2x Samsung 16GB 2Rx8 DDR4-3200 SO-DIMM, totaling 32GB of 2Rx8 DDR4-3200. Sold as pairs from a large lot. Mixture of P/N: M471A2K43DB1 and M471A2K43EB1 Testing was done as a pair using MemTest86 V1l.6 Pro, please check the final two photos for test results / summary. Photos of multiple pairs from the lot have been added for reference. Please ensure to always evaluate all photos before purchasing. It is always the buyers responsibility to ensure that their intended purchase will match the specifications and requirements of their devices. (Seller Note: Item #10-1 through #10-10) (Seller Note: Item #10-4 gone)