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ENERGY STAR® computers more efficient than ever


A new specification for ENERGY STAR computers, which came into effect on 1 July 2009, means computers that carry the mark are more efficient than ever before.

Look for the ENERGY STAR mark on:

  • desktops, integrated desktops, and notebook computers
  • workstations
  • small-scale servers
  • thin clients.

To qualify for ENERGY STAR, computers must

  • Use and energy efficient power supply.
  • Operate efficiently in multiple modes of operation (Off, Sleep and Idle).
  • Include and enable power management features of the system and provide user education about these features.

Hints and tips

  • Turn off your computer or laptop at the wall at night, or when not in use.
  • Use the Power Management features on your computer to save energy when you're not using it. You can choose the amount of time after which your computer turns off the monitor, turns off hard disks and goes into standby or hibernation mode.

ENERGY STAR Products - Computers

Use the search function below to see which products are ENERGY STAR qualified, or download the full list of qualified computers.

Click on the column headings to sort the list.
Type Brand Model CPU Speed Memorysort icon Operating system(s)
Notebook/Tablet Lenovo ThinkPad R400 7443 2.80 GHz Windows Vista
Notebook/Tablet Lenovo ThinkPad W700/W700ds 2752 2.53 GHz
Windows XP
Windows Vista
Notebook/Tablet Acer KAWG0 E625 series 2.2 GHz Windows Vista
Notebook/Tablet Acer MS2271 Aspire 4810T series 1.4 GHz Windows Vista
Notebook/Tablet Acer KAV80 LT20 Series 1.66 GHz Windows XP
Notebook/Tablet Acer NAWF2 Aspire 5732 Series 2.2 GHz Windows 7
Notebook/Tablet Acer JALA0 Extensa 4230 Series 2.2 GHz n Windows Vista
Desktop Lenovo ThinkCentre M58/M58p Eco uSFF 3.16 GHz N/A
Windows XP
Windows Vista
Desktop Lenovo ThinkCentre M58e/A58 TOWER 3.33 GHz N/A
Windows XP
Windows Vista
Linux
Desktop Lenovo ThinkCentre M58e/A58 SFF 3.33 GHz N/A
Windows XP
Windows Vista
Notebook/Tablet Lenovo ThinkPad X200s 2046 2.13 GHz N/A
Windows XP
Windows Vista
Notebook/Tablet Lenovo ThinkPad X200s 2047 2.13 GHz N/A
Windows XP
Windows Vista
Windows 7
Notebook/Tablet Lenovo ThinkPad X200s 7462 2.13 GHz N/A
Windows XP
Windows Vista
Windows 7
Notebook/Tablet Lenovo ThinkPad X200s 7465 2.13 GHz N/A
Windows XP
Windows Vista
Windows 7
Notebook/Tablet Lenovo ThinkPad X200s 7466 2.13 GHz N/A
Windows XP
Windows Vista
Windows 7
Notebook/Tablet Lenovo ThinkPad X200s 7469 2.13 GHz N/A
Windows XP
Windows Vista
Windows 7
Notebook/Tablet Lenovo ThinkPad X200s 7470 2.13 GHz N/A
Windows XP
Windows Vista
Windows 7
Notebook/Tablet Lenovo ThinkPad X200 Tablet 2263 2.13 GHz N/A
Windows XP
Windows Vista
Windows 7
Notebook/Tablet Lenovo ThinkPad X200 Tablet 2266 2.13 GHz N/A
Windows XP
Windows Vista
Windows 7
Notebook/Tablet Lenovo ThinkPad X200 Tablet 4184 2.13 GHz N/A
Windows XP
Windows Vista
Windows 7