Four internal + four external 6 Gb/s SATA+SAS ports One mini-SAS SFF-8087 x 4 internal connector One mini-SAS SFF-8088 external connector 6 Gb/s throughput per port LSISAS2108 ROC Low-profile MD2 form factor (6.6” X 2.536”) x 8 PCI Express 2.0 host interface 512MB DDRII cache (800 M Hz) Optional battery backup unit (direct or remote attach) Connect up to 240 SATA and/or SAS devices RAID levels 0, 1, 5 & 6 RAID spans 10, 50 & 60 Auto-resume on rebuild Auto-resume on reconstruction Online Capacity Expansion (OCE) Online RAID Level Migration (RLM) SSD support with SSD Guard™ Global & dedicated hot spare with revertible hot spare support o Automatic rebuild o Enclosure affinity o Emergency SATA hot spare for SAS arrays Single controller multipathing I/O load balancing Comprehensive RAID management suite Benefits: Superior performance PCI Express 2.0 provides faster signaling for high-bandwidth applications Support for 3 Gb/s & 6 Gb/s SATA & SAS hard drives & SSDs for maximum inside-the-box flexibility Scalable & affordable solution using external connector for connection to JBODs Support for LSI Advanced Software Options including Mega RAID Fast Path, Cache Cade™, Safe Store™, & Recovery software Performance & capacity to handle large digital content projects & the demanding & expanding data needs of social media sites, or to protect mission critical business data in small-to-medium sized enterprises