Intel Pentium 4 processor 2.66 GHz speed w/Fan

Intel 2.66 GHz Pentium 4 processor speed, 400 MHz system bus for a powerful CPU-to-memory connection,512 KB integrated advanced transfer Level 2 (L2) cache

Intel 2.66 GHz Pentium 4 processor speed 400 MHz system bus for a powerful CPU-to-memory connection 8 KB data and 12 KB execution trace Level 1 (L1) cache 512 KB integrated advanced transfer Level 2 (L2) cache Intel NetBurst microarchitecture delivers maximum performance in sophisticated video, graphics and multimedia applications Internet Streaming SIMD Extensions 2 (SSE2) streamline instructions for accelerated applications, image processing and encryption Advanced dynamic execution with improved branch prediction for enhanced performance 128-bit Floating Point port provides lifelike 3D and gaming visuals Intel MMX media enhancement technology Built-in Self Test (BIST)