Broadcom MegaRAID SAS 9540-16i

Brand: Broadcom | Category: Accessories & Components

SKU: broadcom-9540-16i-raid-controller | Part #: SAS9540-16i | MPN: SAS9540-16i

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The Broadcom MegaRAID SAS 9540-16i is a 16-port SAS/SATA RAID controller card engineered for enterprise storage subsystems that demand reliable, high-throughput disk management. This add-in card integrates directly into any server platform with available PCIe 3.0 x8 slot space, making it the preferred choice for storage architects and infrastructure teams building dedicated storage appliances, NAS systems, or expanding internal drive capacity in large-format servers across data centres and enterprise deployments throughout the GCC region.

At its core, the SAS9540-16i operates as a dedicated storage controller, handling all disk array logic independently of the host CPU. The card features 16 internal SAS/SATA ports, allowing direct attachment of up to 16 physical drives—a practical limitation that positions this controller in the mid-range segment for single-controller deployments. Broadcom engineered the 9540-16i with dual-core processing and 2GB of DDR3 DRAM cache, enabling intelligent write coalescing, read-ahead prefetching, and RAID computation offload that visibly reduces host CPU overhead in storage-intensive workloads. The combination of PCIe 3.0 x8 connectivity and onboard cache memory creates a coherent storage pipeline that systems administrators and storage teams rely on when SAN scalability isn't economically justified but internal RAID redundancy is non-negotiable.

The Broadcom MegaRAID firmware suite on the SAS9540-16i supports the full spectrum of RAID configurations expected in professional deployments: RAID 0 for performance-critical temporary storage, RAID 1 for essential system partitions, RAID 5 for balanced protection in general-purpose environments, RAID 6 for two-drive fault tolerance in larger arrays, RAID 10 for databases requiring both speed and redundancy, and RAID 50/60 for spanning protection across multiple virtual RAID groups. JBOD mode remains available for organisations that prefer to manage RAID in software or at a higher architectural layer. This flexibility means the SAS9540-16i works equally well in Windows Server storage clusters, Linux-based storage appliances, VMware environments, and heterogeneous hypervisor infrastructures—a breadth of compatibility that has made Broadcom MegaRAID controllers the de facto standard for mid-market storage integration across Asia-Pacific and Middle Eastern data centres.

Physical deployment is straightforward: the SAS9540-16i ships in both full-height and low-profile form factors, fitting standard PCIe x8 slots in 1U, 2U, or larger server chassis without mechanical interference. Power draw peaks at 15W under full load, a modest envelope that rarely triggers power-distribution redesigns even in tightly packed server environments. The card does not require external power connectors; all voltage rails derive from the PCIe slot itself. Broadcom provides comprehensive management tools—command-line utilities, web-based GUI interfaces, and SNMP integration—allowing remote monitoring of array health, predictive failure detection, and firmware updates without operational interruption. For storage engineers managing hundreds of servers across multiple data centre locations, this standardisation on Broadcom tooling across the SAS9540-16i and complementary MegaRAID models translates to lower training overhead and faster incident response when drive failures occur.

Real-world deployments of the SAS9540-16i typically cluster around three scenarios. First, organisations building dedicated storage appliances—whether NAS units, backup targets, or archive systems—use the card as the primary array controller, pairing it with 8–16 drives and exporting capacity via NFS, CIFS, or iSCSI to the broader network. Second, large-format servers destined for database or virtualisation workloads benefit from local RAID-protected storage tier, reducing dependency on SAN fabric and lowering per-gigabyte storage cost for non-critical data. Third, AI infrastructure teams deploying GPU-accelerated compute clusters occasionally integrate the SAS9540-16i to manage local NVMe or SAS SSD arrays—though SSD-specific controllers are increasingly favored for that use case. The Part number SAS9540-16i appears consistently in enterprise procurement specifications and bill-of-materials documents across financial services, telecommunications, and government sectors throughout the Middle East and South Asia.

Interface, Cache, and RAID Capabilities

• 16 internal SAS/SATA ports supporting both drive types in the same array, with no per-port protocol negotiation delays
• PCIe 3.0 x8 host interface delivering up to 8 GB/s theoretical bandwidth, sufficient for sustained multi-drive sequential workloads without saturation
• 2GB DDR3 DRAM on-board cache with battery-backed write cache option available, enabling safe power-loss protection in critical installations
• RAID 0, 1, 5, 6, 10, 50, and 60 support with automatic RAID-6 rebuild throttling to prevent excessive latency during recovery
• Full-height and low-profile mechanical options fit any standard PCIe x8 slot in enterprise server chassis
• Broadcom MegaRAID management suite includes web GUI, CLI tools, and SNMP traps for integrated monitoring in existing NOC platforms
• 15W maximum power consumption with no auxiliary power connector requirement, ideal for power-constrained infrastructure
• Operating system compatibility across Windows Server 2012 R2 and later, Linux kernels 2.6.32 and later, VMware ESXi 5.5 and later, and Citrix hypervisors

Omnixon Global holds regional stock of the Broadcom MegaRAID SAS 9540-16i at our Dubai distribution facility, serving immediate deployment requirements across the UAE, Saudi Arabia, Kuwait, Qatar, and broader Asia-Pacific territories. Our team understands the technical and commercial constraints of enterprise storage procurement—whether you are architecting a new data centre refresh, expanding existing storage capacity, or replacing failed hardware in production systems. Contact our sales engineering team to discuss compatibility verification, bulk pricing, and logistics for your next storage infrastructure project.