Electronics Arch Memory 2 GB 204-Pin DDR3 So-dimm RAM for Dell Precision Mobile Workstation M6400 Core 2 Duo 2.26 GHz avenueeventgroup.com
Laptop, Dell Precision M6400, Core 2 Duo T9550 2.66Ghz Processor, 4Gb Ram, No Hdd, Dvd-Rw, Vista Business Licence Sticker, With Charger, Appears To Function [91190+39]
4GB Compatible Memory Upgrade for Dell Precision Mobile Workstation M4500, M6400, M6500 DDR3 PC3-10600 RAM (PARTS-QUICK BRAND) - Walmart.com