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New, fast solid state drive claims breakthrough

By sanjay.gupta

Added 2nd May 2012

HGST's 12Gbps Serial Attached SCSI drive is touted to become a favourite for building enterprise servers, storage boxes

HGST (formerly Hitachi Global Storage Technologies and now a Western Digital company) has announced the storage industrys first technology demonstration of a 12 gigabit per second (12Gbps) SAS solid state drive (SSD), representing the next performance step in the evolution of SAS, the preferred interface technology for enterprise servers and storage solutions.

SAS SSDs and hard disk drives (HDDs), with their rich SCSI heritage, continue to be the building blocks of choice for enterprise and cloud storage. Enabling next-generation storage solutions, 12Gb/s SAS is a broadly supported industry standard as it delivers twice the throughput compared to todays 6Gb/s SAS solutions, while maintaining established enterprise protocols and attributes. It is also backward compatible with 6Gb/s SAS for investment protection in current SAS infrastructures.

One of the enterprise features of today's SAS drives is a second interface port that provides additional bandwidth to the drive. With 12Gb/s SAS on each of these ports, the drive can transmit and receive data at a rate of 12Gb/s, resulting in a total available interface bandwidth of 4.8GB/s per drive. With this speed, enterprise and cloud datacenters will be able to reduce latency by harnessing the ultra-high performance of SSDs or by improving the performance of large-scale HDD infrastructures.

We have successfully achieved interoperability between our 12Gb/s SAS drive and 12Gb/s SAS HBAs and expanders from both LSI and PMC-Sierra, said Brendan Collins, vice president of product marketing, HGST. Meeting these interoperability milestones is critical when preparing the industry for the adoption of a new interface standard.

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