Bplus CB242A : PCMCIA Card to PCI Express Adapter, Best for Desktop PCIe Slot, Support both 32bit CardBus and 16bit R2 PC Card , 5V and 3.3V PC Card supported, High Performance and High compatibileity with Ricoh R5U242 CardBus Host Controller PCI Express to PC Card/PCMCIA adapter. PC card can be used in PCIe slot of desktop PC. PCI Express Base Specification Rev 1.1 Compliant: max 2.5Gbps. PC Card Standard Release 8.1 Specification Compliant. 32bit/CardBus: High Performance: max 133MB/s. 16bit/R2: i82365SL/ExCA Compliant, Compact Flash PC Card mode Support Ricoh R5U242 PC Card controller can provide high compatibility and high performance. Large Power Supply for PC Card: 3.3V & 5.0V / 1A Eject bar supported: Easy to remove PC Card