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Intel® RAID Controller RS2MB044

6 Gb/s SAS adapters with four internal and external ports

Intel® RAID Controller RS2MB044

Key features

  • Embedded 512-MB 800 MHz (ECC DDR2 memory) to efficiently store data in transition
  • Speaker to deliver audible alerts
  • One SFF8087 SAS/SATA connector for up to four internal ports
  • One SFF8088 SAS/SATA connector for up to four external ports
  • x8 PCI Express* Gen 2 interface for fast communication with the server board
  • LSI SAS2108* RAID-on-Chip (ROC) controller providing SAS 2.0 compliance, including 6 Gb/s data transfer
  • One internal cable with an SFF8087 connector that expands to four individual connectors
  • Optional Intel® Smart Battery AXXRSBBU7 for up to 72 hours of cache data retention

Feature-rich RAID with room to grow

The Intel® RAID Controller RS2MB044, part of Intel's portfolio of 6 Gb/s SAS adapters, offers unprecedented performance with exceptional data protection and design flexibility. With four internal and four external ports, the Intel RAID Controller RS2MB044 supports both internal drive storage and external JBOD expansion. Using the external SAS ports, multiple JBODs can be connected to a server, providing a scalable and affordable solution for growing storage requirements.

Target applications


Key advantages

Exceptional data protection

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).

Inside-the-box design flexibility

Four internal and four external 6 Gb/s SAS ports allow connection to 6 Gb/s or 3 Gb/s drives both inside and outside a system. With a true MD2 form factor, this adapter is ideal for low-profile height and half-length adapter slots.

Excellent performance

LSI SAS2108* ROC technology, x8 PCI Express* Gen 2 host interface, and 800-MHz cache enhance the performance of mainstream applications.

Outstanding availability

Delivers proactive drive monitoring and automatic error correction.
An optional battery backup maintains data without the need for an uninterruptible power supply.

Intuitive, feature-rich management utility

Designed to work with Intel® RAID Web Console 2 and a suite of management utilities. Administrators are afforded the ability to adjust SAS topology views from the system host, controller, and disk enclosure down to the logical and physical drive level. Extending to enterprise deployments, these tools scale to easily configure, monitor, and manage RAID volumes locally or over the LAN network.

Intel® RAID Controller RS2MB044 information and resources

Product Specification and Compatible Product Lists

Product Order Code



Board form factor

Low-profile MD2

Data transfer rate


Supported devices


Supported operating systems Windows*, Linux*, Solaris*, VMware*

Compatible battery backup options


RAID level supported

0, 1, 5, 6, 10, 50, 60

# of ports internal


# of ports external


# of devices supported


Embedded memory


PCIe* host interface

PCI Express* 2.0 x8

I/O processor model


Connector orientation 1 top, 1 external 8088
Extended warranty available for purchase (select countries) No
Additional features Support for premium feature options
Included items RAID controller, quick start user guide, one standard and one low-profile bracket. No SAS cables are included.
Compatible Products Click for detailed lists of Intel® products