The model B version was released with additional memory and a dual USB connector. Model A only featured 256mb of RAM and didn’t have an Ethernet connection. The technical specifications for model B are below.

A Broadcom BCM2835 Processor
700 Mhz ARM Processor
512 MB RAM
Dual core VideoCore IV multimedia Co-Processor for processing graphics
1x Ethernet connection for connecting to a network
2x USB Connectors for using a mouse, keyboard etc
HDMI visual & audio output to a TV or monitor
Composite RCA output an older style TV
3.5mm jack for audio output
SD card for data storage

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Raspberry Pi Hardware

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