I have HP DC5800

> Intel Core 2 Duo E4500 2.2GHz

>Chipset Intel Q33 Express chipset

memory is:-

>1GB-2RX8 PC2-6400U-666

I have bought 1GB-1RX8 PC2-6400U-666 are both working perfect and what will be core speed after upgrading.
2 answers Last reply
More about ddr2
  1. The speed of the Core 2 Duo will remain the same, @ 2.2 GHz, while the memory will be operating at 800 MHz.
  2. Insignificant increase in performance. Overclocking memory adds little if any performance.
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