Planning to upgrade RAM of your HP Compaq 8300 Elite SFF or HP EliteDesk 800 G1 SFF, here are the some basic details about the memory type for your system. Compatible Memory Type for HP Compaq 8300 Elite SFF and HP EliteDesk 800 G1 SFF is same, Both of these Hewlett Packard computer systems accept DDR3 1600 PC3-12800U 240pin. Both HP Compaq 8300 Elite SFF and HP EliteDesk 800 G1 SFF have maximum upgrade capacity of 32GB. Both have 4 memory slots each with maximum capacity of 8GB (4 slots x 8GB = 32GB). Both of these computers are equipped with USB 3.0 Ports, and performance wise both systems handle the business needs excellent but i must say that HP EliteDesk 800 G1 SFF has edge over HP Compaq 8300 Elite SFF. Speed wise HP EliteDesk 800 G1 is faster than HP Compaq 8300 Elite. In terms of price, both computers are very affordable, and you find them easily within the price range of $75 to $200 depending on the specifications of the computer being offered.