... befor we sent to u!!! used / tested / good working!!! Used SD Ram 512,used / tested / good working, pc 266,168-pin DIMM 100% Compatibility ... warranty, no Korean rams. Used SD Ram 128,used / tested / good working 128mb SDRAM. Major brands are HP and NEC. 50units / per ... warranty, no Korean rams. Used SD Ram 512,used / tested / good working, pc 266,168-pin DIMM 100% Compatibility (assuming that your ...