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T420 CPU upgrade to i7 2860QM quad core. Paste is Thermal Grizzly Kryonaut. More info about upgrade and passive cooling upgrade in comments. : r/ thinkpad
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Lenovo ThinkPad T420 Business Laptop, Intel Core i7-2nd Gen. CPU, 8GB RAM, 256GB SSD, 14 Display, Windows 10 Pro, Refurbished Laptop
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2012 14″ Lenovo ThinkPad T420 [2nd,2C,M] + GTX 970 @ 4Gbps-EC2 (EXP GDC 8.x) + Win10 [MerahPutih] | External GPU Builds
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Lenovo ThinkPad T420 Business Laptop, Intel Core i7-2nd Gen. CPU, 8GB RAM, 256GB SSD, 14 Display, Windows 10 Pro, Refurbished Laptop
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My labour of love. Upgraded T420 with FHD screen + i7-3740QM CPU + AC 7260HMW WiFi/Bluetooth + 500 GB SSD + more : r/thinkpad
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