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THINKSTATION D20 XE/E5620 SYST 1TB 4X2GB W7P DVD 4155K3G SP

Unleash your potential.
Is your desktop holding you back? Graphically and computationally intensive applications demand ThinkStation workstations. We combine high-performance and 3-D graphics solutions, dual-CPU systems and productivity-enhancing details to give you a level of performance no standard desktop can deliver. With ThinkStation, there's no limit to what you can accomplish.

Professional strength.
Computing muscle. The latest Intel processors, including Intel Xeon CPUs with Turbo Boost Technology, aren’t just fast, they’re designed for intelligent performance and energy efficiency, automatically adjusting based on your usage needs. To amp up responsiveness, we've made room for as many as 12 DIMM slots on select workstations.

Cutting-edge graphics solutions. Select ThinkStation workstations integrate NVIDIA Quadro
professional graphics with SLI technology and the Tesla high-performance computing solution. The result? A powerful, versatile solution engineered to meet your high-performance graphics and computing demands.

ISV-certified. Lenovo works closely with leading software partners, and ThinkStation workstations
have hundreds of independent software vendor (ISV) certifications, ensuring that you have the performance you need to run the world's most demanding applications.

More to see. With support for up to a whopping eight monitors at once, ThinkStation C20 and C20x
help you analyze more, create more and earn more-faster.

Less waiting. Lenovo Enhanced Experience for Windows 7 PCs boast significantly faster boot-up
and shutdown times as well as hardware and software innovations to help you work more productively.

Clever design.
Our user-centric designs with thoughtful details help you work more productively and make life a little simpler.
Entertain everyone in your home!
- Ergonomic removable top handle, plus rear handle on E20, S20 and D20 for easy moving
- Recessed handle for easy rack mounting on C20 and C20x
- Front-access media ports with illuminated icons
- Recessed power button to help prevent accidental shutoffs
- Tool-less chassis for quick and easy upgrades
- Superior cable management
- Premium side-cover latch for easy access to internal components
- Rack-mountable
- Dramatically smaller C20 and C20x models for extra horsepower in the same area—up to 14 systems on a standard 42U rack

Rest assured.
When you invest in reliable, secure Think-branded products, you get peace of mind standard.

Safety first. ThinkVantage Client Security Solution is a unique hardware-software combination that
helps protect your vital information and prevent unauthorized access to data. You simply can’t get a higher level of security as a standard PC feature from any other manufacturer.

Worry-free management. ThinkVantage Productivity Center automates updates and maintenance
tasks, and places system tools and services no more than a press or a click away. ThinkVantage Rescue and Recovery helps you recover from system crashes with the push of a button, even if the primary operating system won't boot, and lets your IT team deploy critical updates and remote fixes quickly.

Virtually indestructible. Rigorous voltage, shock, vibration and drop tests ensure that your Lenovo
workstation is equipped with the rock-solid durability Think-branded products are renowned for.

Extreme green.
Taking care of the environment. Lenovo’s leadership in environmentally responsible business is reflected in our products. ThinkStation workstations not only help protect the planet, they help protect your bottom line. They meet many environmental and energy-conserving compliance requirements, including ENERGY STAR® and EPEAT. And they’re made from up to 65% recycled plastics, including more than 25% post-consumer content.

Exceptionally cool and quiet. An innovative thermal design and optimized fan placement maximize
cool air delivery throughout the system, reducing the risk of hardware failure and enabling ThinkStation models to operate at a 24-decibel idle noise level—nearly undetectable.

Windows 7
Lenovo offers a wide variety of systems preloaded with the newest Windows 7 operating system.

Windows 7 Lenovo Enhanced Experience PCs
Get the best computing experience available by selecting workstations featuring Windows 7 Lenovo Enhanced Experience certification. Enjoy faster startup and connection times plus more entertainment and security features than ever.

Red Hat® Enterprise Linux
Red Hat Enterprise Linux 5.2 64-bit is available on ThinkStation workstations.

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.