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What is the RAM limit for devices.

post #1 of 4
Thread Starter 
My question is what are the ram limits for laptops and desktop PCs.

For example how can my toshiba 64 bit windows 7 laptop run a Max of 8gb Ram while a desktop pc running 64 bit windows can run 32 or 16 gb of ram.

Please explain

THanks in advance
post #2 of 4
Well 32-bit windows will support 4gb (3.5 usable)

64-bit windows will support up to 196gb I believe, but windows home premium x64 will only support 16gb.

Most of the time though, it is a limitation on the motherboard in the computer, so you should always look up the model number of the mobo before doing any upgrades thumb.gif
post #3 of 4
because your laptop only has 2 ram slots and your computer has 4
post #4 of 4
Quote:
Originally Posted by redhat_ownage View Post

because your laptop only has 2 ram slots and your computer has 4

This.

Memory comes in modules of a certain size (2GB, 4GB, if you have the money, 8GB). Your maximum memory limit is number of memory slots mulitplied by the biggest module your system can take.

Laptops are usually limited to 4GB modules at most, so 4GB * 2 = 8
Old PCs typically are also 4GB * 2, but higher class systems will have 4 slots, so 4 GB * 4. Newer systems will accept 8 GB modules, and up to 8 slots, so 8*8 = 64 GB max.
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