N1M45AA - HP 2GB DDR3-1600MHz PC3-12800 non-ECC Unbuffered CL11 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module

Dual channel configuration-HP Desktops feature motherboards designed with two memory channels instead of a single channel. Reduce system latencies and significantly improve your system performance with dual channel memory configurations by utilizing the theoretical bandwidth of two memory modules instead of one. Expect fast start-up times with reduced delays during routine operations and system maintenance functions. Meet everyday workloads head on, and run more programs simultaneously. Easily toggle back and forth between several open applications with noticeable speed.