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L3 Cache

1. Located on the motherboard instead of the processor, L3 Cache is found on the same chip and die as the processors. The picture of the Intel Core i7-3960X processor die is an example of a processor chip containing six cores (CPUs) and shared L3 Cache. As depicted, the L3 cache is shared between all cores (CPUs) and is very large in comparison to what an L1 or L2 cache would be on the same chip because it is less expensive, albeit slower.

Intel Core i7-3960X processor die with cache diagram

2. L3 or L3 communication is also a supplier of Intelligence, Surveillance, and Reconnaissance systems and products, secure communications systems and products, microwave components, and space and navigation products.

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Also see: Cache, L2 cache, Motherboard terms, CPU terms, Security terms