Market segment DesktopFamily AMD Phenom II X4Model number ? 840CPU part numbers HDX840WFK42GM is an OEM/tray microprocessorHDX840WFGMBOX is a boxed microprocessor with fan and heatsinkStepping codes AADIC AD NADIC ADFrequency ? 3.2 GHz / 3200 MHzBus speed ? 667 MHz Memory controllerOne 2000 MHz 16-bit HyperTransport link (4 GT/s)Clock multiplier ? 16Package 938-pin organic micro-PGASocket Socket AM2+Socket AM3Weight 1.4oz / 39.2g (CPU)12.5oz / 353.6g (box)Fan/heatsink DK8-7G52C-A1-GP