Lenovo ThinkPad T520 (English) User Guide - Page 39

Interface • External monitor connectors (CRT and DisplayPort) • Combo audio jack (stereo headphone or headset) • 3 or 4 Universal Serial Bus connectors (USB 3.0 supported on some models) • 1 Universal Serial Bus/eSATA connector (on some models) • 1 Always On USB connector (on some models) • IEEE 1394 connector • RJ11 Modem connector (on some models) • RJ45 Ethernet connector • Serial Ultrabay enhanced • 1 ExpressCard (34 mm) slot • 4-in-1 digital media card reader • Smart card reader (on some models) • Docking connector Optical drive • Multi-Burner Wireless features • Integrated wireless LAN • Integrated Bluetooth (on some models) • Integrated wireless WAN (on some models) • Integrated WiMAX (on some models) Security features • Fingerprint reader (on some models) Specifications This section lists the physical specifications for your computer. Size • Width: 372.8 mm (14.68 inch) • Depth: 245.1 mm (9.65 inch) • Height: 31.8 to 35.6 mm (1.25 inch to 1.40 inch) 34.1 to 39.6 mm (1.34 inch to 1.56 inch) for multitouch panel models Heat output • 65 W (222 Btu/hr) maximum, 90 W (307 Btu/hr) maximum, 135 W (460 Btu/hr) maximum, or 170 W (580 Btu/hr) maximum (depending on the model) Power source (ac power adapter) • Sine-wave input at 50 to 60 Hz Chapter 1. Product Overview 21