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OFFTEK 4GB Replacement Memory RAM Upgrade for HP-Compaq ProDesk 400 G1 Microtower (DDR3-12800 - Non-ECC) Desktop Memory at Amazon.com
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HP ProDesk 405 G1 - Micro tower - 1 x A4 5000 / 1.5 GHz - RAM 4 GB - HDD 500 GB - DVD SuperMulti - Radeon HD 8330 - GigE - Win 7 Pro 64-bit (includes Win 8.1 Pro License) - monitor: none - keyboard: US - Walmart.com
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