SAS3x28R SAS Expander Scale your server backplane with the 28-port expander
Designed for connecting multiple targets and hosts, and featuring a small footprint, the SAS3x28R expander provides high performance expansion for the most demanding storage applications. 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-capcity and other storage applications. Optimized for server backplanes with limited space, this 28-port expander’s scalability, fault tolerance, and software support will make your storage applications perform like never before.
Enable higher enclosure capacities through 28 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
Ensure ample enclosure bandwidth through 2MB of integrated RAM and an ARM Cortex-R4 300 MHz processor
| | Specification | Value |
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| Lifecycle | Active | | Distrib. Inventory | No | | Samples Available | Yes | | Storage Enclosure Processor (SEP) | ARM Cortex-R4 @ 300MHz | | Instructions | 1.6 DMIPs/MHz | | Internal Memory | 2MB SRAM | | SAS Ports | 28 | | Wide Port Support | Yes | | Port Mirroring | Yes (Avago IP) | | Direct, Table, & Subtractive Routing Methods | Yes | | SSC (Spread Spectrum Clocking ) | Yes | | 8-bit SEP interface | Yes | | Route Table Entries | 2048 | | A/D Converter | 1, (2 analog inputs) | | Data Transfer Rates | SAS up to 12Gb/s | | PHY-Based Zoning, T-10 Zoning | Yes | | DDR Interface | | | Ethernet Interface | | | Ethernet Management Ports | | | External Memory Interfaces | 8-bit and 16-bit Flash, w/ 6 Chip Selects SRAM, NVSRAM | | GPIO | 16 | | 12C Interfaces | 5 | | LED | 1 Pin per Phy | | Package | 27x27 mm | | Security Features | TRNG/Hash & HMAC Generator/Secret Root Key | | T-10 Optical Support | Yes | | UART Interfaces | Yes | | Pulse Width Modulator | 2 | | SGPIO Interfaces | 2 x SFF-8485 |
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