24G SAS Expanders Address High Bandwidth Storage

Microsemi claims its SXP 24G family of devices are the industry's first 24G SAS (SAS-4) expanders for server and networked storage. Reportedly, 24G SAS doubles the bandwidth of the storage interconnect, which enables the full bandwidth of the PCIe Gen 4 to be utilized by the storage interconnect.


The SXP24G family includes an enhanced firmware development framework that enables users to preserve their firmware investment in prior generations of Microsemi's SAS expanders. The devices also feature Trusted Platform support, a unique level of platform security, which includes hardware root of trust that is aligned with initiatives like the Open Compute Security Project.

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SXP 24G series highlights:

  1. Multiple device variants ranging from 28 ports to 100 ports per device
  2. Innovative Dynamic Channel Multiplexing (DCM) provides full utilization of 24G SAS bandwidth uplinks when aggregating 24G SAS, SAS-3, SAS-2 or SATA drives
  3. Significant power reduction compared to prior generations
  4. Firmware development framework backwards-compatible with existing SXP products

The SmartROC 3200 and SmartIOC 2200 are part of a full end-to-end solution of storage infrastructure and endpoint solutions for PCIe Gen 4 and 24G SAS.


For additional information, visit


For details on SXP 24G prototype availability, contact [email protected]

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