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Black Lenovo ThinkPad T420 14-inch laptop closed on a plain surface

Lenovo

Lenovo ThinkPad T420 14.0" Core i7-2620M 2.70GHz 4GB 320GB laptop

SKU CH-CAPH-FQ66A

A 14.0" business laptop with a 2.70 GHz Core i7-2620M, 4 GB DDR3 RAM, 320 GB HDD, DVD±RW, webcam and Windows 7 Professional 64-bit

  • ColorBlack
  • Operating SystemWindows 7 Professional
  • CPU TypeIntel Core i7
  • Processor Name2.70GHz
  • Screen Size14.0"
  • TouchscreenNon-Touch Screen
  • Intel Core i7-2620M at 2.70 GHz powers demanding tasks
  • 4 GB DDR3 memory handles multitasking smoothly
  • 320 GB hard drive stores documents and media
  • 0 inch LED display shows 1366 x 768 resolution
  • Gigabit LAN plus 802.11 wireless keeps you connected

Lenovo ThinkPad T420 14.0" laptop

The Lenovo ThinkPad T420 is a 14.0" business laptop powered by an Intel Core i7-2620M processor running at 2.70GHz. It comes with 4GB of DDR3 memory and a 320GB hard drive. Windows 7 Professional 64-bit is pre-installed. The integrated graphics and non-touch 1366 x 768 LED display suit office applications and basic multitasking.

Build quality and daily connectivity

The black chassis includes a DVD±RW drive for optical media and a webcam for video calls. Gigabit LAN provides wired network access while 802.11a/b/g wireless covers Wi-Fi needs. Bluetooth 2.1 supports legacy peripherals. An Always-On USB 2.0 port allows charging devices while the system is off. The 6-cell lithium-ion battery powers the unit away from mains power.

Practical limits of the platform

The 4GB memory capacity and 320GB hard drive restrict modern multitasking and large local storage requirements. Windows 7 Professional 64-bit no longer receives security updates, limiting safe internet use. Integrated graphics cannot accelerate demanding 3D or video workloads. Bluetooth 2.1 and 802.11a/b/g wireless standards offer slower speeds and shorter range than current protocols.

Highlights

  • Intel Core i7-2620M at 2.70 GHz powers demanding tasks
  • 4 GB DDR3 memory handles multitasking smoothly
  • 320 GB hard drive stores documents and media
  • 0 inch LED display shows 1366 x 768 resolution
  • Gigabit LAN plus 802.11 wireless keeps you connected

Specifications

BrandLenovo
SeriesThinkPad
ModelT420
Part Number4236-l23
ColorBlack
Operating SystemWindows 7 Professional
CPU TypeIntel Core i7
Processor Name2.70GHz
Screen Size14.0"
TouchscreenNon-Touch Screen
Wide Screen SupportNo
Resolution1366 x 768
Display FeaturesLED backlight
Graphic TypeIntegrated Card
HDD320GB
Memory4GB
Optical Drive TypeDVD±R/RW
LAN10/100/1000Mbps
WLAN802.11a/b/g Wireless LAN
BluetoothBluetooth 2.1
USB4
Video Port1 x VGA, 1 x DisplayPort
Docking Connector1
Audio PortsYes
SpeakerIntegrated Stereo Speakers
TouchpadThinkPad UltraNav
Other Input DevicesYes
WebcamYes
TypeWorkstation
UsageBusiness
AC Adapter/Charger90-watt AC Adapter
Battery6-cell Lithium Ion
Weight4 - 4.9 lbs.
Package ContentLaptop, Windows Recovery Media, Battery, A/C Power Ada

Questions about this item

What LAN standard does the ThinkPad T420 use and what is its practical speed cap?

It uses 10/100/1000Mbps Gigabit Ethernet, capping wired throughput at 1000 megabits per second.

What physical drive bay does the 320GB hard drive occupy in this 14.0" chassis?

The 320GB Serial ATA drive fits the standard 2.5-inch internal bay.

How is the 4GB DDR3 memory installed and which step do people often miss?

Two SO-DIMM slots sit under the bottom cover; the common mistake is not seating both modules until the retention clips click.

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