Elpida 4 GB (2 x 2GB) 1Rx8 PC3-12800S-11-10-B2 DDR3 Laptop Memory at Amazon.com
2GB 1Rx8 DDR3 SODIMM PC3-10600 1333MHz 204-Pin Non-ECC Unbuffered CL9 1.5V Laptop Memory Module EBJ20UF8BCS0-DJ-F Compatible Replacement Spare Part for Elpida Compatible and Other Systems at Amazon.com
HP m6-k015dx Elpida 8GB (2x4GB) PC3L-12800S Memory RAM SO-DIMM EBJ40UG8EFU0-GN-F