4GB Kit 2x2GB 240p DDR2-667 DIMM 4GB Kit 2x2GB 240p DDR2-667 DIMM Equivalent OEM part numbers: HYS64T256020EU-3S-C2, EBE21UE8ACFA-6E-E, MT16HTF25664AY-667J3A, EBE21UE8ACWA-6E-E, M378T5663DZ3-CE6, M378T5663QZ3-CE6, MT16HTF25664AY-667E1, MT16HTF25664AY-667G1, MT16HTF25664AY-667G2, MT16HTF25664AY-667J2 , MT16HTF25664AY-667A3, MT16HTF25664AZ-667H1, NT2GT64U8HD0BY-3C, NT2GT64U8HB0JY-3C, HYMP125U64AP8-Y5, HYMP125U64CP8-Y5, KTH-XW4300/2G, SNPKU354C/2G, KVR667D2N5/2G. This module is major brand approved and tested by Gigaram engineers to work for machines that uses this specifications. This module is in stock and can ship today. 100% Compatible and Lifetime Warranty from Gigaram.