HP DL380G5 E5420 2G (1) Quad-Core Intel® Xeon® Processor E5420 (2.50 GHz, 80 Watts, 1333 FSB), 12MB (2 x 6MB) Level 2 cache - Intel® Xeon® processor 5400 sequence, 2 GB (2 x 1 GB) PC2-5300 Fully Buffered DIMMs (DDR2-667) with Advanced ECC, mirrored and on