SAN JOSE – The HGST division of Western Digital demonstrated a solid-state disk drive with a 12 Gbit/second Serial Attached SCSI interface working with chips from LSI and PMC-Sierra. The tech demo represents another milestone in the roll out of the next generation storage interface.
The demo is an effort to get ahead of a Silicon Valley event next week where members of the SCSI Trade Association will publically show 12G SAS and other products. The fast SAS interface will compete with NVMe, a PCI Express interface expected to be used on a wide range of flash drives and components from vendors to emerge later this year.
HGST (formerly Hitachi Global Storage Technologies and now a Western Digital company) said its 12G SAS flash drive delivers twice the throughput of today’s 6G SAS products. Because SAS drives support two ports, the new product can deliver a total of 4.8GBytes/s per drive, the company said.
The demo showed the flash drive working with expanders from both LSI and PMC-Sierra. The STA expects this year to be one where initial 12G SAS products are launched with market adoption coming in 2013.
All the major storage interfaces, including SAS and serial ATA, are migrating to PCI Express transport in the future.
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