The AMD Athlon 64 processor is the most advanced PC processor for mobile computing, providing outstanding performance for demanding software applications. The AMD Athlon 64 processor was also designed to enhance mobility, incorporating AMD PowerNow! technology to deliver performance on demand while helping to extend system battery life. The AMD Athlon 64 processor runs on AMD64 technology, and is the first PC processor to run 32-bit applications at full speed while enabling a new generation of powerful 64-bit software applications. This 2.2GHz Athlon 64 3400+ processor features a 128KB L1 cache, a 1MB L2 cache, HyperTransport Technology and an integrated DDR memory controller that supports up to 3GB PC3200, PC2700, PC2100 and PC1600 DDR unbuffered memory. Minimize