Type CPU / MicroprocessorMarket segment ServerFamily AMD Third Generation OpteronModel number 8356CPU part numbers OS8356WAL4BGH is an OEM/tray CPU OS8356WAL4BGHWOF is a boxed CPUFrequency 2300 MHzBus speed 2000 MHz (integrated memory controller) 1000 MHz (HyperTransport links)Package 1207-land lidded LGASocket Socket Fr2(1207)Microarchitecture K10Processor core BarcelonaData width 64 bitThe number of cores 4The number of threads 4Level 1 cache size 4 x 64 KBLevel 2 cache size 4 x 512 KB 8-way set associative cacheLevel 3 cache size 2 MBMultiprocessing Up to 8 processors