AMD Phenom II X2 550 BE
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| Specifications | |||
|---|---|---|---|
| Codename: | Callisto | Clock Speed: | 3100 MHz |
| FSB: | 200 MHz | Multiplier: | 15.5x |
| Package: | uPGA | Socket: | AM3  |
| Process Size: | 45nm | Voltage: | 1.25 V |
| Transistor count: | 758M | TDP: | 80 W |
| # of cores: | 2 | SMP # CPUs: | 1 |
| Cache L1: | 256 KB | Cache L2: | 1024 KB |
| Cache L3: | 6144 KB | Die size: | 258 mm² |
| Released: | June 2009 | Part #: | HDZ550WFK2DGI |
| Features: | MMX, 3DNow!, SSE, SSE2, SSE3, SSE4A, AMD64, NX bit, AMD Virtualization | ||
This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Black Edition label.