04W1800 IBM 128GB MLC SATA 6Gbps 2.5-inch Internal Solid State Drive (SSD) for ThinkPad X121e
Lenovo THINKPAD X121e - 240 GB SSD SATA Hard Drive | eBay
16GB KIT (2 x 8GB) for IBM Lenovo ThinkPad X Series X121e X220 Tablet X220i Tablet. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
Upgrade Options for Lenovo ThinkPad X121e Laptop - Drive Solutions