Chapter 1: Overview
The ThinkSystem 36i 12Gb Internal expander card, referred to as the expander card, is based on the 12Gb/s SAS,
SAS35x48 expander in a custom card form factor. The expander card provides the following features:
High performance for high port count drives in servers with optional external connectivity expansion.
Thirty-six lanes of 12Gb/s SAS for internal drive connectivity.
Eight internal host lanes for connectivity to a companion 12Gb/s SAS adapter.
Supports SATA link rates of 3Gb/s and 6Gb/s.
Supports SAS link rates of 3Gb/s, 6Gb/s, and 12Gb/s.
Provides DataBolt™ Bandwidth Optimizer technology to match the bandwidth between fast hosts and slower SAS or
Provides one heartbeat LED.
The following table summarizes key expander card features.
Table 1 Card Features
Storage Interface Connectors
Operating System Support
The expander card supports the operating systems in the following list.
Red Hat Enterprise Linux
Oracle Enterprise Linux
Visit http://support.lenovo.com, and download the latest firmware and driver for the adapter.
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Four SFF-8654 x8
Two SFF-8654 x4
SAS and SATA
ThinkSystem 36i 12Gb Internal Expander Adapter Installation and User Guide