Expresscard
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|
| Year created | 2003 |
|---|---|
| Supersedes | PC Card |
| No. of devices | 1 per slot |
| Speed | 280 Mbit/s effective (USB 2 mode) 1.6 Gbit/s effective (PCIe 1 mode) 3.2 Gbit/s effective (PCIe 2 or USB 3 mode) |
| Style | Serial |
| Hotplugging interface | Yes |
| External interface | Yes |
ExpressCard, initially called NEWCARD, is an interface to connect peripheral devices to a computer, usually a laptop computer. The ExpressCard technical standard specifies the design of slots built into the computer and of expansion cards to insert in the slots. The cards contain electronic circuits and sometimes connectors for external devices. The ExpressCard standard replaces the PC Card (also known as PCMCIA) standards.
ExpressCards can connect a variety of devices to a computer including mobile broadband modems (sometimes called connect cards), IEEE 1394 (FireWire) connectors, USB connectors, Ethernet network ports, Serial ATA storage devices, solid-state drives, external enclosures for desktop-size PCI Express graphics cards and other peripheral devices, wireless network interface controllers (NIC), TV tuner cards, Common Access Card (CAC) readers, and sound cards.
Originally developed by the Personal Computer Memory Card International Association (PCMCIA), the ExpressCard standard is maintained by the USB Implementers Forum (USB-IF). The host device supports PCI Express, USB 2.0 (including Hi-Speed), and USB 3.0 (SuperSpeed) (ExpressCard 2.0 only) connectivity through the ExpressCard slot; cards can be designed to use any of these modes. The cards are hot-pluggable. The ExpressCard standard is an open standard by ITU-T definition, and can be obtained from the USB-IF website free of charge.
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