Any one could post a review of ExpressCard in using? would like to get some advice before adding one into my cart

Be more specific as there are a lot of differents cards -------------"Hardware that may be plugged into a computer via an ExpressCard includes connect cards, FireWire 800 (1394B), USB 2.0, USB 3.0 , Ethernet (even Gigabit Ethernet), Serial ATA external stick drives, solid-state drives, external enclosures for desktop size PCI Express graphics cards, wireless network interface cards (NIC), TV tuner cards, Common Access Card (CAC) readers, and soundcards and many others devices using chips which connects to computer using with USB or PCIe."