2U riser with 2 x PCI Express 16X slots (1 x Express 16X on Ribbon) Quantity in Basket:noneCode: 2U-2-Exp16 Price:$79.00Shipping Weight: 1.00 pounds Quantity: If this card is not in stock, you may get 2U-Exp16X16X instead. This card will need your MB to have 1 x Express 16X slot in position B and 2nd Express 16X slot in C, D, or E postion! Please see the picture below for reference!