Whether adding new solid state drives (SSDs) or upgrading existing hard disk drive storage arrays, the MegaRAID® SAS 9266-4i 6Gb/s SAS and SATA RAID controller card has the versatility to meet a broad range of small-to medium-sized internal storage needs. Optional advanced software can reduce total cost of ownership (TCO) for optimal data protection and accelerated performance.

  • Connect up to 128 SATA or SAS drives with four internal 6Gb/s SAS ports
  • Fit into rack-mounted servers with low-profile form factor and side-mount connectors
  • Bandwidth to support critical applications with PCIe® 2.0 connectivity
  • Balance protection and performance for critical applications with RAID levels 0, 1, 5, 6, 10, 50, and 60
  • Add more protection and peace of mind with optional heat-tolerant battery backup
Product Ordering Part # What's in the box
MegaRAID SAS 9266-4i LSI00306 MR SAS 9266‐4i, QIG, Documentation CD, LP bracket, (1) 1‐meter Mini‐SAS SFF‐8087 to SATA fanout cable
RAID-on-Chip Controller LSISAS2208 Dual-Core RAID on Chip (ROC)
Cache Protection optional MegaRAID CacheVault flash cache protection module (LSICVM01)
optional MegaRAID LSIiBBU09 intelligent battery backup module (LSIiBBU09)
RAID Management Software MegaRAID Management Suite™
MegaRAID Storage Manager™
MegaCLI (command-line interface)
WebBIOS
Physical Dimensions MD2 Low profile (6.6" x 2.536")
Host Bus Type x8 lane PCI Express® 2.0
Cache Memory 1GB 1333MHz DDRIII SDRAM
Internal Ports 4
Data Transfer Rates Up to 6Gb/s per port
Devices Supported Up to 128 SAS and/or SATA devices
Internal Connectors 1 Mini-SAS SFF8087 (side mount)
MTBF 1,031,514 hours
Operating Temperature Maximum ambient: Controller Card: 60°C (55°C with optional CVM01, 45°C with optional LSIiBBU09)
Operating Voltage +3.3V, +12V
Operating Systems Extensive support includes Microsoft® Windows® Vista/2008/Server 2003/2000/XP, Linux®, Solaris™ (x86), Netware®, FreeBSD®, VMware® and more.
Regulatory Certifications EN55022, EN55024, EN60950, EN 61000-3-2, EN 61000-3-3; FCC Class A, Class B; UL1950; UL; CSA C22.2; VCCI; RRL for MIC; BSMI; C-tick
Warranty 3 years, free advanced technical support, advanced replacement option
About The Device (1)
At-a-Glance (1)
Case Study (1)
Compatibility Document (1)
Compliance Docs and Certifications (15)
FAQ Document (1)
Miscellaneous (1)
Product Brief (1)
Product Guide (2)
Quick Installation Guide (5)
Solution Brief (2)
System Engineering Notes (1)
Technical Brief (1)
User Guide (2)

If you are looking for older or archived product downloads, please use the documents and downloads search tool.

Driver (7)
Firmware (1)
Management Software and Tools (15)

LSI offers various internal cable options to make integration into your current system infrastructure as easy as possible. LSI also offers cache protection options for RAID controllers that protect against data loss in the event of a server or power failure by providing emergency power to the cache memory.

0.6m cable. Links controller SFF-8087 multi-lane connector to backplane SFF-8087 multi-lane connector.
Buy Now
0.5m cable. Links controller SFF-8087 multi-lane connector to backplane SFF-8470 multi-lane connector.
Buy Now
0.6m cable. Links controller SFF-8087 multi-lane connector to backplane SFF-8470 multi-lane connector.
Buy Now
0.6m 1-to-4 fanout cable. Links controller M8 multi-lane connector to backplane or hard drive SATA connector(s).
Buy Now
Battery backup unit for MegaRAID 9265/9285/9266/9286/9270/9271 controller cards. Protects cache data during server power failure.
Buy Now
Uses snapshots to enable rapid file and volume-level data recovery. Compatible with MegaRAID 9265, 9266, 9270, 9271, 9285 and 9286 series controller cards.
Buy Now
Provides up to 3x I/O acceleration for SSDs connected to a MegaRAID 9265, 9266, 9285, 9270, 9271 and 9286 series controller card.
Buy Now
Turns SSDs in front of HDD arrays into high-performance cache pools. Compatible with MegaRAID SAS 9265/9266/9285/9270/9271/9286 series controller cards.
Buy Now
A remote mounting board for battery backup units or a CacheVault Power Module (LSICVM01) in an adjacent server PCI slot. Requires Remote Mount Kit (LSI00260) when used with BBU06, BBU07, or BBU08 (9260-4i/8i only) modules.
Buy Now
CacheVault accessory kit for 9266-4i, 9266-8i, 9271-4i, 9271-8i. Includes CacheVault Flash Module (CVFM02), CacheVault Power Module (CVPM02) with 3" cable, 24" remote cable extender, CVMP clip.
Buy Now
0.5m cable. Links controller SFF-8087 multi-lane connector to backplane SFF-8087 multi-lane connector.
Buy Now
0.5m 1-to-4 fanout cable. Links controller SFF-8087 multi-lane connector to backplane or hard drive SATA connector(s).
Buy Now
1.0m 1-to-4 fanout cable. Links controller SFF-8087 multi-lane connector to backplane or hard drive SATA connector(s).
Buy Now