LSI MegaRAID SAS User Manual

LSI Corporation
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6Gb/s MegaRAID SAS RAID Controllers User Guide
August 2012
Chapter 3: MegaRAID SAS RAID Controller Characteristics
Technical Specifications
3.3.2 Array Performance Features
The following table shows the array performance features for the 6Gb/s MegaRAID SAS RAID controllers.
Card size (continued)  MegaRAID SAS 9286-8e RAID controller: Low-profile PCI Express adapter
card size (68.90 mm x 167.65 mm)
 MegaRAID SAS 9286CV-8e RAID controller: Low-profile PCI Express adapter
card size (68.90 mm x 167.65 mm)
 MegaRAID SAS 9286CV-8eCC RAID controller: Low-profile PCI Express adapter
card size (68.90 mm x 167.65 mm)
Array interface to the host  PCI Express Rev. 2.0
 PCI Express Rev. 3.0
PCI Express bus data transfer rate  Up to 5 Gb/s per lane
 x8 lane width
Serial port 4-pin RS232-compatible connector (for manufacturing use only)
SAS controller  LSISAS2008 PCI Express-SAS/SATA I/O Processor chip
 LSISAS2108 Single SAS controller
 LSISAS2208 SAS Interface controller
SAS bus speed 6Gb/s
SAS ports SAS connectors with four SAS ports each
Cache configuration The RAID controllers support the following battery-backed cache configuration:
 MegaRAID SAS 9260, SAS 9261, and SAS 9280:
— 512 MB – 72b arrangement (5) 1Gbx16, Double Data Rate II (DDR2) @
800 MHz battery-backed module
 MegaRAID SAS 9265, SAS 9266, and SAS 9285:
— 1 GB – 72b arrangement (5) 2Gbx16, Double Data Rate III (DDR3) @
1333 MHz with iBBU support
 MegaRAID SAS 9265CV, SAS 9266, and SAS 9285CV:
— 1 GB – 72b arrangement (5) 2Gbx16, Double Data Rate III (DDR3) @
1333 MHz custom module with CacheVault support
NOTE The MegaRAID SAS 9240-4i RAID controller and the MegaRAID SAS 9240-8i
RAID controller are software RAID controllers and do not support cache.
Size of flash ROM for firmware 16 MB
NVRAM 32 KB for storing RAID configurations
Table 22 Array Performance Features
Specification
MegaRAID SAS 9240, SAS 9260, SAS 9261, SAS 9265, SAS 9266, SAS 9270,
SAS 9271, SAS 9280, SAS 9285, and SAS 9286 RAID Controllers
PCI Express host data transfer rate 5Gb/s per lane
Drive data transfer rate 6Gb/s per lane
Maximum scatter/gather I/O 80 elements
Maximum size of I/O requests 6.4 MB in 64-KB strips
Table 21 RAID Controller Specifications (Continued)
Specification
MegaRAID SAS 9240, SAS 9260, SAS 9261, SAS 9265, SAS 9266, SAS 9270,
SAS 9271, SAS 9280, SAS 9285, and SAS 9286 RAID Controllers

LSI MegaRAID SAS Specifications

General

RAID Levels	0, 1, 5
Ports	8
Form Factor	Low Profile
Operating Systems Supported	Windows, Linux, VMware
SAS Ports	8
BBU Support	Optional
Operating Temperature	0°C to 55°C