User Guide

Features and specifications
Dimensions
ThinkPad T490s
• Width: 225.8 mm to 226.45 mm (8.89 inches to 8.91 inches)
• Depth: 328.8 mm to 329.15 mm (12.94 inches to 12.95 inches)
• Thickness: 16.95 mm to 18.05 mm (0.67 inches to 0.71 inches)
ThinkPad X390
• Width: 217.2 mm (8.55 inches)
• Depth: 312 mm (12.28 inches)
• Thickness: 17.4 mm to 17.8 mm (0.68 inches to 0.70 inches)
Maximum heat output
(depending on the model)
• 45 W (154 Btu/hr)
• 65 W (222 Btu/hr)
Power source (ac power
adapter)
• Sine-wave input at 50 Hz to 60 Hz
• Input rating of the ac power adapter: 100 V to 240 V ac, 50 Hz to 60 Hz
Microprocessor
To view the microprocessor information of your computer, right-click the Start
button and then click System.
Memory
Double data rate 4 (DDR4) synchronous dynamic random-access memory module
(SDRAM), soldered on the system board
Storage device
• M.2 solid-state drive*
• Hybrid solid-state drive* (with Intel
®
Optane
™
memory)
Display
• Brightness control
• Color display with Thin Film Transistor (TFT) technology
• Color display with In-Plane Switching (IPS) technology (for ThinkPad T490s)
• Color display with In-Plane Switching (IPS) technology or Twisted Nematic (TN)
technology (for ThinkPad X390)
• Display size:
– 355.6 mm (14 inches) (for ThinkPad T490s)
– 337.82 mm (13.3 inches) (for ThinkPad X390)
• Display resolution:
– ThinkPad T490s: 1920 x 1080 pixels or 2560 x 1440 pixels
– ThinkPad X390: 1280 x 720 pixels or 1920 x 1080 pixels
• Multi-touch technology*
• Privacy Guard feature*
Keyboard
• Function keys
• Six-row keyboard or six-row keyboard with backlight
• Trackpad
• TrackPoint pointing device
Chapter 1. Meet your computer 9