Expansion enclosures
The ThinkSystem DS4200 supports attachment of up to nine ThinkSystem DS Series expansion
enclosures. Intermix of LFF and SFF enclosures is supported. The enclosures can be added to the system
non-disruptively.
The following table lists the relationship models of the ThinkSystem DS Series expansion enclosures.
Table 5. ThinkSystem DS Series Expansion Unit relationship models
Description
Part
number
SFF models
Lenovo ThinkSystem DS Series Dual IOM SFF Expansion Unit (US English documentation)
4588A21*
Lenovo ThinkSystem DS Series Dual IOM SFF Expansion Unit (Simplified Chinese documentation)
4588A2C^
Lenovo ThinkSystem DS Series Dual IOM SFF Expansion Unit (Japanese documentation)
4588A2J**
LFF models
Lenovo ThinkSystem DS Series Dual IOM LFF Expansion Unit (US English documentation)
4588A11*
Lenovo ThinkSystem DS Series Dual IOM LFF Expansion Unit (Simplified Chinese documentation)
4588A1C^
Lenovo ThinkSystem DS Series Dual IOM LFF Expansion Unit (Japanese documentation)
4588A1J**
* Available worldwide (except China and Japan).
^ Available only in China.
** Available only in Japan.
The following table lists the CTO base models for the DS Series Expansion Units.
Table 6. ThinkSystem DS Series Expansion Unit CTO base models
Description
Machine
Type-Model
Feature
code
Lenovo ThinkSystem DS Series SFF Expansion Unit (2x PCMs, no IOMs)
4588-HC2
AU26
Lenovo ThinkSystem DS Series LFF Expansion Unit (2x PCMs, no IOMs)
4588-HC1
AU25
Configuration notes:
For Relationship models, two SAS I/O expansion modules are included in the model configuration.
For CTO models, two SAS I/O expansion modules (feature code AU2K) must be selected during the
configuration process.
The models of the ThinkSystem DS Series Expansion Units include the following items:
One LFF or SFF chassis with the following components:
Dual SAS I/O expansion modules
Two 580 W AC power and cooling modules
Lenovo Storage 12Gb SAN Rack Mount Kit - Rails 25"-36"
Lenovo USB A Male-to-Mini-B 1.5m cable
Getting Started Guide
Electronic Publications Flyer
Two power cables:
1.5m, 10A/100-250V, C13 to IEC 320-C14 rack power cables (Relationship models)
Customer-configured power cables (CTO models)
Lenovo ThinkSystem DS4200 Storage Array
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