Lenovo ThinkPad W540 (English) User Guide - Page 28
Memory, Storage device, Display, Keyboard, Interface, Optical drive
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Memory • Double data rate 3 low voltage synchronous dynamic random access memory modules (DDR3 LV SDRAM) Storage device • 2.5-inch form factor, 7-mm or 9.5-mm height hard disk drive • 2.5-inch form factor, 7-mm height solid-state drive • M.2 solid-state drive for caching only (on some models) Display The color display uses the Thin Film Transistor (TFT) technology. • Display size: 396 mm or 393 mm (15.6 inches or 15.5 inches) • Display resolution: 2880-by-1620 or 1920-by-1080 or 1366-by-768 (depending on the model) • Brightness control • Camera (on some models) • Microphones Keyboard • 6-row keyboard or 6-row backlight keyboard (depending on the model) • ThinkPad pointing device • Function keys • Numeric keypad Interface • 4-in-1 media card slot • ac power connector • Audio connector • Color sensor • Docking station connector • Ethernet connector • ExpressCard slot (on some models) • Mini DisplayPort connector or Thunderbolt connector (depending on the model) • One Always-on USB 2.0 connector • One USB 2.0 connector • Serial Ultrabay Enhanced bay • Smart card slot (on some models) • Two USB 3.0 connectors • VGA connector Optical drive • MultiBurner drive or DVD-ROM drive (on some models) 12 User Guide