SIIG SC-SAE212-S2 PCI Express x1 SATA II (3.0Gb/s) Controller Card External Connectors: 1 x eSATA Internal Connectors: 1 x SATA II Transfer Rate: 3.0Gbps (300MBps) Operating Systems Supported: Windows 2000 / XP (32-/64-bit) / Server 2003 & 2008 (32-/64-bit) / Vista (32-/64-bit) Parts: 1 year limited Labor: 1 year limited