SATA 6GB/S 2 POORT INTERN OF EXTERN PCIE

Interface card, 2+2-ports SATA 6Gb/s, PCIe. This card has 4 SATA ports, which can be optionally used by jumpers internal or external.

PCI Express 2.0 interface (x1)
2 external eSATA + 2 internal SATA ports, to operate either
backward compatible with PCI Express 1.0a
LED activity indicator: connected LEDs indicate drive activity of the HDD that is connected to the card or the motherboard
compliant SATA 3.0 specification
data transfer rate: 6Gb/s, 3Gb/s, 1.5 Gb/s
Supports NCQ and Port Multiplier
Supports Hot-plug of SATA devices
The card is bootable from the connected hard drives
The SATA ports can be operated in 3 modes: 1.: 2x external, 2.: 1x internal and 1x external, 3.: 2x internal
Supports IDE / AHCI mode
Supported Operating systems: Windows 8 / 7 / Vista / XP / 2003/2008 /R2 (all 32/64-bit)