AMD Processor-In-a-Box Want the ultimate PC processor? A specialized server? A customized workstation? Perhaps you want industry-leading performance. Or to be ready for the 64-bit future. But most of all, do you want to design it, build it, and put it together yourself? If you answered any of these questions "yes," you want an AMD Processor-In-a-Box (PIB) You live at the forefront of technology, and you won't settle for less from your favorite software. That's why AMD is proud to bring you the AMD Athlon 64 processor, with AMD64 technology for dramatically higher performance and built-in support for future 64-bit applications even 32- and 64-bit simultaneous computing . Maximize system efficiency and stay ahead of the curve with the technically superior PC processor, packed with advances such as HyperTransport technology, an integrated DDR memory controller, Cool'n'Quiet and Enhanced Virus Protection for Microsoft Windows XP SP2. Whether it is for business, school or play, with the AMD Athlon 64 processor, you can address your current and future computing needs. Industry-leading performance for today's software Built-in support for future 64-bit applications with AMD64 technology Guard your data with AMD Enhanced Virus Protection for Microsoft Windows XP SP2 HyperTransport technology and an integrated DDR memory controller for maximum performance and system efficiency Reduce power consumption and system noise with Cool'n'Quiet technology Featuring large on-die cache memory (1152KB or 640KB total effective cache) for enhanced performance on large memory workloads