Intel Xeon E5520 quad-core processor (part 490459-B21) for HP ProLiant DL160 G6 servers. Socket LGA1366 (Socket B) form factor operating at 2.26 GHz with 5.86 GT/s QPI interconnect. Features 4 cores with 1 MB L2 cache per core and 8 MB shared L3 cache. 45nm manufacturing process with 80W TDP. Designed for single-socket configurations in 1U rack-mount servers requiring balanced compute performance for virtualization, database, and general enterprise workloads. Compatible with DL160 G6 and related Xeon 5500-series platforms. Tested and guaranteed; available via quote.