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

LSI

LSI SAS9305-16i 16 Port HBA 12Gb/s SAS SATA PCIe 3.0 x8

SKU CH-R9R9-CK0FS

Connects sixteen internal 12 Gb/s SATA or SAS drives through four SFF-8643 ports on a PCIe 3.0 x8 host bus adapter

  • 16 internal ports at 12Gb/s SAS and SATA speeds
  • PCIe 3.0 x8 host interface for high throughput
  • Supports up to 1024 SATA or SAS devices
  • Four SFF-8643 connectors included with cables
  • Includes both high and low-profile brackets

16-port 12Gb/s HBA for storage expansion

The LSI SAS9305-16i adds sixteen internal 12Gb/s SAS and SATA ports through a single PCIe 3.0 x8 slot. It supports link rates of 3Gb/s, 6Gb/s and 12Gb/s and can address up to 1024 terminal devices. The card ships with both high and low-profile brackets plus four SFF-8643 to SATA cables. This host bus adapter suits servers and workstations that need large drive counts without a hardware RAID layer.

Fits a PCIe 3.0 x8 slot and four SFF-8643 cables

Installation requires one x8 PCIe 3.0 lane and four internal SFF-8643 connectors, each breaking out to four SATA drives via the included cables. The low-profile bracket lets the card enter 1U or 2U chassis where a full-height bracket would not fit. Because the firmware runs in IT mode, the operating system sees every drive directly, freeing the CPU from RAID overhead and simplifying software-defined storage stacks such as ZFS or Storage Spaces.

Sustains 12Gb/s links across all sixteen ports

Under continuous workloads the controller maintains 12Gb/s, 6Gb/s and 3Gb/s link speeds without downshifting, so long arrays of SSDs or HDDs keep their rated throughput. The x8 PCIe 3.0 host interface provides enough upstream bandwidth to keep all ports fed during heavy sequential or random I/O. Buyers who need hardware RAID offload or external port connectivity should look elsewhere, as this card is an IT-mode HBA only.

Highlights

  • 16 internal ports at 12Gb/s SAS and SATA speeds
  • PCIe 3.0 x8 host interface for high throughput
  • Supports up to 1024 SATA or SAS devices
  • Four SFF-8643 connectors included with cables
  • Includes both high and low-profile brackets

Specifications

No published specifications for this item yet.

Questions about this item

How many drives can the 16-port 12Gb/s HBA address at once?

The card supports up to 1024 SATA or SAS terminal devices across its 16 internal ports.

How much heat and power does the x8 PCIe 3.0 card produce under continuous load?

The board draws power from the PCIe 3.0 x8 slot and runs passively cooled; sustained throughput is limited by the 12Gb/s SAS link rate.

Which cables and brackets come in the box so the adapter works immediately?

The package includes the 9305-16i HBA, one high bracket, one low bracket and four SFF-8643 to SATA cables.

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