pm, EDT

Error: The small Savvio drives do not have SATA interfaces. So they may be irrelevant to Mac users.

They have interfaces for: - Ultra320 SCSI - SAS (Serial Attached SCSI)

SAS is new, and is used on Sun's latest servers.

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chadpengar

SAS and SATA share common

06/08, 10:31pm, EDT

I believe SAS and SATA share a common bus structure and with the correct controller both can be used on the same controller. That was my understanding after talking with an Areca guy about one of their new coming controllers.

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Only one-way compatible

06/09, 8:33pm, EDT

So close, yet so far!

It would be exciting to have a server farm of Intel Mac minis, but their conventional laptop drives are a bottleneck, both for speed and reliability. The new minis sport an internal SATA connector. So chadpengar's suggestion of SATA to SAS compatibility filled my head with dreams of replacing the stock drive with one of these new 2.5" enterprise-class hard drives.

Unfortunately, the compatiblity runs only one way. You can plug SATA drives into SAS environments, as SATA connector signals are a subset of SAS signals.

But 'no go' the other direction. SAS drives will not operate on a SATA controller and are keyed to prevent any chance of plugging them in incorrectly.

That info is from Adaptec: http://www.adaptec.com/en-US/products/sata_prod/_education/SAS_SATA_unprlcompat.htm

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