2U riser with2 x Express 16X slots Quantity in Basket:noneCode: 2U-Exp16X16X Price:$75.00Shipping Weight: 2.00 pounds Quantity: This 2U PCI Express riser has two X16 slots It goes into A or B-position and C-position (or D-position) PCI Express X16 slots on you MB! Please see the picture below for reference!