1. M.2 to PCIe 4X Adapter can convert the NGFF M.2 interface into PCI Express 4X interface. 2. Small 4 pin power connector available for stable power supply. 3. 2 Screw holes 22x60 / 22x80 available. Easy installation and no driver required. 4. with LED Voltage indicator. Support data transmission up to 4.0GB/s. 5. Allow users to use standard PCI-e 4x cards in the M.2 NGFF M key slot of a desktop or laptop computer. Compatible with all WINDOWS systems, LINUX and . 6. Adopt differential circuit, support PCI-E 4X signal. Note: M.2 NGFF to PCI-E X4 riser card, use this riser card to convert M.2 NGFF interface to ordinary PCI-E X4 interface, there are 2 fixed holes on the board, 22 respectively x 60mm, 22 x 80mm, according to the length of the slot in your machine, it can be broken and positioned. It must be noted that after the break off, our company does not support returns, you must make that it can be used before breaking! Type: Riser card Type: NGFF M.2 M Key to PCI Express 4X Adapter Product Name: NGFF M.2 to PCI-E 4X Riser Card Features: 3.3V 12V LED Indicator Power Supply: 4Pin Power Cable Compatible: with 1X 4X PCIE Slot Interface: NGFF M2 to PCIE X4 Colour:black Material:PCB+Plastic+Metal Size:80 x 23mm Package Contents: 5 * M.2 to PCIe 4X Card 5 * 4pin Power Cord 5 * Screw 5 * Screwdriver Only the above package content, other products are not included. Note: Light 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.