The OCZ 4GB (2x2GB) DDR2 SDRAM PC2-8500 Reaper Series Black DIMM OCZ2RPR10664GK is a high-performance memory module designed for computer enthusiasts. With a total capacity of 4GB split into two 2GB modules, this DDR2 RAM offers fast speeds of up to PC2-8500 (DDR2-1066). The black DIMM form factor and sleek design make it a stylish addition to any system, while the 240 pins ensure reliable compatibility with a wide range of motherboards. Manufactured by OCZ in China, this memory module is a solid choice for enhancing your computer's speed and performance.