PCI-E TO M. 2 Adapter for NVMe Protocol M. 2 SSD, Faster Reading/Writing, Improving Efficiency; Supports Base Boards With PCI-E×1 / ×4 / ×8 / ×16 Socket, Support Raspberry Pi Compute Module 4 and PC Dektop; Faster Reading/Writing Speed Than HDD, Greatly Boosting Drive Performance; Support M. 2 M Key SSD Type. Compatible With Different Sizes Of M. 2 SSD 2230 2242 2260 2280; The LED Lights Up When Power-On, And Keeps Blinking While Reading/Writing