Used t570. boots to bios and passes Lenovo diagnostic test. Not tested further. 4k screen, 16 gb ddr4 ram. I7 7600u. Windows 10 license (not installed). Nvidia 940mx. 256gb nvme. Dual battery with the larger second battery (61++). LTE card installed. Charger included. Boots to bios and holds charge while running Lenovo self diagnostic. Not tested or guaranteed past that.