you can buy the usb form of this adapter at microcenter.com for 1.99 it reads all sd cards or the actual bay item is hard to find I know sony makes a ide version of it kina hard to find used to sell on new egg like 5 years ago
ExpressCards are not backwards compatible with CardBus or PC Card
your PC card should be connected with a USB wire
No.
A "PC Card" (originally called a "PCMCIA Card")
The C300 has a PCMCIA PC Card slot. You can purchase a PCMCIA PC Card Adapter that is compatible with SD, MS, MMC, & SM Cards.
No. A PC Card is a small card slot that is usually found on a notebook. It is really rare that it is on a desktop or tower computer. An express card is a type of a PCI card that fits in a slot in the motherboard.
mastercard or visa
A bumby strip on the edge of the CardBus prevents it from being inserted into the slot.
Type III
floppy disc
CardBus
A slot card is a modular expansion card, which can be inserted into a free expansion slot in a PC computer. Most popular types of slot cards are graphic cards, sound cards, TV tuner cards and video editing cards.