ADA4000DAA5BN AMD Athlon 64 4000+ Processor ADA4000DAA5BN AMD Athlon 64 4000+ 1 MB Socket 939 CPU General Features: AMD Athlon 64 4000+ CPU 90 nm silicon on insulator (SOI) Socket 939 2400 MHz frequency 2000 HT speed 128 KB L1 cache 1 MB L2 cache Voltage: 1.35V/1.40V Max temp: 49-71 C HyperTransport technology Integrated dual-channel DDR memory controller MMX Technology 3DNow! SSE/SSE2/SSE3 AMD 64 technology