Re: Internal Hard Drive 32MB vs 64MB cache? SATA 3 vs SATA 2?
Cache memory is used to reduce the average time to get access on memory. It is used by central Processing Unit (CPU). The is very small and fast memory which is utilize to store data from main memory. This frequent data instead of going to RAM it goes to cache hard drive directly and it almost 1000 times faster than RAM. Cache memory is divided by three categories L1, L2 and L3. L1 is very small amount of DATA and very fast also, L2 is slightly larger than L1 and it is slightly slower also and L3 cache is largest and slowest also to perform. What you see is probably L3 Cache. Normally faster hard drive does not make too much difference in your type work and for your uses 32 MB will be good choice
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