Lenovo ServeRAID M1115 Product Manual page 4

Sas/sata controller
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Technical specifications
The ServeRAID M1115 SAS/SATA Controller has the following specifications:
PCI Low Profile, Half-length - MD2 form factor
Eight internal 6 Gbps SAS/SATA ports
Two internal Mini-SAS connectors (SFF-8087)
Up to 6 Gbps throughput per port
533 MHz IBM PowerPC® processor with LSI SAS2008 6 Gbps RAID on Chip (ROC) controller
PCI Express 2.0 x8 host interface
Support for RAID levels 0, 1, and 10 standard; support for RAID 5, 50 with optional upgrade
Zero Controller Cache, no battery/flash backup
Support for SAS and SATA hard disk drives (HDDs) and solid-state drives (SSDs)
Support for simple swap and hot swap drives
Support for intermixing SAS and SATA HDDs and SSDs. Mixing different types of drives in the same
array (drive group) not recommended
Connection to up to 32 internal drives, depending on the server model (Up to 16 physical drives,
including hot spares, can be used in RAID configurations. The drives beyond the limit of 16 are used
as stand-alone HDDs in a non-RAID environment.)
Optional support for self-encrypting drives (SEDs) with MegaRAID SafeStore
Support for up to 16 virtual drives, up to 16 drive groups, up to 16 virtual drives per one drive group,
and up to 16 physical drives per one drive group
Support for virtual drive sizes up to 64 TB
Configurable stripe size up to 64 KB
Compliant with Disk Data Format (DDF) configuration on disk (COD)
S.M.A.R.T. support
MegaRAID Storage Manager management software
Feature upgrade matrix
The ServeRAID M1115 SAS/SATA Controller provides support for RAID 0, 1, and 10 as standard, ready to
use or "out-of-the-box" capabilities. An optional feature upgrade is available to expand standard
capabilities with RAID 5, 50 and self-encrypting drives. This Feature-on-Demand (FoD) upgrade is a
software license. The following table lists the available upgrade and its capabilities.
Table 2. ServeRAID M1115 optional upgrade and its features
Option description
ServeRAID M1100 Series Zero Cache/RAID 5 Upgrade
ServeRAID M1115 SAS/SATA Controller (withdrawn product)
Feature RAID 5, 50
Part Number
Type
81Y4542
FoD
SED
Yes
Yes
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