What's in the box:

M.2 NGFF to USB 3.0 Converter Card M.2 M Key to USB 3.0 PCI-E X4 Riser Card M.2 NGFF to PCI-E X4 Mining Adapter Card (Standard)

This M.2 NGFF to USB 3.0 Converter Card enables you to use PCI-E X4 card in a M.2 NGFF M key slot, and it only supports M.2 NGFF M key 2242, 2260, 2280 and PCI-E X4 card.

Feature:
Function
You can use PCI-E X4 card in a M.2 NGFF M key slot.

Plug N Play
No drivers required, just plug and play, easy to use.

2 Fixed Holes
It offers 22* 60mm and 22* 80mm for choice, and you can break the position according to the length of your card slot.

Compatibility
Only supports M.2 NGFF M key 2242, 2260, 2280 and PCI-E X4 card.

Supporting System
Compatible with Win XP/2003/VISTA/2008, WIN 7/8 32 bit/64 bit and Linux.

Specification:
Interface: M.2 M Key, USB 3.0
Item size: 80* 21.7* 18mm/ 3.15* 0.85* 0.71in
Item weight: 85g/ 3oz

Packing list:
1 * M.2 to USB 3.0 Mining Adapter Card
1 * Screwdriver
1 * Screw