Features: 1. This Adapter Card Is Not Plug-And-Play! You Need Your Motherboard To Support Pcie Splitting And You Need To Be To Set Up And Debug The Bios Yourself! 2. Many Motherboards Cannot Be Used Simply By Setting Up And Splitting Them. They Also Need To Be Set Up In Other Places! There Are Too Many Types Of Computer Motherboards, And Our Store Does Not That This Adapter Card Will Be Compatible With All Computers. 3. Motherboard! Because There Is No Way To Buy All The Motherboards And Test Them One By One! Some Motherboards Will Not Recognize The Second Hard Drive When Using This Adapter Card! It Is Best To Search Your Motherboard Performance On Baidu First. 4. Supports M.2 Nvme Pcie Protocol SSD With 2280 2260 2242 2230 Specifications. 5. This Product Uses 3.3V And 12V Dual Power Supplies, Making It Stable And Reliable For Long-Term Work! Description: 1. Name: Motherboard Expansion Hard Drive 2. Type: Nvme To PCIE X16 3. Adapter Card Size: About 140 x 100mm size: 140 x 100mm Material: PCB+Iron+Metal colour: As shown Package Contents: 1 x Adapter Plate 1 x 120mm Long Baffle 1 Set x Screw Installation Accessories 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.