I have two 8-for a Lenovo Thinkpad Edge E330 bought, which was equipped with a 4-bolt, although Lenovo specifies the maximum RAM to 8GB. Since the board supports used in other notebooks up to 16GB, I tried and bingo. Through the dual channel mode the RAM in the Windows performance rating is at the top rowed and leads to the exchanged from HDD to SSD storage to the vote. Latches are working with me now a few months properly.