JackApplewhite

+1 on the GSkill modules. I just replaced the two supplied 4GB Samsung DIMMs with a pair of these GSkill 8GB ones from NewEgg. My Optiplex 3010 booted right up and I'm happy. This is after 3 separate Dell "technicians" said that 8GB was the max memory possible for the 3010. [h=1]G.SKILL Ares Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-1600C9D-16GAR[/h]