Sun Ultra 20 Microsystem Workstation Barebone Motherboard CPU Powersupply Drive Part: Sun Systems Ultra 20 Type: Barbone / 2.2GHZ CPU / Processor Number: OSA148DAA5BN Memory Support: 4-GB PC3200 ECC (1 GB, 512 MB) or non-ECC (256 MB) unbuffered DIMMs; four DIMM slots, unbuffered DIMMs only Includes: Ultra 20 chasis,motherboard, CPU/Processor,Power Supply,Heatsink and Fan,Optical Drive **Ship within 24 hours except holidays and weekends**