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


Replacement Part

SAS3x28R SAS Expander

Scale your server backplane with the 28-port expander

Specification Value
Lifecycle Obsolete
Distrib. Inventory No
Samples Available No
Storage Enclosure Processor (SEP) ARM926 @ 150MHz
Internal Memory 512KB
SAS Ports 24
Wide Port Support Yes
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
Package 29x29 mm
Security Features TRNG, Hash Generator
UART Interfaces Yes
SGPIO Interfaces 1 x SFF-8485

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