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SAS35x40 SAS Expander Provide high performance and connectivity for dense storage and server applications


Deliver the highest class of expander scalability and performance available. Enabled for the latest 12Gb/s SAS and SATA specifications, the SAS35x40 supports T-10 zoning across 255 zones, port mirroring, spread spectrum clocking, and twelve I2C interfaces for enclosure management and debugging. DataBolt bandwidth optimizer technology aggregates bandwidth to provide 12Gb/s SAS performance to the host when using 6Gb/s and 3Gb/s SATA end devices, making it ideal for high-capacity and other storage applications. The 35x40 expander is supported by an industry-leading Software Development Kit (SDK) and tool suite for easy integration, de-bug and troubleshooting.
  • Enable higher enclosure capacities through 40 PHY edge expansion
  • Provide high device throughput with SAS and SATA support up to 12Gb/s, including wide port support
  • Aggregated bandwidth provides higher total performance with DataBolt technology
  • Lowest power utilization expander and industry-leading SerDes for performance and robustness

    Specification Value
    Lifecycle Active
    Distributor Inventory No
    A/D Converter 1, (2 analog inputs)
    Data Transfer Rates SAS up to 12Gb/s
    DataBolt Bandwidth Optimizer (EDFB) All ports (Broadcom IP)
    DDR Interface DDR3 20-bit interface (16 bits data w/ 4 bits ECC)
    Direct, Table, & Subtractive Routing Methods Yes
    8-bit SEP interface Yes
    Ethernet Management Ports Yes
    External Memory Interfaces 8-bit and 16-bit Flash, w/ 6 Chip Selects SRAM, NVSRAM
    Generation 12 Gb/s
    GPIO 16
    Instructions 1.6 DMIPs/MHz
    Internal Memory 2MB SRAM
    LED 1 Pin per Phy
    Package 28nm, FPB4NGS, 29mmx29mm
    PHY-Based Zoning, T-10 Zoning Yes
    Port Mirroring Yes (Broadcom IP)
    Pulse Width Modulator 2
    Route Table Entries 2048
    SAS Ports 40
    Security Features TRNG/Hash & HMAC Generator/Secret Root Key
    SGPIO Interfaces 2 x SFF-8485
    SSC (Spread Spectrum Clocking ) Yes
    Storage Enclosure Processor (SEP) ARM Cortex-R4 @ 300MHz
    T-10 Optical Support Yes
    I2C Interfaces 12
    UART Interfaces Yes
    USB 2.0 Interfaces 1
    Wide Port Support Yes