| sSpec# | CPU Speed | Processor # | Cores | Bus Speed | Mfg Tech | Stepping | Cache Size | Package | PCG/FMB | Processor Family |
| SLB5W | 2.50 GHz | Q8300 | 4 | 1333 MHz | 45 nm | R0 | 4 MB | LGA775 | 05A | Intel® Core™2 Quad Processor |
| SLGUR | 2.50 GHz | Q8300 | 4 | 1333 MHz | 45 nm | R0 | 4 MB | LGA775 | 05A | Intel® Core™2 Quad Processor |