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SQL Server Memory & Storage Technology

SQL Server- Understanding Server Storage Technology Explained

First we need to understand the different types of memory below

a.Static random access memory (SRAM) comprising L1 and L2 caches for each physical core of a processor,larger but slower shared L3 cache for the entire processor.

b. Dynamic random access memory (DRAM) which also our RAM we install/upgrade in servers.

Both SRAM and DRAM are volatile and hold data only when electrical power is on.

c. SATA/SAS SSD hard drive(NAND)

d. Magnetic spinning media hard disk drives.

Each of Storage/memory above cost lower per MB or GB with higher total capacity as you go from a to d above.

Now New NVM … Read the rest