This auction is for one lot of 2 JMicron JMB393-QGJD0B 64-Pin QFN Port Multiplier Chip.
Condition: New JMicron JMB393 is a single chip, 1 to
5-ports Serial ATA II Port Multiplier with RAID function support. It is
designed to provide SATA port expansion, data protection and performance
aggregation at various applications.
JMB393 uses JMicron's
production-proven Multi-port Serial ATA PHY technology and JMicron-proprietary
storage processor to provide very high efficient SATA RAID operation. With an
easy configuration scheme, the device can be a pure port multiplier which
provides SATA port expansion just like a SATA Hub, or hard-drive performance
booster which provides a high performance device seen by host controller or
hard-drive data protector which automatically backup data to prevent data loss
from hard-drive damage. JMB393 also has advance mode to provide both benefit of
performance boost and data protection.
JMB393 is a self-contained storage
processor chip which completely frees up the main CPU loading and the SATA
ports comply with eSATA specification, making it suitable for use in both
internal system and external storage applications
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