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M Series
M Series

A smarter way to do enterprise PCs.
Premium performers. Efficient cost-cutters. Convenient space-savers. Whatever your need, we have the professional-strength desktops to meet it. All designed to simplify management, step up security, and boost uptime in mid-sized to large organizations.
Easy PC management.
Easy PC management
One size doesn't fit all.
One size doesn't fit all
Do business in the green.
Protect your most valuable asset
Our greenest ThinkCentre ever.
Our greenest ThinkCentres ever
Tackle demanding workloads with ease.
M Series desktops with AMD processors or up to 2nd generation Intel® Core™ i series processors, and DDR3 memory deliver responsive performance at breakneck speeds—making quick work of the most intensive applications.†2nd gen Intel® Core™ i series available on the M91/M91p, M81, and M71e. If you need to power through advanced video editing and 2D and 3D image design, M Series can oblige.

All of our new M Series models are equipped with Lenovo Enhanced Experience 2.0 for Windows® 7 with RapidBoot technology for startup and shutdown times you have to see to believe — on average about 20 seconds faster boot!†Faster than a typical Windows 7 computer. Available with M91/M91p, M81, and M71e. Plus, the optional Lenovo-developed RapidDrive SSD technology further optimizes systems for business with dramatically improved application performance.†RapidDrive optional with M91/M91p, M81, and M71e. Plus, for the M71e, boot time is just 15 seconds! And if that's not enough, use the SuperSpeed USB 3.0 port (optional) for 10x faster data transfer and 50% more power for connected devices.†Optional USB 3.0 available on the M71e via an additional card.


Productivity squared.
Talk about multitasking! View up to four screens simultaneously with independent display support.†Requires optional discrete graphics card. M81 and M71e available with discrete AMD Radeon™ graphics. The expanded work area and easier navigation between applications helps reduce errors and improve productivity.
Productivity squared.
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easy-pc-management
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Easy PC management.
Take advantage of a host of PC-management tools and features that help save time, cut costs, and increase user productivity by letting IT personnel:


Promise of platform stability.
Select M Series desktops offer image stability for long-term deployments to help reduce transition, qualification and testing costs. These models are produced for at least 12 months after general availability with no planned hardware changes that affect the preloaded software image.†Up to 15-month platform stability available on several models, including M91/M91p, M90/M90p, M81, M80, and M75e. Plus, select models like the M81 include Intel® Stable Image Platform Program (SIPP), which ensures zero changes to key platform components and drivers for at least 15 months.
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One size doesn't fit all.
  • Standard / mini-tower provides the most robust performance, expandability and features.
  • Small form factor (SFF) saves space in smaller work areas.
  • Eco ultra-small form factor (USFF) is small enough to fit in your hand for the ultimate in compact computing.


Better design is built in.
Enjoy a more comfortable user experience with thoughtful ergonomic design and easy-to-use features, including a convenient top power button and handle, tilted front panel for easy plug-and-play device access, and cat-foot cushioning for less vibration.†Features vary by model.
 One size does not fit all.
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Accessorize your ThinkCentre M Series
Protect your most valuable asset:
your data.
Lock down your critical business information. M Series desktops include some of the best security tools available in the industry. Tools that let you centrally manage hardware passwords, alert users if their chassis have been opened without authorization, disable USB and SATA ports, help locate lost or stolen PCs, and much more.†Tools vary by model; SATA port disablement available on the M81 only. Kensington locks are available on select models as well.†Available on the M91/M91p, M81, and M71e.


Accessorize your ThinkCentre M Series.
  • Work in comfort. The Lenovo Extend Arm mounts to your desk and lets you easily adjust your PC’s monitor. Extend, raise, tilt and pivot for the most comfortable viewing position (57Y4352).
  • Picture this. The wide Lenovo ThinkVision Lenovo L2021 Monitor (4449-HB1) - 20-inch wide display supporting 1600 x 900 resolution with VGA Analog and DVI digital inputs and suppports ThinkVision Soundbar (45K1263).
  • Get connected. Easily connect a VGA analog monitor to a DisplayPort source device with our DisplayPort-to-VGA monitor cable. Offers 1920 x 1200 WUXGA maximum resolution. No software required (57Y4393).
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Save energy and the associated costs with our greenest ThinkCentres ever.
Our M Series desktops are designated with some of the industry's highest environmental certifications, including ENERGY STAR, EPEAT® Gold, EU Power Consumption, and GREENGUARD®.†Certifications vary by model. Plus ThinkCentre desktops are made with up to 42% post-consumer content (PCC) with minimal use of plastic.†Percentage of post-consumer content varies by model. The M91/M91p tower, along with the optional Fingerprint Keyboard, is made from 42.10% PCC, which translates to about 27 plastic bottles. An average soda bottle is about 20.5g and the M91/91p tower comprises approximately 551.5g recycled plastic bottles. M91/M91p SFF uses 39.63% PCC and eco USFF uses 36.45%. Calculation based on EPEAT® standard as reference. Additionally, with smart technology like ThinkVantage® Power Manager software, you can control your PC fleet's electricity usage.


More recycling, fewer chemicals.


No-compromise SFF green machines.
The easy-to-manage, expandable design of our SFFs will help you extend your PCs' lifecycle, lower IT costs, and save money. And small definitely doesn't mean skimpy — our clever engineers fit plenty of ports and slots to help you stay productive today and tomorrow.
 Our greenest ThinkCentre ever.
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Windows® 7
Windows® 7
Lenovo offers a wide variety of systems preloaded with the newest Windows 7 operating system.
Lenovo Enhanced Experience 2.0 for Window® 7 with RapidBoot technology
 Start your PC on average 20 seconds faster than a typical Windows 7 computer, and benefit from superior web conferencing and robust security features.
ThinkPlus services
Here when you need us—
Lenovo's award-winning support is always a click or call away. For even faster, customized support, step up to optional ThinkPlus services.
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