User guide

LSI Corporation
- 28 -
12Gb/s MegaRAID SAS RAID Controllers User Guide
October 2013
Chapter 3: MegaRAID SAS RAID Controller Characteristics
Technical Specifications
3.3.1 RAID Controller Specifications
The following table lists the specifications for the 12Gb/s MegaRAID SATA+SAS RAID controller.
3.3.2 Array Performance Features
The following table shows the array performance features for the 12Gb/s MegaRAID SATA+SAS RAID controllers.
Table 6 RAID Controller Specifications
Specification
MegaRAID SAS 9341-4i RAID Controller, MegaRAID SAS 9341-8i RAID Controller,
MegaRAID SAS 9361-4i RAID Controller, MegaRAID SAS 9361-8i RAID Controller
Processor
(PCIe host controller to PCI secondary
I/O controller)
MegaRAID SAS 9341 RAID controllers: LSISAS3008 PCIe RoC device
MegaRAID SAS 9361 RAID controllers: LSISAS3108 PCIe RoC device
Part number 25420
Operating voltage +3.3 V, +12 V
Card size MegaRAID SAS 9341 RAID controller: Low-profile PCI Express adapter card size (68.90 mm
× 152.35 mm)
MegaRAID SAS 9361 RAID controller: Low-profile PCI Express adapter card size (68.90 mm
× 167.65 mm)
Array interface to the host PCIe Rev. 3.0
PCI Express bus data transfer rate  Up to 8GB/s per lane
 x8 lane width
Serial port 4-pin RS232-compatible connector (for manufacturing use only)
SAS controller MegaRAID SAS 9341 RAID controller: LSISAS3008 Single SAS controller
MegaRAID SAS 9361 RAID controller: LSISAS3108 Single SAS controller
SAS bus speed 12GB/s
SAS ports SAS connectors with four SAS ports each
Cache configuration The MegaRAID SAS 9361 controllers support the following cache configuration:
 1 GB – 72b arrangement (5) 128Mbx16, Double Data Rate III (DDR3) at 1866 MHz with
ONFI Cache Offload Support
 2 GB – 72b arrangement (5) 256Mbx16, Double Data Rate III (DDR3) at 1866 MHz with
ONFI Cache Offload Support
Size of flash ROM for firmware 16 MB
NVSRAM 32 KB for storing RAID configurations
Table 7 Array Performance Features
Specification
MegaRAID SAS 9341-4i RAID Controller, MegaRAID SAS 9341-8i RAID Controller,
MegaRAID SAS 9361-4i RAID Controller, MegaRAID SAS 9361-8i RAID Controller
PCI Express host data transfer rate 8GB/s per lane
Drive data transfer rate 12GB/s per lane
Maximum scatter/gather I/O 80 elements
Maximum size of I/O requests 6.4 MB in 64-KB strips