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Green circuit board with silver heatsink and four blue SFF-8643 ports

LSI

LSI 9300-16i HBA SAS controller 16-port 12Gb/s

SKU CH-0H2T-CR9WY

Sixteen-port SAS HBA with dual SAS3008 controllers delivering 12 Gb/s per lane over PCIe 3.0 x8 using four SFF-8643 connectors, flashed to IT mode firmware P16 for ZFS, TrueNAS and unRAID

  • 16-port 12 Gb/s SAS connectivity for high-density storage
  • PCIe 3.0 x8 interface delivers ample host bandwidth
  • Dual SAS3008 controllers provide 16 independent SAS lanes
  • Pre-flashed IT mode firmware suits ZFS and unRAID deployments
  • Four SFF-8643 connectors enable flexible drive cabling

LSI 9300-16i 16-port SAS HBA

This LSI 9300-16i host bus adapter provides sixteen 12Gb/s SAS lanes through four SFF-8643 connectors. It connects SAS or SATA drives via a PCI-E 3.0 x8 interface using dual SAS3008 controllers. The card arrives flashed to IT mode firmware P16 with MPT and UEFI BIOS for direct drive access in ZFS, TrueNAS or unRAID environments.

Thermals airflow and power

The supplier notes this is a high-performance card that runs hot and requires strong airflow over its heatsink to avoid failure or reliability loss. No power-draw figure or fan specification is supplied so builders must ensure their chassis delivers adequate cooling without guidance on exact wattage or thermal limits.

IT mode firmware and cabling

Flashing to IT mode removes RAID abstraction and presents disks directly to the operating system, which is required for ZFS and similar filesystems. Four SFF-8643 ports accept compatible breakout cables for SAS or SATA drives; cables are not included and no management software bundle is mentioned.

Highlights

  • 16-port 12 Gb/s SAS connectivity for high-density storage
  • PCIe 3.0 x8 interface delivers ample host bandwidth
  • Dual SAS3008 controllers provide 16 independent SAS lanes
  • Pre-flashed IT mode firmware suits ZFS and unRAID deployments
  • Four SFF-8643 connectors enable flexible drive cabling

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the LSI 9300-16i into a PCI-E 3.0 x8 slot and connect drives to the four SFF-8643 ports?

Insert the card into a PCI-E 3.0 x8 slot, secure the bracket, then attach Mini SAS HD cables from each SFF-8643 connector to your SAS or SATA backplane; the step most often missed is ensuring strong airflow over the heatsink because the dual SAS3008 controllers run hot.

What maintenance will the LSI 9300-16i need after deployment in a ZFS or unRAID server?

The main ongoing task is keeping the heatsink dust-free so the SAS3008 chips stay cool; no battery or capacitor module is present, and the P16 IT mode firmware is already flashed, so further updates are only needed if a specific issue arises.

What is the first limit I will hit when running all 16 ports at 12Gb/s SAS-3 continuously?

The PCI-E 3.0 x8 host link caps aggregate throughput at roughly 64 Gb/s, so sustained full-speed traffic on all sixteen 12 Gb/s lanes will saturate the bus before the SAS3008 controllers do.

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