2U riser with 1 of X16 and 1 of X1 Express slots ONLY Quantity in Basket:noneCode: 2U-Exp16X1X Price:$59.00Shipping Weight: 1.00 pounds Quantity: This 2U PCI Express riser has one X16 and one X1 slots It goes into B-position PCI Express X16 slot on you MB! The X1 slot with ribbon can go into C-position with Express 16X/8X/4X/1X slot on you MB! Please see the picture below for reference!