Features : The 12-Port SATA controller expansion card is compatible host PCie X1/X4/X8/X16 card slot.Supports SATA III transfer speeds up to 6.0Gbp PCI-E SATA Expansion,Connecting 16 mass storage devices at the same time. With Windows/8/10 / MAC /Linux Operating System can be installed on disk connected to these ports Product Specification: Product Name:12-Port SATA 3.0 Controller Expansion Card Input Interface :PCI-Express Gen 3 X1 output Interface:SATA 3.0 Power Supply:No additional power supply required Transfer Speed:6Gbps PCle Slot support:PCI-E X1 / X4 / X8 / X16 No Hardware RAID support Chipset : ASM 1064 + JMB575 Support Windows 8/10, Mac OS, Linux Package Contents: 1 x 12 Ports SATA 3.0 expansion card 1 x Low profile bracket 1 x Driver Disk