Lenovo ThinkPad R400 (7438) - full specs, details and review
HL 8X DVD RW DVD CD D9 RAM DL Multi Burner Writer Tray Slim SATA Internal Drive GT30N GSA-T30N for Lenovo Thinkpad R400 R500 CD / DVD Drives - Newegg.com
LENOVO THINKPAD R400 Sous Windows 10 - Ram 4 Go - N°040101 - GRADE B
Lenovo ThinkPad R400 (7438) - full specs, details and review
OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad R400 (7447-xxx) (DDR3-8500) Laptop Memory at Amazon.com