1. Only supports MSATA SSD + M.2 NGFF SATA SSD, not NVME and PCI-E SSD 2. The signal is switched between MSATA SSD and M2 SSD using an electronic switch, without the need for manual switching 3. The SSD will be re-initialized when it is used for the first time, and the hard disk data should be backed up before use. 4. MSATA SSD and M.2 SSD cannot be used simultaneously! Only one SSD can be used at a time! 5. Simultaneously insert mSATA SSD and M.2 SSD, default to reading M.2 SSD. Vastly increase system performance by adding the speed of an M.2 SSD in any 2.5inch SATA application, with the mSATA SSD + M.2 SATA SSD to SATA adapter. Utilize the full potential of your SATA III controller, with an M.2 SSD reducing your data transfer bottleneck with file transfer speeds up to 6Gbps. M.2 SSD can also save you money by reducing your power consumption over regular platter drives. Help protect the health of your drive with an open-frame design that maximizes heat dissipation. TYPE:M2 SATA SSD + mSATA SSD Case Interface:mSATA, M.2 B Key, SATA 22PIN Support system:for WinXP/Vista/Win7/Win8 32 bit /64 bit MAC/LINUX Not support:NOT for PCI-E NVME M2 SSD Suitable for four different SSD hard disk lengths, for different M2 SATA SSD hard disk lengths such as 2230/2242/2260/2280 Colour:Black Material:plastic+metal Package Contents: 1 * Transfer card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.