Features: Brand new and high quality material adapter card. PCI-E X4 adapter card, which can be used to transfer ordinary PCI-E X4 interface to M2 NVME interface This adapter card adopts 4-layer board and PCI-E4.0 connector, supporting PCI-E 4.0 4X signal. Supports M2 Key-M NVMe SSDs including 2230, 2242, 2260 and 2280 drives Compliant with PCI-Express Specification Revision 4.0, backward PCIE3.0 2.0 and 1.0- motherboards Package Includes: 1PC NVME SSD to PCIE X4 Adapter Card Specifications: Item: NVMe SSD to PCI-E X4 Riser Card Output Interface PCI-E 4.0 NVME Key-M Hard disk Size: for 2230 2242 2260 2280 22110 Interface Speed: 6500-7200MB Supported slots: PCI-E 4X 8X 16X Color: Black Supported System: Win10/11/Linux note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!