Hardware User's Guide

28 Intel® Integrated RAID Module RMS25PB080N and RMS25CB080N Hardware User’s Guide
Array Performance Features
Table 7. Array Performance Features
Physical and virtual drive support 128 physical drives, 64 virtual drives, and 32
RAID arrays per controller
Cache 1 GB DDR3 1333 MHz SDRAM
Firmware 16 MB in reflashable flash ROM
Compatible devices • 2.5-inch and 3.5-inch SAS 2.0 or
SATA III
• Non disk devices including expanders
• Can support drives of mixed capacity
Cabling • Small, thin cables that do not restrict
airflow
• Shared connectors for multiple drives
Redundant configuration 128 KB NVRAM and config-on-disk (COD)
Enclosure management SGPIO
Enclosure support Assumes one SEP per enclosure
Specification
Intel
®
Integrated RAID Module
RMS25PB080N and RMS25CB080N
Specification
Intel
®
Integrated RAID Module RMS25PB080N and
RMS25CB080N
Host data transfer rate Up to 8.0 Gigatransfer/sec per PCI Express* lane
Drive data transfer rate Up to 6.0 Gigabit/sec per PHY
Maximum scatter/gather 80 elements
Maximum size of I/O requests 6.4 Mbytes in 64 Kbyte stripes
Maximum queue tags per
drive
As many as the drive can accept
Stripe sizes 8, 16, 32, 64, 128, 256, 512, or 1024 KB
Maximum concurrent
commands
255
Support for multiple initiators Ye s
Performance Native command queuing