None. If you currently have two memory cards of 8GB each, that takes up two of the four memory slots in the W So yes, you can buy two more 8GB. Two PCI Express Mini Card slots. ThinkPad W doesn't have soldered RAM configurations. Maximum Memory, 32GB. Wireless WAN upgradable. Make & Model, Lenovo ThinkPad W Series. lenovo w specs. Bluetooth Busque en el manual memoria, RAM máxima admitida, módulo de memoria o soldado. It can only support a max of 8GB per slot. Lenovo ThinkPad W Series Memory Upgrades ✓ Guaranteed Compatible. 11a/b/g/n, PCIe Half Mini Card, Intel Centrino Advanced-N , 2x2. La guía del usuario se puede encontrar buscando el nombre del producto en https. Actualizaciones de memoria Crucial y SSD - Compatibilidad % garantizada para Lenovo ThinkPad W (Quad Core). None. Total Memory Slots, 4. Rather it has four SODIMM slots. CMS 32GB (4X8GB) DDR3 MHz no ECC SODIMM Memoria RAM Actualización Compatible con Lenovo® Thinkpad W Series Notebook - A6 ; US$ ; Entrega GRATIS. .