[PCI-E 1X to 16X Expansion Cards] --- VER010-X version, high-performance PCI Express expansion card, can expand the motherboard PCIE X1 slot to PCIE X16 slot. Mainly designed to work with Ethereum/ mining rigs or more GPU mining rigs. [M.2 NGFF to PCIe Expansion Card]--- Use this expansion card to convert the M.2 NGFF interface to a normal PCIe1X interface. There are 4 fixing holes on the board, 22x30mm, 22x42mm, 22x60mm, 22x80mm [Note]--- The USB3.0 interface on the M.2 to NGFF adapter card is a PCI-E signal, not a USB signal, and the USB device cannot be connected. [Easy installation] --- Plug and play, no driver installation required. PCI-E cards can be inserted into any PCI-E slot: x1, x4, x8 or x16. The USB 3.0 transfer cable provides flexibility in the placement of your PCI-E devices. [Support System]--- Compatible with all WINDOWS systems LINUX, . [Improve security]---Using 8 fixed capacitors and adding extra coils to prevent electromagnetic interference caused by external GPU mining for a long time. Product Name:PCI-E 1XTO 16X + M.2 to PCI-E Riser Card Product interface: PCI-E 1X / PCI-E 16X Compatible slots: x1, x4, x8, x16 Support system: Compatible with for all WINDOWS systems, LINUX Material:Metal + Plastic colour:White Package Contents: 1 x PCI-E riser card 1 x PCI-E 1X Adapter Card 1 x M.2 to PCI-E riser card 1 x 60cm USB 3.0 extension cable 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.