Imperium4Store › Expansion Card Image 1 of 2 Image 2 of 2 Expansion Card £48.00 PCB Eprom Expansion Card Quantity: Scroll Down to Make an Enquiry Added! PCB Eprom Expansion Card You Might Also Like Central processing unit £190.00 Input Module £115.00 Combination I/O Module £430.00 Processor £135.00 Digital I/O Module £292.00