The VIPER XTREME 12GB DDR3-1600MHz PC3-12800 1.5V UDIMM PXD38G1600C10K is a high-performance memory module from Patriot designed for extreme computing needs. With a total capacity of 12GB split into two 4GB modules, this DDR3 SDRAM is ideal for boosting the speed and efficiency of your system. The UDIMM form factor ensures compatibility with a wide range of motherboards, and the PC3-12800 bus speed delivers fast data transfer rates for enhanced performance. Upgrade your computer with this reliable and powerful memory module for improved speed and productivity.