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The Lenovo IdeaPad U400 features Intel GMA HD graphics or AMD Radeon HD discrete graphics, SRS Premium Surround Sound, an integrated DVD slot, USB 3.0, HDMI output, a 1.3-megapixel webcam, and BIOS-embedded anti-theft protection.


  • Status: Available
  • Availability date: 2011


  • Laptop type: Ultraportable
  • Width: 13.39 inches
  • Depth: 9.06 inches
  • Thickness: 0.89 inches
  • Weight: 4.36 pounds
  • Color: Silver


  • Operating system: Windows 7


  • Screen size (diagonal): 14 inches
  • Technology: LCD
  • Resolution (X): 1366 px
  • Resolution (Y): 768 px

Display (base)

  • Type: Chiclet


  • Type(s): Trackpad


  • CPU brand: Intel
  • Model: Core i3-2330M
  • Cores: 2
  • Clockspeed: 2.2 GHz

Processor (base)

  • Brand: Intel
  • Model: Core i7-2620M
  • Cores: 2
  • Clockspeed: 2.7 GHz
  • Turbo clockspeed: 3.4 GHz

Processor (max)

  • Integrated GPU brand: Intel
  • Integrated GPU model: HD Graphics 3000

GPU (base)

  • Integrated GPU brand: AMD
  • Integrated GPU model: Radeon HD6470M
  • Dedicated VRAM size: 1 GB

GPU (max)

  • Base RAM size: 8 MB
  • RAM type: DDR3


  • Options: HDD (Unspecified RPM), Flash Memory (SSD)
  • Max. config HDD: 1 TB
  • Max. config SSD: 64 GB


  • Optical drive type: Slot-loading
  • Compatible media: DVD Super Multi

Optical Drive

  • Speakers: 2
  • Surround sound: Yes
  • Audio brand: SRS Premium Surround Sound


  • Effective pixels: 1.3 megapixels
  • Video resolution: 720p


  • USB: 2
  • USB 3.0: 1
  • Ethernet: 1
  • Ethernet type: 10/100/1000 (Gigabit)
  • HDMI: 1
  • 3.5mm headphone: 1
  • 3.5mm line-in / microphone: 1

Port options

  • Wi-Fi: Yes
  • Wi-Fi options: 802.11n, 802.11g, 802.11b
  • Bluetooth: Yes
  • Wireless video: WiDi


  • Quoted time: 7 hr


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