PCIe eSATA 2 RAID 0/1 Controller with 4+2 Ports

The EX-3505 is the most powerful SATA 2 controller to accommodate SATA 2 hard drives with the new technology of PCI Express. Serial ATA is a high-speed serial link replacement fort the parallel ATA attachment of mass storage devices. The current data rate is 1.5Gb/s and 3.0Gb/s. The EX-3505 supports four internal and two external eSATA 2 ports. It is the right choice for a PCI-Express to SATA 2 versatile devices. 

• Fully PCI-Express Specifications 1.0a Compliant
• Supports Legacy Command Queuing (LCQ), Supports Native Command Queuing
  (NCQ)
• Co-resides with mainboard IDE devices
• ROM BIOS support RAID Setup and Boot Feature
• Support hard drives greater then 137GB
• Bootable
• Chipset: Marvell 88SX7042