Type CPU / Microprocessor Market segment Desktop Family Intel Core i7 Extreme Edition Model number i7-965 CPU part numbers AT80601000918AA is an OEM/tray CPU BX80601965 is a boxed CPU Spec Code SLBCJ Frequency 3200 MHz Turbo frequency 3467 MHz (1 core) 3333 MHz (2 cores or more) Bus speed 6.4 GT/s QPI (3200 MHz) Package 1366-land Flip-Chip Land Grid Array (FC-LGA8) Socket Socket 1366 / B / LGA1366 Microarchitecture Nehalem (Nehalem) Platform X58 Processor core Bloomfield Data width 64 bit The number of cores 4 The number of threads 8 Level 1 cache size 4 x 32 KB Level 2 cache size 4 x 256 KB Level 3 cache size 8 MB