<computer> A computer built with the MicroSPARC ii 70MHz CPU as used in the SPARC 5 Model 70. The SPARCsystem 4 is basically a cheaper, cut-down SPARC 5. It has an 8-bit pixel accelerator instead of the SBus Turbo GX card. Memory expansion is limited to 160 MB. Availability was planned for March/April 1995.