Hardware User's Guide

Intel® RAID Controller RS25NB008 Hardware User’s Guide 21
Technical Specifications
Table 7. Technical Specifications
Array Performance Features
Table 8. Array Performance Features
Specification Intel
®
RAID Controller RS25NB008
RAID-on-Chip (ROC ) LSISAS2208 Integrated ROC, 800 MHz
Operating voltage +3.3 V, +12 V
Card size 2.713 inch x 6.600 inch (Low-profile)
Array interface to host PCI Express* Revision 3.0, x8 lane with
8GT/s
SAS/SATA bus speed Up to 6 Gbps per port, point-to-point
SAS/SATA ports 2x4 external port
Physical and virtual drive support 240 physical drives, 64 virtual drives, and
128 RAID arrays per controller
Cache 1 GB DDR3 1333 MHz SDRAM, optional
battery backup
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 In-band SES
Enclosure support Assumes one SEP per enclosure
Specification Intel
®
RAID Controller RS25NB008
Host data transfer rate Up to 8.0 GT/s per PCI Express* lane
Drive data transfer rate Up to 6.0 Gigabit/sec per PHY
Maximum scatter/gather 80 elements