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[ INDIVIDUAL COMPONENT // STORAGE / DISK I/O ]

Broadcom SAS 9400-16e

16 external lanes on 4 × SFF-8644 Mini-SAS HD connectors; SAS 12 Gb/s and SATA 6 Gb/s; NVMe is topology/backplane dependent, not a universal external-SAS capability. This model-specific archival record distinguishes adapter functionality from host-platform compatibility.

Original schematic illustration for Broadcom SAS 9400-16e
SCHEMATIC // STORAGE / DISK I/O ADD-IN CARD

MODEL SCOPE: Broadcom SAS 9400-16e. Verify PCB revision, full manufacturer part number, firmware package, bracket and supplied cable set; OEM equivalents may differ.

Reference specifications

Model / SKUBroadcom SAS 9400-16e
Controller / chipsetBroadcom SAS3416 Tri-Mode I/O controller
Host bus / lanesPCI Express 3.1 x8 host interface; 16 SAS PHYs
Ports / connectors16 external lanes on 4 × SFF-8644 Mini-SAS HD connectors
Supported disk protocolsSAS 12 Gb/s and SATA 6 Gb/s; NVMe is topology/backplane dependent, not a universal external-SAS capability.
RAID / HBA modeHBA/eHBA mode; no hardware RAID volume management on this HBA SKU. Disks are exposed to the operating system; software RAID/filesystem features are host-side.
Firmware / drive compatibilityUse Broadcom firmware and utilities for the exact HBA model and board revision. Confirm drive sector format, enclosure/backplane protocol routing, SAS expander support, cable pinout, and negotiated link rate; do not cross-flash MegaRAID or OEM firmware.
OS / driver notesUse a Broadcom-supported OS driver package for the exact adapter and OS release. Linux commonly uses the mpt3sas driver; validate the vendor OS/driver matrix for Windows, VMware, FreeBSD, and enterprise distributions before deployment.

Compatibility, care & archival notes

  • HBA mode presents disks to the host without controller-managed RAID. Validate enclosure expander, cable length/type, power, and drive protocol before attaching a multi-drive shelf.
  • PCIe slot shape does not guarantee electrical lane wiring or sufficient bandwidth; check motherboard bifurcation and resource-sharing rules.
  • Back up data and record firmware, driver, enclosure, disk model, sector format and link negotiation before changing a production host.

Sources & further reading

  1. Broadcom — 9400 Series Tri-Mode Storage HBAs Product Brief (manufacturer product brief)Official family specification covering the model line, interfaces, supported storage modes, and available adapter configurations.
  2. Broadcom — 94xx MegaRAID and HBA Tri-Mode Storage Adapters User Guide (manufacturer user guide)Official installation, cabling, firmware, configuration and compatibility guidance; consult the exact model-specific tables.