# LSI SAS2308控制芯片

[SAS2308 I/O控制器](https://www.broadcom.com/products/storage/sas-sata-controllers/sas-2308#overview)是一个入门级扩展存储控制芯片

* 支持SAS和SATA，支持RAID 0/1/10，PCIe 3.0规范
* 8个PCIe通道(即提供8个端口控制设备)每个通道8.0GT/s，并兼容5.0/2.5GT/s数据传输（PCI3 2.x, 1.x），最高6Gb/s带宽（6Gb/s per lane）
* 集成`SR-IOV`支持，最高支持16个虚拟设备
* 具有高级错误报告（Advanced Error Reporting,AER）的端到端CRC(End-to-End CRC, ECRC)
* 无需扩展内存支持10,000 IO并每一达到每秒60万IOs

![LSI SAS2308块存储](/files/-M1TABxO5DgJMl_dvSKY)

典型外接存储拓扑：

![LSI SAS2308外接存储拓扑](/files/-M1TABxWzX4FpTSbSHGK)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://huataihuang.gitbook.io/cloud-atlas-draft/storage/das/mpt2sas/lsisas2308.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.