SAS2x28 SAS Expander

Give SAS and SATA drive enclosures and external RAID subsystems the connectivity your enterprise applications deserve

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The SAS2x28 Expander is designed for external storage subsystems. Fully backward compatible with our prior-generation expander, it delivers higher 6Gb/s SAS and SATA performance while preserving functionality.
  • Enable higher enclosure capacities through 28 PHY edge expansion
  • Ensure ample enclosure bandwidth through integrated RAM and an ARM926 processor
  • Customize unique firmware solutions with software development kits (SDKs)

Lifecycle Status


Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
Samples Available Yes
Internal Memory 512KB
SAS Ports 24
Port Mirroring Yes
Direct, Table, & Subtractive Routing Methods Yes
SSC (Spread Spectrum Clocking ) Yes
Route Table Entries 1024
PHY-Based Zoning, T-10 Zoning Yes
Ethernet Management Ports 1 x 10/100
External Memory Interfaces 8-bit and 16-bit Flash, SRAM, NVSRAM
12C Interfaces 4
LED 3 Pins per Phy
Security Features TRNG, Hash Generator
UART Interfaces Yes
SGPIO Interfaces 1 x SFF-8485


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