1、This product is an adapter with heatsink, used to convert PCIE-16X to M. 2、High-strength chip: adopt high quality chip imported from Taiwan to make it faster and more stable. 3、Gold-plated finger: 5mm thick gold-plated, reliable contact, low loss, effectively reduce packet loss and data delay. 4、Interface: fully shielded gold-plated interface externally, flat needle for internal contact. 5、Gold-plated Interface for 25mm, effectively reduce contact resistance, improve signal interference prevention, and make data transmission smooth. Features: 1. This product is an adapter with heatsink, used to convert PCIE-16X to M. 2. 2. High-strength chip: adopt high quality chip imported from Taiwan to make it faster and more stable. 3. Gold-plated finger: 5mm thick gold-plated, reliable contact, low loss, effectively reduce packet loss and data delay. 4. Interface: fully shielded gold-plated interface externally, flat needle for internal contact. 5. Gold-plated Interface for 25mm, effectively reduce contact resistance, improve signal interference prevention, and make data transmission smooth.   Specification: Interface Type: 1 x NGFF_M Key Connector Bus Type: PCI-E 16Xslot Master Chip: N/C PCIE-16X-M2(M.2 Riser Card) (PCI-E to M.2(M Key)) (connect hard disk)   Instruction: M key can connect to PCI-E 4x.   Package List: 1 x Riser Card 1 x Heatsink 1 x Screw Package 2 x Bubble Sticker