Lot of 2 4GB DDR3 PC3-12800U 1600MHz Desktop RAM Hynix Micron Mixed 8GB Total
Both sticks are PC3-12800U running at 1600MHz. Modules are from different manufacturers but share identical speed and capacity specifications. PC3-12800U (1600MHz). Compatibility Note Compatible with desktop motherboards supporting DDR3 non-ECC unbuffered DIMMs at 1600MHz.