1.Compliant with PCI-E Specification v2.0 and backward compatible with PCI-E v1.x 2.Compliant with SATA Specification 3.0 3.PCI Express x2 Interface, and Compatible with PCI Express x4, x8 and x16 Slots4.Supports Communication Speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 Gbps 5.Hot Plug and Hot Swap 6.Supports Native Command Queue (NCQ)7.Supports Port Multiplier FIS Based Switching or Command Based Switching 8.Compatible with SATA 6G, 3G, and 1.5G Hard Drives 9.Marvell 88SE9705 chipset Notes: Hangs for 20-30 seconds if no HDD/SSD is connected to the card. Not a symptom of being defective. SATA ports are bootable. Supports Optical Drives. Supports 3TB/4TB GPT drives Supports Windows 8 (Uses Windows 7 Driver) Supports Windows Server 2012 (Uses Windows Server 2008 driver) Package Includes 1 x SATA III (6Gbps) 8-port PCI-Express Controller Card 1 x User Manual 4 x SATA Cables (16'') 1 x Driver CD 1 x Low Profile Bracket Software Requirement Windows Server 2012 Windows 8 Windows 7 Vista Windows XP Server 2003 Server 2008 R2 Linux 2.6x and above Mac OS 10.x Item Dimension (L''xW''xH''): 9.5 x 6.5 x 1.5Weight:0.7lbWarranty Information: 1 Year