Which storage interfaces are supported by the MegaRAID SAS 9461-16i category?

The controller is listed under the 12Gb/s SAS, SATA, NVMe category. This indicates that it is aligned with solutions using 12Gb/s SAS, SATA, and NVMe interfaces. When selecting drives or backplanes, teams should match them to these interface types to stay within the intended category for this RAID controller family.

What system bus interface does the 9461-16I require?

The MegaRAID SAS 9461-16i is categorized with a PCIe 3.0 x8 interface. This means it is suited for installation in server platforms that provide a PCIe 3.0 slot with eight lanes available. Confirming the presence of a compatible PCIe 3.0 x8 slot in the host system is important before planning deployment.

What is the product type of the 9461-16I in an IT environment?

The MegaRAID SAS 9461-16i with SKU 9461-16I is categorized as a RAID controller under controllers for 12Gb/s SAS, SATA, NVMe with 16 internal ports and PCIe 3.0 x8. It is used to manage internal storage devices and provide hardware RAID capabilities consistent with the MegaRAID SAS 9461-16i platform classification.

Is the MegaRAID SAS 9461-16i suitable for systems using PCIe 3.0?

Yes, the MegaRAID SAS 9461-16i is listed with a PCIe 3.0 x8 interface in its category. This aligns it with servers that implement PCIe 3.0 expansion slots. When designing or upgrading servers, this classification helps ensure that the motherboard and chassis offer compatible PCIe 3.0 x8 slots for the controller.

9461-16I - LSI Logic Broadcom LSI 9461-16I 16 internal ports RAID controller

Name: LSI Logic Broadcom LSI 9461-16I 16 internal ports RAID controller
Brand: LSI Logic
SKU: 9461-16I
Price: 355 USD
Availability: InStock

9461-16I - LSI Logic Broadcom LSI 9461-16I 16 internal ports RAID controller | US IT Hardware

Product overview

The Broadcom LSI MegaRAID SAS 9461-16i is a RAID controller designed for environments that require multiple internal storage connections. Classified under 12Gb/s SAS, SATA, NVMe controllers with 16 internal ports and PCIe 3.0 x8, it supports integration into modern server platforms that use PCIe 3.0 expansion. The 16 internal ports make it suitable for systems that must attach a larger number of drives through a single controller, helping to centralize storage connectivity. With support for 12Gb/s SAS and SATA as well as NVMe connectivity, it fits a range of drive types and performance tiers within the same infrastructure. This model is positioned for IT teams building or refreshing storage backplanes where consistent interface standards and port density are critical selection factors. The controller provides a foundation for implementing hardware RAID configurations aligned with the capabilities of the MegaRAID SAS 9461-16i family.

16 internal ports for multiple drive connections
Operates in 12Gb/s SAS, SATA, NVMe category
PCIe 3.0 x8 bus interface classification
Broadcom LSI MegaRAID SAS 9461-16i platform
Suitable for dense internal storage layouts
Supports mixed SAS, SATA, NVMe environments

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Featuring

Manufacturer part #	9461-16I
Brand	LSI Logic
Condition	Refurbished
Model	MegaRAID SAS 9461-16i
Series	MegaRAID 9400 Series
Form Factor	Low-profile adapter card
Cache Memory	2 GB DDR4
Power Source	Powered from PCI Express slot (no auxiliary power connector)
Product Line	MegaRAID
Product Type	RAID controller card
Host Bus Type	PCI Express 3.1 x8

Best for

Dense internal storage
Suitable for servers that need to connect many drives through one controller, using the 16 internal ports of the MegaRAID SAS 9461-16i for consolidated internal storage.
Mixed interface storage
Applicable where 12Gb/s SAS, SATA, and NVMe drives must coexist on a single controller, leveraging the 12Gb/s SAS, SATA, NVMe category designation.
PCIe 3.0 host integration
Aligned with systems that provide PCIe 3.0 x8 slots, matching the controller’s PCIe 3.0 x8 interface classification for straightforward physical and electrical integration.
RAID-enabled internal arrays
Useful for building internal RAID arrays using the MegaRAID SAS 9461-16i platform within the 12Gb/s SAS, SATA, NVMe RAID controller category.
Scalable drive backplanes
Works for chassis and backplanes designed around 16 internal ports and 12Gb/s SAS, SATA, NVMe connectivity, enabling consistent scaling of internal storage.

