RC-220

Two external eSATA connector
Includes Low Profile and Regular size PCI Brackets
48 bits LBA can Break Capacity-Limit to Support HDD larger than 137GB
Dual high speed Serial ATA interface ports, each supporting 1st generation Serial ATA data rates 1.5Gb/s
Fully compliant with Serial ATA 1.0a specifications
Two Pin header on board for LED connection
Jumper enable / disable on board SATA BIOS
Supports Spread Spectrum in receiver
Independent 256-byte FIFOs (32 bit * 64 deep) per Serial ATA channel for host reads and writes
Compliant with PCI Specification, revision 2.2
Integrated PCI DMA engines
32 bit, 33/66MHz fully compliant PCI host interface
Completely with drivers for Windows 98, Windows Millennium, Windows NT 4.0, Windows 2000, Windows 2003 and XP, Server 2003 and 2008
Supports 64bit / 32bit Windows Vista
Fully RoHS compliant
Chipset : SiI3512
* HDD Controllers are capable to support all HDD sizes, but different OS may limited the HDD sizes that can be supported. For example, XP 32-bit supports only up to 2TB.

* This Model supports Optical Drive (SATA CD/DVD-ROM including Blu-ray drives.)