HP Compaq Pentium Dual Core 1.6GHz 512MB 80GB DVD XPP HP Compaq Business Desktop dx2300 - Pentium Dual Core E2140 1.6 GHz Type Personal computer Form Fact Micro tower Dimensions (WxDxH) 6.9 in x 16.4 in x 13.9 in Weight 21.2 lbs Localization English / United States Processor 1 x Intel Pentium Dual Core E2140 / 1.6 GHz ( Dual-Core ) Cache Memory 1 MB L2 cache Cache Per Processor 1 MB RAM 512 MB (installed) / 4 GB (max) - DDR II SDRAM - non-ECC - 667 MHz - PC2-5300