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Intel® RAID Controller RS2VB Family

Popular SAS-2 6-Gb/s RAID technology with maintenance-free backup included

Intel® RAID Controller RS2VB Family

Key features

  • LSI* SAS2108 RAID-on-chip (ROC) controller providing SAS 2.0 compliance including 6-Gb/s data transfer
  • Embedded 512-MB 800 MHz cache (ECC DDR2 memory)
  • x8 PCI Express* Generation 2 interface for fast communication with the server board
  • Maintenance-free backup unit with super-capacitor and flash memory
  • Two or one internal cables with SFF8087 connectors that expand to four individual 7-pin SATA style connectors included in package
  • Intel® RAID premium features
  • RS2VB080: two SFF8087 SAS/SATA connectors for up to eight internal ports
  • RS2VB040: one SFF8087 SAS/SATA connectors for up to four internal ports

RAID-on-chip and an easy-to-use graphical interface

The Intel® RAID Controller RS25VB family offers maintenance-free backup capability built on proven 6-GB/s SAS RAID technology. The backup unit features NAND flash to capture the RAID controller memory contents in the event of system hangs, crashes, kernel panics, or power failures. When one of these issues occurs, all outstanding I/Os will be transferred to flash memory for storage for completion once the system comes back online.

In addition to maintenance-free backup, the Intel® RAID Controllers RS2VB080 and RS2VB040 feature either eight or four internal ports (depending on model), an LSI SAS2108* 6-Gb/s ROC processor, a native PCI Express* 2.0 architecture, and an easy-to-use graphical interface. These features combine to provide significant performance and usability gains for both 3-Gb/s and 6-Gb/s drive-based solutions compared to Intel’s SAS 1 and first generation SAS 2 RAID products.

All Intel® RAID solutions are validated across multiple platforms with Intel® Server Boards, Intel® Server Chassis, and Intel® Server Systems. Customized training, as well as Intel service and support, make Intel the one source for customers seeking data protection, increased productivity, and simplified IT.

Target applications


Key advantages

Exceptional data protection and performance

Supports data redundancy using SAS or SATA hard disk drives through mirroring, parity, and double parity (RAID levels 1, 5, and 6) plus striping capability for spans (RAID levels 10, 50, and 60).  LSI SAS2108 ROC technology, x8 PCI Express Generation 2 host interface and 800 MHz cache enhances the performance of mainstream applications.

Improved serviceability

NAND flash can retain data for up to ten years and provide near instant optimal RAID performance versus traditional lithium-ion (LiON) battery backup units (BBUs) which are limited to just days of retention and can take up to eight hours to charge.  Furthermore, NAND technology allows for a standard three-year warranty.

Environmentally friendly

The maintenance-free backup unit (MFBU) improves traditional methods of cache protection by eliminating LiON batteries.  MFBU does not require additional hazardous shipping compliance documentation, does not require LiON disposal fees, personnel- or maintenance-planning expenses.

Support for premium feature upgrades

Includes a connector for an optional hardware-based key for the Intel® RAID SSD Cache with FastPath* I/O upgrade enabling the use of one or more SSDs as a large cache pool for the RAID controller, significantly improving the performance of many server applications.

Intel® RAID Controller RS2VB family information and resources

Product Specification and Compatible Products Lists

Product Order Code



Board form factor Low-profile MD2 Low-profile MD2
Data transfer rate 6-Gb/s 6-Gb/s
Supported devices SAS/SATA SAS/SATA
Supported operating systems Windows*, Linux*, Solaris*, VMware* Windows, Linux, Solaris, VMware
Compatible battery backup options MFBU included with controller MFBU included with controller
RAID level supported 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10, 50, 60
# of ports internal 8 4
# of ports external 0 0
# of devices supported 128 128
Embedded memory 512-MB 512-MB
PCIe* host interface PCI Express* 2.0 x8 PCI Express 2.0 x8
I/O processor model LSI 2208 LSI 2108
Connector orientation Top Top
Extended warranty available for purchase (select countries) No No
Additional features Support for premium feature options Support for premium feature options
Included items (1) RAID Controller, (1) MFBU offload cache module, (1) cache offload module cable, (1) quick start user guide, (1) standard bracket, (1) low-profile bracket, (2) MiniSAS cables are included. (1) RAID Controller, (1) MFBU offload cache module, (1) cache offload module cable, (1) quick start user guide, (1) standard bracket (1) low-profile bracket, and (1) MiniSAS cable is included.
Compatible Products Lists Click for detailed lists of Intel® products Click for detailed lists of Intel products

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