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Intel® RAID Controller RS25FB044

Intel® RAID Controller RS25FB044

Key Features

  • LSI SAS2308* IOC controller providing SAS 2.0 compliance including 6 Gb/s data transfer
  • One internal 8087 SAS/SATA connectors for up to four internal ports
  • One external 8080 SAS/SATA connectors for up to four external ports
  • x8 PCI Express* Generation 3 interface for fast communication with the server board
  • Heartbeat LED—blinks green indicating card activity ready

Low-cost SAS-2 with Mirroring, Striping, and JBOD for Highly Scalable Solutions

The Intel® RAID Controller RS25FB044 uses the embedded LSI 2308* ASIC CPU to perform RAID 0, 1, and 1E/10 operations and an ultra-thin driver provides low RAID overhead, for high-host CPU offload with excellent read/write performance.

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

Target Applications

The Intel® RAID Controller RS25FB044 is ideal for servers that include both direct attached storage (DAS) and external JBOD (Just a Bunch of Disks) storage.

Key Advantages

Internal and external connectivity

Four internal ports allow for a mirrored RAID array within a system. Four external ports allow for connecting to a JBOD (Just a Bunch of Disks) or a SAS switch.

High performance and scalability

PCI Express* Gen 3 architecture supports over 700K IOPs. Employ JBODs supporting up to 244 physical devices, or RAID 0, 1, 1E/10 with up to 10 devices.

Cost-effective data protection

Provides a low-cost RAID 0, 1, and 1E solution for entry-level server and workstation environments where high-performance and reliable data protection is required.

SAS or SATA storage

Connect SAS or SATA devices within the array. Use SAS drives for speed, reliability and scalability and use high-capacity SATA drives for budget-friendly storage.

Intel® RAID Controller RS25FB044 Information and Resources

Product Specifications

Product Order Code



Board form factor

Low profile, MD2 compliant

Data transfer rate

6 Gb/s

Supported devices

SAS/SATA devices

Supported operating systems

Microsoft Windows*, Linux* (SuSE , Red Hat), Solaris*, VMware, FreeBSD

Compatible Battery Backup Options


RAID level supported

0, 1, 1E, 10, JBOD

# of ports internal


# of ports external


# of devices supported


Embedded memory


PCIe* host interface

x8 PCIe Gen 3

I/O processor model


Tested Component Lists

Tested hardware


Tested operating system list