Hardware User's Guide

Intel® RAID Controller RS2VB080/RS2VB040 Hardware User’s Guide 15
Table 2. Technical Specifications
Array Performance Features
Table 3. Array Performance Features
Specification Intel
®
RAID Controller RS2VB080/RS2VB040
RAID-on-Chip (ROC) LSISAS2108 Integrated ROC, 800 MHz
Operating voltage +3.3 V, +12 V
Card size Low profile, extended half-length (6.6-inch, MD2)
Array interface to host PCI Express* Revision 2.0, x8 lane width 5.0 Gb/s
SAS/SATA bus speed Up to 6 Gb/s per port, point-to-point
SAS/SATA ports 2x4 internal ports for RS2VB080, 1x4 internal port for
RS2VB040, 32 devices per port with expanders
Physical and virtual drive
support
32 physical drives, 64 virtual drives, and 32 RAID arrays per
controller
Cache 512 MB DDR2 800 MHz SDRAM on the memory board
connected to the RAID controller baseboard, optional
SuperCap module as the battery backup unit to protect RAID
cached data
Firmware 8 MB in reflashable flash ROM
Compatible devices • 2.5-inch and 3.5-inch SAS or SATA II drives
• 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 32 KB NVRAM and config-on-disk (COD)
Enclosure management • SGPIO
• In-band and out-of-band SES
Enclosure support Assumes one SEP per enclosure
Specification Intel
®
RAID Controller RS2VB080/RS2VB040
Host data transfer rate Up to 5.0 Gb/s per PCI Express* lane
Drive data transfer rate Up to 6.0 Gb/s per phy
Maximum scatter/gather 80 elements
Maximum size of I/O requests 6.4 Mbytes in 64 Kbyte stripes