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Operating System

Microsoft Windows 7 Professional 64bit


Intel® Core™ i7-2760QM 2.4GHz Processor (6M Cache)

Installed Memory 16 GB DDR3
Maximum Memory 32GB DDR3

Hard Disk

256 GB  SSD Hard Drive

Graphics Card

NVIDIA® Quadro 1000M Graphics with 2GB dedicated memory

Display Size

15.6” Wide Screen, Anti Glare



Optical Device

DVD Burner


Intel High Definition Audio


Integrated 10/100/1000 Gigabit Ethernet


802.11AGN, BlueTooth

Installed Options

Multi-Card Reader, Web Camera

Expansion Options

Headphone, RJ-11, RJ-45, 2 USB, Microphone, Display Port, VGA Port, Expansion Bus Port For Docking Station

AC Power

Worldwide AC Adapter/Charger


Li-Ion, Battery is Guaranteed to Hold a Charge. We Do Not Guarantee the Length of Charge.



Item specifics

Used: An item that has been used previously. The item may have some signs of wear. See the seller’s ... Read more
Brand: Lenovo
Warranty: Seller Warranty MPN: 4284A53
SSD Capacity: 256 GB Operating System: Windows 7 Professional
Family Line: ThinkPad Processor: Core i7 2nd Generation
Type: Notebook Memory: 16 GB
Warranty Details: 30 Days Seller Hard Drive Capacity: 256 GB SSD
UPC: 825633356788

30 Days Parts & Labor






Review Lenovo ThinkPad W520 Notebook

Tobias Winkler (translated by Daniel Rechitsky), 05/20/2011

Takin' Care of Business. Lenovo ThinkPads of the W series are pure-bred professional laptops that have earned a reputation for powerful performance, above all in the area of graphics and computation-intensive office tasks. The ThinkPad W520 is the most recent 15.6" model in the series and is said to reconcile tradition with technological progress, but is the ThinkPad W520 all it's cracked up to be?


The market for high-priced business notebooks is split between 4 manufacturers: Lenovo, Fujitsu, HP and Dell. While 17" models offer the best performance and the most lavish set of features, 15" laptops forge a good balance of performance and mobility. Placing the spotlight on this quality, Lenovo aptly advertises the ThinkPad W520 with the slogan "workhorse power, pony size". We've taken it upon ourselves to thoroughly investigate to what extent this slogan applies—among many other aspects of the laptop—in our in-depth review.

We can't exactly complain about the lack of variety of configurations available. As usual, Lenovo lays out its extensive arsenal in front of the potential buyer, almost overwhelming him from the get-go. We've so far found 23 different variations of this model among various retailers. Fujitsu only offers—comparatively few—only 5 different configurations of the Celsius H710. HP and Dell can only be represented by their older models at this point, but the upcoming new Dell Precision M4600 and M6600 (May 10) as well as the HP Elitebook 8560w and 8760w (mid June) are ready and waiting to be released onto the market.

The price range for the ThinkPad W520 starts at around 1500 Euro (i5-2520M, Quadro 1000M, HD+ display) and goes as high as 4000 Euro (i7-2920XM, Quadro 2000M, FHD, 8GB RAM, 160 GB SSD). Quad-core CPUs, SSDs, Nvidia Quadro graphics cards and full-HD screens are all available in various combinations. In terms of price, the Fujitsu Celsius H710—starting at 1470 Euro—should not be overlooked since it comes with a full-HD and other features that go beyond those of Lenovo's starting configuration. At the other end of the spectrum, the most expensive configuration of the Celsius H710 reaches an exorbitant 6000 euro, considering that despite the generous 16 GB RAM (2x 8GB) and a 512 GB SSD, you still only get a Quadro 1000M GPU and Core i7-2820QM CPU.

The W520 model we reviewed came with a Intel Core i7-2820QM, Nvidia Quadro 2000M, full-HD screen and 8 GB RAM. Depending on the retailer, this configuration is currently priced between 2200 and 2500 Euro.


The case of the ThinkPad W520 is most similar to the T520.  The craftsmanship is top-notch, the case materials used here are typical for a ThinkPad.  The ThinkVantage bar above the keyboard didn't quite give the impression of high quality, however.  This strip of special function keys creaks and caves in when moderate pressure is applied.  The right side of the palm rest doesn't bend in too easily under pressure but it can only be pressed in about a millimeter until it bumps up against a solid surface.  Grabbing the display with both hands at its two top corners, the display lid can be twisted a bit back and forth but to much less of an extent than is typical with notebook displays.  The display lid hinges hold the screen well in place and we only observed it bobbing back and forth slightly when the surface below the laptop was shaking rather violently.  An in-depth analysis of the case—which applies to the ThinkPad W520—can be found in the review of the ThinkPad T520.



Just like with the case, the variety of ports in place here is quite similar to the ThinkPad T520.  Upon closer inspection, however, you might notice the blue color of the USB ports on the left side.  Here, USB 2.0 ports have been replaced by USB 3.0.  When combined with the eSATA, DisplayPort, VGA, Gigabit Ethernet, Firewire, Modem, CardReader and ExpressCard/34, there's not much left to be desired.  The one small inconvenience is the combination headphone and microphone jack that might be a deal-breaker for headset users.

