The A7000

• 2 - 4 MB RAM (on motherboard, one free SIMM socket)
• ADFS (with new Filecore allowing > 512 MB HDDs)
• IDE 425 MB Hard Drive as standard (not present on "Net" model)
• ARM 7500 processor (32 MHz and 4k internal cache)
• 4 MB in ROM
• Free 32-bit expansion slot (no DMA)
• Optional CD-ROM drive
• 16-bit digital sound as standard
• Free 32-bit expansion slot (cannot be used in conjunction with 5.25" drive bay)

The above details are taken from Acorn documentation.