MemoryMasters 16GB (1x16GB) DDR3-1600MHz PC3-12800 2Rx8 240-Pin 1.35V NON-ECC UDIMM Unbuffered Memory for Desktop PC MemoryMasters is manfufactured using top brand chips such as Micron, Samsung, Hynix or Elpida and meets or exceeds manufacturer specification along with JEDEC standards. Image may not exactly match product. This memory is in our USA stock and ships same business day before 4PM EST. All MemoryMasters memory is backed by Lifetime Replacement Warranty and free tech support.