ITEM NAME:M.2 To Desktop PCIe X4/X8/X16 NVMe SSD NGFF Express Adapter Expansion Card Product Description Description: MAIWO PCIE x4 To M.2 NVMe SSD NGFF Adapter Support PCI Express 3.0 x4 Computer Expansion Cards Specification: Brand: MAIWO Model: KT016L Function: desktop storage extension, transmission speed-up HD interface: support M.2 NVME PCIe3.0 X2 and X4 solid-state hard disk Expansion interface: support PCIe X4/X8/X16 Power supply mode: PCI-E power supply HD quantity: 1pc Material: aluminum alloy, environmental protection glass fiber material Weight: 62g Size: 189*121*22mm/7.44*4.76*0.87'' Operating system: for Windows/Macos/Linux Use steps: 1. SSD solid state hard disk tilt 45 Â °insert into the corresponding interface of the conversion frame; fixed the inserted SSD with screw. 2. Then insert the conversion card installed with SSD hard disk into the PCIE X4 slot of the computer motherboard; fix the PCIE conversion card through the fixed slot of the computer chassis to prevent the conversion card from shaking. Note: Due to the manufacturer's reasons, the panel color is black / green, random.Then insert the conversion card installed with SSD hard disk into the PCIE X4 slot of the computer motherboard; fix the PCIE conversion card through the fixed slot of the computer chassis to prevent the conversion card from shaking.