Irvine, California-based Toshiba America Electronic Components Inc reports that its parent is now offering samples of three versions of the of the MIPS Computer Systems Inc R4000 RISC, with volume set to reach 10,000 parts a month by June. All have a 50MHz clock and the three are the TR85R4000PC, at $1,100, rated at 45 SPECmarks, with 64-bit CPU and on-chip 64-bit floating point and an integrated 16Kb cache. The $1,500 85R4000SC adds secondary cache function and it is claimed to do 70 SPECmarks with 1Mb external cache. The 85R4000MC is the multiprocessing version of the SC cache version, and it is $2,200 in sample quantities.