Bus Type: PCI-Express (PCI-e x 1) Speed: SATA III (6 Gbit/sec) Internal connectors: 1 x SATA Female External Connectors: 1 x e SATA Female Port Multiplier & Native Command Queuing support Software Compatibility: Windows Vista (32/64 bit), XP/ Server 2003/8 (32/64 bit) Windows 7/8 Chipset: Marvell 9128 Standard & low profile back plates supplied Pin header for drive activity LEDs 2 year warranty