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Microchip Technology SmartRAID 3254-8i RAID controller PCI Express x8 24 Gbit/s
The Microchip Technology SmartRAID 3254-8i RAID controller is a high-performance tri-mode adapter (SAS/SATA/NVMe) designed for server OEMs, storage systems, data centers and enterprise environments. Built on Microchip's 5th generation SmartROC 3200 controller, the card provides a x8 PCIe Gen4 host interface and up to eight media-facing ports for internal connectivity. It supports native HBA modes, industry-standard management interfaces, and security features including a hardware root of trust and Self-Encrypting Drive (SED) management.
The SmartRAID 3254-8i delivers increased throughput and reduced latency through DirectPath PCIe switching and Dynamic Channel Multiplexing (DCM) for efficient aggregation of expander-attached SAS/SATA drives on 24G SAS infrastructure. Native HBA support offers the lowest latency for PCIe memory-based storage. The adapter also includes platform security aligned to Open Compute Security Project standards and compatibility with SED management, PLDM/Redfish device enablement, Intel Virtual Pin Port (VPP) and Universal Backplane Management (UBM) for simplified integration.
Install the SmartRAID 3254-8i into a compatible PCIe x8 (or x16) slot on the server motherboard and connect internal media-facing ports to the system backplane or drive cages using appropriate SAS/SATA/NVMe cabling or backplane connectors. Configure the adapter in firmware/UEFI or via the vendor's management tools to select RAID or native HBA mode, set RAID level, initialize arrays and manage SED features as required. Use provided diagnostics and management utilities (for example Microchip ChipLink Diagnostic Tool and PLDM/Redfish-compatible interfaces) to verify signal integrity, monitor status and complete system integration tasks.
For best performance, use the SmartRAID 3254-8i with a PCIe Gen4-capable host platform and 24G SAS infrastructure. Choose native HBA mode for lowest-latency NVMe or memory-based PCIe storage, and use DCM when aggregating expander-attached SAS/SATA drives to maximize link efficiency.
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