KEYSIGHT M9021A PCIe Cable Interface: Gen 2, x8
M9021A is used with the M9018A PXIe Chassis and provides a Gen 2, x8 PCIe cable link to an external system controller.
KEYSIGHT M9045A PCIe ExpressCard Adaptor: Gen 1
M9045A is used to connect an M9502A/M9505A AXIe chassis or M9018A PXIe Chassis with M9021A cable interface to a laptop computer