The A3020

• 2048k Memory
• Advanced Disc Filing System by default with High Density drives.
• IDE 60 Mb Hard Drive
• ARM 250 processor
• Optional network connector
• 12 MHz RAM.
• 2048k OS in ROM.
• ~7.2 MIPS

The above details are taken from the Comp.Sys.Acorn FAQ by Philip R. Banks.