Crucial CT579443 RAM Module - 4 GB (2 x 2 GB) - DDR2 SDRAM 667 MHz DDR2-667/PC2-5300...
When you buy Crucial memory, you're buying directly from the largest DRAM manufacturer in America and one of the top three in the world.
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As low as $159.99
User Review: I bought Crucial memory because of it's reliability. The memory I bought at another place because it was cheaper, failed on me.