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Lenovo Thinkpad T420: Another excellent, inexpensive Linux laptop | Open-Source Routing and Network Simulation
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Amazon.com: Lenovo Thinkpad T420 Laptop - Intel i5 2520m 2.5GHz, 4GB DDR3,120GB SSD, Windows 7 Professional 64-Bit, WiFi (Prepared by ReCircuit)
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Refurbished: Lenovo Laptop ThinkPad Intel Core i7 2nd Gen 2620M (2.70GHz) 8GB Memory 500GB HDD Intel HD Graphics 3000 14.0" Windows 10 Pro T420 - Newegg.com
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Lenovo ThinkPad T420 Review: Lenovo ThinkPad T420 review: A 14in business laptop with 2nd Gen Intel Core technology and great features - Notebooks - All Purpose - PC World Australia
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Amazon.com: Lenovo ThinkPad T420 14" 1366x768 Laptop PC, Intel Core i5-2520M 2.5GHz, 4GB DDR3 RAM, 320GB HDD, Win-7 Pro x64 : Electronics
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Amazon.com: Lenovo Thinkpad T420 - Intel Core i5 2520M 8GB 320GB Windows 10 Professional (Renewed) : Electronics
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