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![SOLVED] Customer wants to know which memory to buy - HP Hardware](https://content.spiceworksstatic.com/service.community/p/post_images/0000249284/59245fa4/attached_image/HP_Z420_CPU-memory_throughput.JPG "SOLVED] Customer wants to know which memory to buy - HP Hardware")
SOLVED] Customer wants to know which memory to buy - HP Hardware
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![SOLVED] Customer wants to know which memory to buy - HP Hardware](https://content.spiceworksstatic.com/service.community/p/post_images/0000249281/59245fa4/attached_image/HP_Z420_DIMM_loading_rules.JPG "SOLVED] Customer wants to know which memory to buy - HP Hardware")
SOLVED] Customer wants to know which memory to buy - HP Hardware
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Z420: Memory read error - DB parity error - HP Support Community - 6254862