Frequently asked questions

How many internal drives can the Broadcom LSI MegaRAID SAS 9461-16i connect?

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Cache Memory Size	2 GB onboard DDR4 cache

Cache Memory Type	DDR4 SDRAM cache

Bracket Form Factor	Full-height (high profile) bracket

Controller Processor	Broadcom SAS3516 dual-core RAID-on-Chip (RoC)

FastPath Optimization	Supports MegaRAID FastPath for high-performance SSD configurations

RAID Levels Supported	RAID 0, 1, 5, 6, 10, 50, 60

Supported Drive Types	SAS, SATA, and NVMe drives (Tri-Mode)

Maximum Virtual Drives	Up to 64 virtual drives per controller

Background Task Support	Supports background initialization, consistency check, and patrol read

Maximum Physical Drives	Up to 240 physical drives (SAS/SATA) and multiple NVMe drives through expanders and switch devices

RAID On Chip Generation	12 Gb/s SAS 3.0 RAID-on-Chip

End-to-End Data Protection	Supports T10 Data Integrity Field (DIF) for end-to-end data protection

Integrated Cache Protection	Supports CacheVault flash cache protection (supercapacitor-based)

Supported Operating Systems	Microsoft Windows, Linux distributions, and VMware ESXi (via MegaRAID driver support)

Logical Drive Cache Policies	Write-through, write-back, read ahead, and adaptive read ahead

Maximum Queue Depth per Device	Up to 254 outstanding commands per SAS or SATA device (typical for SAS3516-based MegaRAID 9400-series)

Device Link Data Rates Supported	12 Gb/s, 6 Gb/s, and 3 Gb/s SAS; 6 Gb/s and 3 Gb/s SATA

Maximum Number of Devices Supported	Up to 240 SAS/SATA devices using expanders

Performance

MTBF	Over 3 million hours (typical for MegaRAID 9400-series adapters)
Data Transfer Rate	12 Gb/s
Controller Throughput Class	12 Gb/s per SAS lane with aggregate bandwidth via 16 internal lanes
Host Bus Data Transfer Rate	Up to 8 GT/s per PCIe 3.1 lane

Input Voltage	3.3 V and 12 V supplied via PCIe edge connector
Typical Power Consumption	Approximately 13 W typical for MegaRAID 9461-16i adapter

Networking Ports & Interfaces

Interface	PCIe 3.0 x8
Connector Type	Mini-SAS HD
Internal Ports	16 internal ports
LED / SGPIO Support	Supports drive activity and fault LED management through SES and SGPIO on backplanes
Enclosure Management	Supports SCSI Enclosure Services (SES-2) for enclosure monitoring and control
Internal Drive Ports	16 internal Tri-Mode ports supporting SAS, SATA, or NVMe drives
Management Interface	Managed via MegaRAID Storage Manager (MSM), command-line interface, and system BIOS configuration utility
SAS Protocol Support	SAS-3 (12 Gb/s), SAS-2.1 (6 Gb/s), and SAS-1.1 (3 Gb/s)
Internal Port Mapping	Four internal x4 wide ports (16 total lanes)
NVMe Protocol Support	PCIe/NVMe SSDs via Tri-Mode internal ports
SATA Protocol Support	SATA III (6 Gb/s) and SATA II (3 Gb/s)
Drive Cache Management	Supports drive cache disable, enable, and forced write-through for data protection
Drive Interface Support	SAS, SATA, NVMe
JBOD / HBA Mode Support	Supports JBOD and HBA modes for direct device access
Internal Connector Style	Four internal mini-SAS HD (SFF-8643) connectors, each providing 4 lanes
Port Connector Type Detail	Uses internal mini-SAS HD (SFF-8643) connectors for Tri-Mode operation
Tri-Mode Interface Support	12 Gb/s SAS, 6 Gb/s SATA, and PCIe/NVMe on the same ports
Cable Type for Internal Ports	Mini-SAS HD internal fan-out cables to SAS/SATA or U.2/U.3 NVMe drive backplanes
Maximum NVMe Devices Supported	Up to 24 NVMe drives (via backplanes and expanders, depending on system design)
Online Capacity Expansion Support	Supports Online Capacity Expansion (OCE) and Online RAID Level Migration (RLM)

LSI Logic Broadcom LSI 9461-16I 16 internal ports RAID controller