The EX-3503 is a powerful SATA 2 RAID 0/1 controller that supports PCIe. It supports RAID 0 (stripping / speed) and RAID 1 (mirroring). The current data rate is 1.5Gb/s and 3.0Gb/s. The EX-3503 supports two internal and two external eSATA-2 ports. It is the right solution to connect SATA 3 devices to a PCIe slot

Fully PCI-Express Specifications 1.0a Compliant
Supports Legacy Command Queuing (LCQ), Supports Native Command Queuing (NCQ)
Co-resides with Motherboard IDE devices
ROM BIOS support RAID Setup and Boot Feature
Support hard drives greater then 137GB
Bootable
Chipset: SiL3132