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RAID Controller Broadcom 9540-8i 12 Gbit/s SAS3808
The MegaRAID 9540-8i Tri-Mode Storage Adapter is a PCIe Gen 4.0 RAID controller card based on the SAS3808 PCIe 4.0 x8 IO Controller. It delivers PCIe Gen 4.0 host and storage interfaces and offers up to 12 Gbit/s SAS/SATA throughput while supporting NVMe devices in mixed environments. Designed for entry-level servers and workstations, the adapter targets small and medium businesses needing affordable, reliable storage with RAID data protection.
The Broadcom 9540-8i provides higher throughput and lower latency compared with previous generations by leveraging the SAS3808 controller and PCIe Gen 4.0 x8 host interface. Tri-Mode SerDes technology enables automatic negotiation between NVMe, SAS and SATA protocols on the same drive bay, improving flexibility when mixing drive types. The adapter supports common RAID levels (0, 1, 10) to deliver basic redundancy and performance options for critical applications.
Install the RAID controller into an available PCIe x8 (or x16) slot on the server or workstation motherboard following standard anti-static procedures. Connect drive backplanes or direct-drive cables to the adapter’s SAS/SATA ports or to NVMe-capable bays as applicable. Configure RAID arrays and initialization using the server BIOS/UEFI RAID configuration utility or Broadcom/LSI management tools compatible with the MegaRAID 9540 series. Verify firmware compatibility and update the controller firmware if required before placing the system into production.
For reliable operation, use drives from the same performance class when creating RAID arrays, maintain up-to-date controller firmware and drivers, and ensure adequate cooling in the chassis to support PCIe Gen 4.0 and high-throughput SAS/NVMe workloads.
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