Riser card is plug and play, which is easy and convenient to use.With this riser card, you can convert the M.2 interface into common PCI-E X4 interface.Made of PVC and electronic component material, it is reliable and durable.The length of the product is 8cm, the width is 2.17cm and the height is 1.8cm.Riser card is vey suitable for mining. There are 2 fixed holes on the board. According to the length of the card slot in your machine, you can choose to break and locate (Note: make sure it can be used before breaking).Item Name: Riser CardMaterial: PVC,Electronic ComponentColor: BlueInterface: NGFFPerformance: M.2 Port to PCIE Extender CardFeatures: High Speed, Strong Stability, Good CompatibilitySize Details: Riser Card Size: 8cm x 2.17cm x 1.8cm/3.15" x 0.85" x 0.71" (Approx.)Two Fixed Holes Size: 2.2cm x 6cm/0.87" x 2.36", 2.2cm x 8cm/0.87" x 3.15" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Riser Card1 x Screwdriver1 x Screw