Fangrui Product Details 2- M.2 Pci-express 2.0 Interface B +m Key). Support Pci-express Data Transfer Rate Up To 5.0 /2.5 Gbps. Supports Ide Programming Interface Registers For Sata Controllers. Supports Ahci Programming Interface Registers For Sata Controllers. Support Message Signaled Interrupt () The Mini Pci-express Sata Expansion Card Can Expand 2 Sata3.0 Interfaces, Using The Native Pci Express 2.0 Bus, This Card Supports Sata6gbps Devices That Comply With The Sata3.0 Specification, And Is Also Backward Compatible With Sata 15gbps And 3.0gbps Devices Compliant With Serial Specification 3.0. Support Communication Speed 6.0gbps, 3.0gbps, 1.5gbps. Supports Programmable Transmitter Signal Levels. Supports Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x And Gen 3i. Support 2 Sata Ports. Support For Native Queuing (ncq) Increase Based On Port Note: To Pm Is Not Supported Sata Controller Compliant With Serial Specification 3.1 Supports Communication Speeds Of 6 Gbps, 3 Gbps And 1.5 Gbps Supports Programmable Transmitter Signal Levels Su