Old HP RAM/CPU advice

[Yasin40]

Hi friends.

I found a random old HP XW4400 PC. Only it has no RAM. I don't know what RAM to buy. I can buy the original HP DDR2 (SDRAM) for €21 which is very expensive because of shipping, the actual price is €13. I can also buy this https://www.amazon.de/dp/B0087NGX4E/ref=asc_df_B0087NGX4E1530878400000/?tag=pricewatch-21&creative=22662&creativeASIN=B0087NGX4E&linkCode=df0&language=nl_NLDDR2 from Micro Memory, would this work with my PC? My next question is: what CPU can I upgrade to? It currently has an E6600 Core2Duo. It's socket 775 with chipset 975X. I've looked around online but I can't really find anything. I would like to upgrade to a Core2Quad or even XEON but I don't know what would work. If anyone know please tell me. Thanks you all

[Radium_Angel]

1 hour ago, Yasin40 said:

Hi friends.

I found a random old HP XW4400 PC. Only it has no RAM. I don't know what RAM to buy. I can buy the original HP DDR2 (SDRAM) for €21 which is very expensive because of shipping, the actual price is €13. I can also buy this https://www.amazon.de/dp/B0087NGX4E/ref=asc_df_B0087NGX4E1530878400000/?tag=pricewatch-21&creative=22662&creativeASIN=B0087NGX4E&linkCode=df0&language=nl_NLDDR2 from Micro Memory, would this work with my PC? My next question is: what CPU can I upgrade to? It currently has an E6600 Core2Duo. It's socket 775 with chipset 975X. I've looked around online but I can't really find anything. I would like to upgrade to a Core2Quad or even XEON but I don't know what would work. If anyone know please tell me. Thanks you all

This is an old workstation, you will need ECC RAM to max out the ram at 8GB, it will take non-ECC, but only up to 2GB of ram.

You will need to update the BIOS and then the max CPU the system will accept is a QX6800, no Xeons.

[GDRRiley]

get ECC ram, it does offical support 2GB sticks of ECC ram, get something generic on on HPs QVL