Hardware User Guide

Intel® Integrated RAID Module RMT3PB080 and RMT3CB080 Hardware User’s Guide 31
Array Performance Features
Table 8. Array Performance Features
SAS/SATA ports 2x4 internal port
Physical and virtual drive support 128 physical drives, 64 virtual drives, and 32 RAID arrays
per controller
Cache 512 MB DDR3 1333 MHz SDRAM, optional battery backup
Firmware 16 MB in reflashable flash ROM
Compatible devices • 2.5-inch and 3.5-inch 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 RMT3PB080 and
RMT3CB080
Specification
Intel
®
Integrated RAID Module RMT3PB080 and
RMT3CB080
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
Flexibility • Drive migration
• RAID level migration
• Drive Roaming
• Online Capacity Expansion - without reboot