Fangrui Product Details [adapter Card]this Adapter Card Has 4 Expansion Cards That Can Simultaneously Expand 4 X 32 Gbps Full-speed Signals. High Quality: Adopts A Solid Structure And Uses Thicker Pcb Material To Stabilise The Pcie X16 Interface And Protect Important Data. [m.2 Nvme Ssd To Pcie X16m Key Adapter Card]the Motherboard Supports The Pcie Split Or Pcie Function And Supports The Fer Protocol Pcie 3.0, 4.0. [good Performance]no Disk Loss, No Speed Reduction, No Blocking And Equipped With A High-performance Dc Power Chip To Ensure Stable Operation Of The M2.nvme Ssd. Easy To Use: 4 Hard Drives Are Equipped With 4 Led Indicators And The Operation Is Easy And Convenient To Use. Colour:black Material:plastic Package Contents: 1 X Pcie Nvme Adapter 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.