The following figure shows the rear of the E1012 and E1024 drive enclosures with dual I/O expansion
modules. Single I/O module configurations are also supported.
Figure 4. Rear view of the E1012 and E1024 drive enclosures
Note: The expansion modules (shown in Figure 4) have additional service ports with a specialized
connector, and these ports are reserved for use by a Lenovo service technician.
System specifications
The following table lists the E1012 and E1024 system specifications.
Table 1. System specifications
Components
Specification
Form factor
2U rack mount
I/O expansion
configuration
Single or dual I/O Expansion Module configurations supported. Single I/O Module enclosures
can be upgraded to dual I/O Module enclosures non-disruptively.
Drive bays
E1012: 12 LFF hot-swap drive bays; up to 8x E1012 enclosures can be daisy chained
on a supported RAID adapter for a total of up to 96 LFF drives.
E1024: 24 SFF hot-swap drive bays; up to 8x E1024 enclosures can be daisy chained
on a supported RAID adapter for a total of up to 192 SFF drives.
Intermix of SFF and LFF enclosures is supported.
Drive
technologies
SAS and NL SAS HDDs and SEDs; eMLC SAS SSDs. Intermix of HDDs, SEDs, and SSDs is
supported within an enclosure, but not within a RAID array.
Drive connectivity Dual-ported 6 Gb SAS drive attachment infrastructure:
E1012: 12x 6 Gb SAS internal drive ports per I/O Expansion Module
E1024: 24x 6 Gb SAS internal drive ports per I/O Expansion Module
2x 6 Gb SAS x4 (Mini-SAS SFF-8088) expansion ports (IN and OUT) per I/O
Expansion Module for the daisy chained attachment of the drive enclosures
Lenovo Storage E1012 and E1024 Disk Expansion Enclosures
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