Specification: Item size: 12 * 6.7 * 1.85cm / 4.72 * 2.64 * 0.73in(L * W * H) Item weight: Approx.39g / 1.38oz Package size: 13.7 * 8.8 * 2.7cm / 5.39 * 3.46 * 1.06in(L * W * H) Package weight: 78g / 2.75oz Features: PCIe to SATA 3.0 4 Port Expansion Card with a low profile bracket. Supports SATA 3.0 transfer speeds up to 6.0Gbps and backwards compatible with SATA. Plug and play. Support hot-plugging. Applicable slots include PCI-Express X1, can be used on PCIe X4 X8 X16 slots. Support for Windows XP / 7 / 8 / 10(32/64 bit) /VISTA / MAC / NAS / Linux.