The maximal ram memory expansion is4GB ram. For memory upgrade there are 2 ram slots.
In order to take advantage of the dual-channel mode, it is recommended to equip the memory in pairs (each with the same memory modules). The device only works with the same capacity of the memory banks with maximum performance.
Our maximum memory specifications may differ from those of the manufacturer as they may be obsolete. New memory technologies or bios or software patches make this possible with the same performance and stability.
We recommend for your Presario SG3400 Serie (2 Slots) Desktop a maximum upgrade with 4GB RAM.
A system upgrade is recommended if you are working with several memory-intensive programs at the same time. At least 1 or 2GB of memory should be installed.
Compaq Presario SG3400 Serie (2 Slots), Presario SG3400CX, Presario SG3408CX, Presario SG3410IL, Presario SG3415CX, Presario SG3418BR, Presario SG3420CX, Presario SG3420IL, Presario SG3420TW, Presario SG3430IL, Presario SG3440IL, Presario SG3470IL
Your system supports only memory modules with selected memory chips. If you think you have found a store for a lower price elsewhere, then it is possible that the cheaper memory chip will not work.
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