ADO3800IAA5CU - AMD ATHLON 64X2 AMD Athlon 64 X2 3800+ 2 x 512 KB Socket AM2 Dual-Core CPU General Features: AMD Athlon 64 X2 3800+ Dual-Core CPU 2000 MHz frequency 2000 HT speed 2 x 512 KB x2 L2 Cache Socket AM2 32/64-bit operating mode 1.20V/1.25V voltage Enhanced Virus Protection Cool 'n' Quiet technology HyperTransport technology