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Lenovo ThinkStation D20

Lenovo ThinkStation D20
alaAverage 3

4 reviews

Oct, 2017

alaTest has collected and analyzed 4 reviews of Lenovo ThinkStation D20. The average rating for this product is 3.5/5, compared to an average rating of 4.2/5 for other Desktops for all reviews. Reviews are divided on the price, but the size and design get negative opinions.

reliability, usability, design, size

On average, users rate this product 40/100 and experts rate this product 80/100.

Review analysis

(Based on 4 reviews)

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User Reviews  

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Expert review by: Joel Santo Domingo (

Lenovo ThinkStation D20


The Lenovo ThinkStation D20 workstation is a heavy-hitting weapon in your business arsenal.

Two quad-core processors. Speedy 15,000 rpm hard drive. Lots of expansion room. Workstation-class everything. Has eSATA and FireWire.

It's big. It's pricey. Could use USB 3.0.

More desktop reviews: • Acer Aspire Z3 (AZ3-715-UR15)• Origin Neuron• Dell OptiPlex 7450 All-in-One• Microsoft Surface Studio• Corsair One Pro• more

Mar, 2012

Expert review by: Consumer Electronics Net (

Expert Review


Lenovo's D20 is the company's top of the line ThinkStation workstation. This particular model shipped with dual Intel E5540 2.53GHz Xeon processors (four processor cores), 12GB RAM, and Windows 7 Professional. Graphics was powered by an  NVIDIA Quadro...

Dec, 2009

Product Specifications

From Lenovo's exceptional engineers comes the next generation of ThinkStation, designed exclusively for specialized professionals using graphically and computationally intensive applications. Its groundbreaking design ramps up parallel workflows, enabling professional users to quickly bring their ideas to life. Equipped with the latest technology from Intel, the ThinkStation delivers performance that is simply unattainable with a standard desktop PC. The ThinkStation D20's powerful and efficient Intel Xeon processors speed through even the toughest workloads. Sporting up to eight powerful processing cores, the ThinkStation comes fully equipped with an on-chip memory controller and Intel QuickPath interconnect, allowing you to innovate faster than ever before. The Lenovo ThinkStation has an environmentally conscious, usercentric design that ultimately results in increased productivity. In addition, the performance and quality-focused Lenovo ThinkStation supports ThinkVantage technologies such as Rescue and Recovery and client security solution, providing users with superior data security.


Maximum graphics adapter memory:0.256 / 0.5 / 0.768 / 0.796 / 1.024 / 1.5 / 1.536


Conflict Free processor: No
ECC supported by processor: Yes
Maximum internal memory supported by processor:144 / 288
Memory bandwidth supported by processor (max):19.2 / 25.6 / 32
Memory channels supported by processor:3 / Triple
Memory clock speeds supported by processor:800 / 800,1066 / 800,1066,1333
Memory types supported by processor:DDR3 800/1066 / DDR3 800/1066/1333 / DDR3-SDRAM
Processor cache level:L2 / L3
Processor cache type:L3 / Smart Cache, L3 / SmartCache, L3
Processor codename:Nehalem EP / Westmere EP
Processor Series:Intel Xeon 5500 series / Intel Xeon 5600 series
Processor system type:DP
Thermal Design Power (TDP):130 / 80 / 95

Processor special features

Intel 64: Yes
Intel Clear Video Technology: No
Intel Virtualization Technology (VT-x):1 / Y / Yes
Intel Virtualization Technology for Directed I/O (VT-d): Yes
Physical Address Extension (PAE):40
Processor ARK ID:37092 / 37096 / 37100 / 37103 / 37104 / 37106 / 37109 / 37111 / 40200 / 40711 / 47916 / 47919 / 47920 / 47921 / 47922 / 47923 / 47924 / 47925 / 47929 / 48768 / 52576 / 52578 / 52579 / 52580 / 52581 / 52582 / 52583 / 52584 / E5520 / E5540 / E5620
Processor package size:42.5