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Amazon.com: Patriot Memory Signature Line DDR3 4GB (1x4GB) UDIMM Frequency PC3-12800 (1600MHz) 1. 5 Volt - PSD34G16002 : Everything Else
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Patriot Memory PSD34G16002 Signature 4GB DDR3 SDRAM Memory Module - 1600 MHz DDR3-1600/PC3-12800 - Non-ECC - Unbuffered - 240-Pin - DIMM at Amazon.com
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