Ultimate T420 build incoming for my field laptop!! I have 3 chassis, one with the 1600x900p screen! i7 on hand and NVS 4200 board+cooler inbound! 16GB + 2x 1TB SSD in Raid0
Lenovo ThinkPad T420 14.0 Laptop, Intel Core I7-2620M up to 3.4Ghz, 8G DDR3, 240G SSD, DVDRW, DP, W10P64-Multi Languages Support (EN/ES/FR), 1 year warranty Used Grade A - Walmart.com
Amazon.com: ThinkPad T420s 4174PPU 14" LED Notebook - Core i7 i7-2640M 2.8GHz - Black
Lenovo Thinkpad T420 14" Intel i7-2620M 8GB RAM 1TB HDD Windows 10 Pro Laptop | eBay
lenovo thinkpad T420 laptop Intel I5 14.1" Windows 7 COA spares repairs LCD key | eBay
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
Amazon.com: Lenovo ThinkPad T420 14" LED Notebook Intel Dual Core i7-2640M 2.80GHz 8 GB DDR3 RAM 1 TB HD DVD-RW WiFi Bluetooth Webcam Windows 7 Professional 64-bit