Features: brand new and high quality Three modes are available (AHCI, IDE, data disk) support PE installation system. for Comply with Serial ATA 3.0 specification, backward for Sata 2.0 Sata 1.0 There is an available PCI for Express X1 slot, which also supports PCI-E X2 X4 X8 X16 When installing the system with PE, you need to switch the mode switch to NO Boot mode. After installing the system, switch to AHCI or IDE to use normally (GHOST or the installation version can be installed directly) If you use the data disk to switch to NO Boot mode, you can close the self-check interface without any settings, no need to install the system, and no blue screen! If there is a blue screen when the SSD is used as a system disk and cannot be turned on, install the system to solve it perfectly! Specifications: Item: Sata 3.0 PCI-E Expansion Card Bus interface: PCI-Express X1 Support interface: PCI-E X2 X4 X8 X16 Material: Metal Color: Black Transfer Speed: 6Gbps Size: Mixed Extension ports: 2 Sata 3.0 interfaces Operating system: Windows10/8/7 (32/64 bit)/ Vista (32/64 bit)/ XP/2003/2008/linux Package Includes: 1 x PCI-E to Sata Extension Card note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.