Syba SD-PEX50049 1 Port ATA133 IDE and 2 Port eSATA III PCI-e 2.0 x1 RAID Card Based on Marvel 88SE9128 PCI-Express 2.0 SATA 6Gbps Hardware RAID Controller 1-Lane PCI-Express 2.0 Interface Supports Communication Speed of 2.5Gbps and 5.0Gbps Compliant with PCI-Express 2.0 Base Specification Unique Hard Drive Activity LED Indicator Circuit Design: The LED Blinds When There is Read/Write Activity on one of the Hard Drive Connected to the Motherboard SATA Port or to this Add-on Card Serial-ATA Interface: Two External SATA 6.0Gbps Ports Compliant with SATA Specification 3.0 Supports Speed of 6.0Gbps, 3.0Gbps, and 1.5Gbps Compatible with SATAIII, SATAII, SATAI Hard Drives and SSD's Based on Marvel 88SE9128 PCI-Express 2.0 SATA 6Gbps RAID Controller Compliant with PCI-Express 2.0 Base Specification One PATA Port (Connects up to 2 ATA/ATAPI/IDE Devices (Master and Slave) Support RAID 0 and RAID 1 with eSATA port only.