LSI SAS3442E-R - storage controller (RAID) - SATA 3Gb/s / SA

Specifications
Features
3Gb/s per port
x4 internal SFF-8484 / x4 external SFF-8470 connectors
Integrated RAID 0, 1 and 1E
8-lane 2.5 Gb/s PCI Express
MD-2 small form-factor design
Connects to both SAS and SATA HDDs and tape drives
Allows more than 122 total end-point devices
Fusion-MPT architecture provides more than 140,000 I/Os per second
Benefits

Integrated RAID avoids additional host CPU overhead
SAS/SATA interconnect proven through robust LSI serial technology
Speed: 3Gb/s per port combines to 2.4 GB/s full duplex speed