( 2 10600s & 2 8500s) This lot includes 4 original Samsung RAM sticks, each with a total capacity of 8GB. The set contains 2 DDR3 SODIMM modules with a capacity of 2GB each. The brand is Samsung and the model is SODIMM - LAPTOP RAM. The RAM sticks have 204 pins and a bus speed of PC3-8500S. They were manufactured in China and are in excellent working condition. These RAM sticks are perfect for upgrading your laptop's memory and improving its performance.