The HP workstation j5600 with UNIX is a highly versatile computing platform that features dual HP PA-8600 processors with total on-chip cache of 1.5MB for powerful throughput at exceptional speeds. In addition to peak memory and I/O bandwidths of 2GB/s, the HP j5600 comes standard with 1GB RAM (120MHz SDRAM) upgradeable to 8GB and seven I/O slots. And with its HP-UX 11 operating system, the HP j5600 offers full, 64-bit performance for your most compute- intensive applications.