Rare Samsung 8GB (2 x 4GB) 200-pin DDR2 SO-DIMM 800 MHz PC2-6400 RAM, non-ECC, un-buffered, dual rank 2Rx8, 1.8V, two matched cards M470T5267AZ3-CF7. Will work in older (2007-2010) Intel or AMD based laptop or mini PCs, that support 4GB DDR2 SO-DIMM cards in a single slot. In excellent cosmetic and working condition. No return/refund, except DOA (Dead On Arrival).