HP part 512064-L21 is an Intel Xeon L5520 quad-core processor for ProLiant DL320 G6 1U servers. This LGA1366 (Socket-B) CPU runs at 2.26 GHz with 8 MB L3 cache, 1 MB L2 cache per core, and 5.86 GT/s QPI bus connectivity. Built on 45 nm process technology, it delivers 80 W TDP, making it well-suited for density-constrained environments requiring moderate compute with low thermal and power budgets. Compatible with DL320 G6 and other generation-6 ProLiant single-socket systems. Typical applications include entry-level virtualization, web services, file and print servers, and general-purpose workloads where power efficiency is a priority.
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