LSISASx28 SAS Expander
  • 28-Port, 3Gb/s SAS Expander
  • Provides enclosure management and extended SAS SMP functions
  • Enables large storage environments the ability to connect multiple targets and initiators
LSISASx28 SAS ExpanderEnlarge this
​

Features

  • 28 fully-independent SAS and SATA ports
  • SSP, SMP, STP and SATA protocol support
  • Supports 1.5 and 3Gb/s SAS and SATA data transfer rates
  • Port independent auto-negotiation
  • Ports are non-denominational
  • Provides a low latency connection router with crossbar module to efficiently create and maintain connections
  • Direct, subtractive decode, and table routing methodologies supported
  • Provides a scalable interface that supports up to 1024 SAS addresses
  • Supports wide and narrow port configurations
  • Phy-based zoning for system security
  • SATA/SAS HDD spin-up sequencing, configurable on a per-phy basis
  • SGPIO (SFF-8485) support provides additional data modulation for blink rates and blink patterns
  • 8 GPIO pins
  • 3 LEDs per phy
  • Internal 8KB ROM can be used for boot options
  • External interface support
  • Diagnostic capability

Benefits

  • Common programming model for external SEP and internal processor for enclosure management
  • Provides greater scalability and performance benefits for the next-generation, enterprise-class products
  • Low risk mitigation
  • Backward compatible external SEP interface with the SASx12 and SASx12A
  • Leverages existing SCSI infrastructure for investment protection
Product Brief (1)
Product Guide (1)