accelerator cards: commodore a2620 machine: a2000 price: £5000 with 2mb ram (1989) comment: a 68020@14.3mhz, 2mb fast ram 32bit (100ns), 68851@14.3mhz, 68881@14.3mhz, upgradable to 25mhz. mmu. densely packed expansion card that plugs into the co-processor socket. run 4.5-4.8 times faster. early german a2000 user need to removed the 512k ram that occupies the first socket. commodore a2630 machine: a1500/2000 price: £1870 (1991) comment: price incl. 68030/25mhz and 2mb 32bit ram.