4GB KIT 2x 2GB EliteGroup ECS Motherboard G41T-M7 G41T-R3 H55H-CM H55H-I H55H-M H55H-M2 H55H-M6 H55H-MU H57H-M H57H-MUS H61H2-A H61H2-A2 Deluxe H61H2-I2 DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory 4GB KIT (2 x 2GB) DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For EliteGroup (ECS) Motherboard. (See Compatibility List Below)