RAM/DDR3/4GB/1600MHz/204P/SO-DIMM/M3SW-4GMJDI0C-K
PC3-12800/256Mx8/DR/1,5V/-40~+85°C/Micron
Please note: B43, G41, G43, G45, P43, P45, Q43, Q45 The above Intel chipsets do not support memory modules with 256MKx8 DRAM chips. If you are using above mentioned platforms, please choose memory modules with DRAM chip 128Mx8