How to choose the Memory
Quick review of Memory technology
A shortfall in memory results in a significant drop in both PC capability and
performance. If your computer is slow the first place to check is not the
CPU, but the amount of memory!
Windows 32-bit operating systems can only handle approximately 3GB of
memory no matter how much physical memory you put in, while the
Windows 64 bit versions do not have this limitation. 64 bit versions of
Windows 7 are now more mainstream so getting 4GB of memory is
worthwhile, though 2GB is still pretty good.
Once we've decided on the amount of memory we look for memory
performance. The two variables here are memory clock speeds and
latencies. You want higher clock speeds and lower latencies or wait times.
Latencies are often expressed as a class, and the lower the class number
the better the memory. However If you've got to pay significantly more for
higher clock speeds and lower latencies it's better not to. That saving is
better spent on a faster CPU chip or graphics solution where a larger
performance gain will be seen.
Dual channel 4GB memory in two sticks of 2GB each, of DDR3 1066 MHz class
7 memory or DDR3 1333 MHz class 9 memory is the current tech we like. The
price of memory has dropped considerably and you can get these 4GB two
stick memory kits for around $25.00.
Quick review of Memory technology
A shortfall in memory results in a significant drop in both PC capability and
performance. If your computer is slow the first place to check is not the
CPU, but the amount of memory!
Windows 32-bit operating systems can only handle approximately 3GB of
memory no matter how much physical memory you put in, while the
Windows 64 bit versions do not have this limitation. 64 bit versions of
Windows 7 are now more mainstream so getting 4GB of memory is
worthwhile, though 2GB is still pretty good.
Once we've decided on the amount of memory we look for memory
performance. The two variables here are memory clock speeds and
latencies. You want higher clock speeds and lower latencies or wait times.
Latencies are often expressed as a class, and the lower the class number
the better the memory. However If you've got to pay significantly more for
higher clock speeds and lower latencies it's better not to. That saving is
better spent on a faster CPU chip or graphics solution where a larger
performance gain will be seen.
Dual channel 4GB memory in two sticks of 2GB each, of DDR3 1066 MHz class
7 memory or DDR3 1333 MHz class 9 memory is the current tech we like. The
price of memory has dropped considerably and you can get these 4GB two
stick memory kits for around $25.00.
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