Memory RAM Upgrade for HP Compaq Elite 8300 Micro-Tower 4GB/8GB DDR3 DIMM
4GB DDR3 PC3-12800 1600MHz 240-pin DIMM. 8GB DDR3 PC3-12800 1600MHz 240-pin DIMM. You can install different sized modules together in your machine. For example: Installing 2 x 8GB alongside 2 x 4GB will be 100% compatible.