Komputerbay 8GB ( 4 X 2GB ) DDR2 DIMM (240 PIN) AM2 1066Mhz PC2 8500 FOR Gigabyte GA-MA790GP-DS4H 8 GB Komputerbay 8GB ( 4 X 2GB ) DDR2 DIMM (240 PIN) AM2 1066Mhz PC2 8500 FOR Gigabyte GA-MA790GP-DS4H 8 GB ONLY WORKS ON MOTHERBOARDS WITH AMD PROCESSORS (SOCKET AM2 ,AM2+ AND AM3 PROCESSORS) . Non-ECC Non parity Voltage 1.8V. SUPPORTS DUAL CHANNEL TRIPLE CHANNEL AND QUAD CHANNEL. Lifetime Warranty COMPATIBLE WITH Gigabyte GA-MA790GP-DS4H