Features: This adapter is only suitable for solid states hard disks with NGFF, and the size only supports 2242. 2230 2260 2280 is not supported, so the size of the hard disk should also be selected correctly. NVME PCIE ssd or other are not supported. Hard disk selection should also be correct, and the wrong hard disk not be used. Therefore, it is necessary to recognize the interfaces in case cannot be used. The direction of access equipment must be installed in reverse, otherwise it will not be recognized by computers and other equipment. Specifications: Component:Metal Size:Approx.54x31mm/2.13x1.22inch Package Includes: 1Pc Adapter Card note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.