An innovation in design and concept, user configurable SATA connectors. 2 SATA channels can be set as Internal, External or combination with few jumpers. ASM106x Chipset support Windows Server 2012.- Based on ASMedia ASM1061 PCI-Express 2.0 SATA 6Gbps 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 Blinks for Read/Write Activity on Any One of the Hard Drive Connected to the Motherboard or to This Add-on Card- Serial-ATA (SATA) Interface:- SATA 6.0Gbps Ports (Internally, Externally or Their Combination) Compliant with Serial-ATA Specification 3.0 Supports Communication Speed of 6.0Gbps, 3.0Gbps, and 1.5Gbps Compatible with SATA-III (6Gbps), SATA-II (3Gbps), SATA-I (1.5Gbps) Hard Drives and SSD's Supports Gen1m and Gen2m SATA PHY Supports Native Command Queue (NCQ) Supports SATA Port Multiplier Supports SATA Port Hot-plug Supports IDE/AHCI Mode Supports Up to 3TB Hard DrivesSupports Windows Server 2012 (Uses Server 2008 driver)