So, the ports available just about cover the entire spectrum of what you'd want in a notebook.  Depending on your particular needs, this means you can choose the configuration that's perfect for you.  USB 2.0 transfers data at a relatively slow 28 MB/s—it's meant mostly for peripheral devices likes printers, digital cameras, mice and so forth.  The Firewire 400 port is a good option for connecting video cameras and in some cases external hard dries, but it's slowly going out of style.  The transfer speed for Firewire 400 is a bit higher than USB 2.0 at 35 MB/s.  eSATA and USB 3.0 are better suited for more demanding devices like external HDDs and SSDs.  The transfer rates achieved via eSATA can reach as high as 111 MB/s (eSATA) and 126 MB/s (USB 3.0).  The ExpressCard slot provides for the possibility of hooking up yet more external devices (e.g. Firewire 800) or attaching a docking station.

The DVD drive plays your usual DVDs and CDs, but Blu-Ray is unavailable in any configuration.  The only option seems to be to personally remove the built-in disc drive and insert a Blu-Ray drive into the Ultrabay.  The DVD tray eject button is very sensitive, just accidentally sliding your finger across the eject button is enough for the tray to pop out.

Front: Double-Hooked Display Latch
Front: Double-Hooked Display Latch
Left: DisplayPort, VGA, 2x USB 3.0, eSata/ USB 2.0, FireWire, Wifi On/Off Switch
Left: DisplayPort, VGA, 2x USB 3.0, eSata/ USB 2.0, FireWire, Wifi On/Off Switch
Rear: Charged USB 2.0, Modem Port, Battery, Power Connector
Rear: Charged USB 2.0, Modem Port, Battery, Power Connector
Right: ExpressCard/34, Card Reader, Combination Headphone/Mic Jack, DVD Drive, Ethernet, Kensington Lock Slot
Right: ExpressCard/34, Card Reader, Combination Headphone/Mic Jack, DVD Drive, Ethernet, Kensington Lock Slot

Internet and Bluetooth

There are three options available for WiFi.  The particular configuration we reviewed came with an Intel Centrino Ultimate-N 6300 (Puma Peak) 3x3 AGN wireless card that can theoretically reach a connection speed of as high as 450 Mbit/s.  This wifi card has greater signal range than that of the other configurations available.  UMTS is usually available but wasn't built-in in our test model, but since all W520 models are equipped with antennae for UMTS, you shouldn't have to tinker with too much to get it working. The interface for the UMTS module can be found after removing the keyboard.  A guide for doing this can be found on Lenovo's support site.  You can also connect an mSATA SSD to this PCIe slot, but only one device can be attached at a time.

Other than that, you can also use the gigabit Ethernet connection to get online or (if need be) even the modem port.  The W520 also comes with Bluetooth 3.0.


Trusted Platform module, fingerprint reader, BIOS password, password manager and a smartcard reader (optional) should be enough to keep your data secure.


The benefits of keeping the variety of ports the same as previous W-series ThinkPads can really be seen in the accessories that are offered.  The add-ons available when purchasing the new W520 ThinkPads include batteries, docking stations and peripheral devices compatible with the bay housing the removable DVD drive, hard drive bay adapter (app. 50 euro), Mini Dock Plus Series 3 docking station with 2x DVI, 2x DP, 6x USB 2.0 and eSATA among others (app. 150 Euro). For extra batteries available, see the "Battery Life" section.


As is typical for business laptops, ThinkPads of the W-series come with a 36-month manufacturer's warranty.  There are various extended warranties available, like for example,  4 years of on-site service for around 230 Euro.

Input Devices

Keyboard, Touchpad, Pointing Stick

The keyboard, touchpad and pointing stick (trackpoint) in the ThinkPad W520 are the same as those in the W510 and the T520.    Very good quality, nice for typing for hours on end.  The downside is the lack of a dedicated number pad, which really should be included in an office notebook but isn't available in any configuration of the W520.  The reason for this is quite clear, the speakers are placed on either side of the keyboard, leaving no room for a number pad.  Lenovo really could have found a more convenient place for the speakers.

No Dedicated Number Pad
No Dedicated Number Pad
FN & Ctrl Keys Switched
FN & Ctrl Keys Switched
Comfortable Arrow Keys
Comfortable Arrow Keys
Page Up & Page Down above Backspace Key
Page Up & Page Down above Backspace Key


According to the specs, Lenovo is offering three different screens for the ThinkPad W520.  HD (1366x768), HD+ (1600x900) and full HD (1920x1080). Retailers are advertising the W520 as coming only in the two higher resolutions, but in Lenovo's online shop, we spotted the lower resolution WXGA display available in the entry-level configuration.  Graphic designers might also be interested in the model with a colorimeter (ThinkPad W520 NY43JGE).

The model we reviewed came with a full-HD display with a matte screen in the typical widescreen 16:9 aspect ratio.  The pixel density comes to 141 dpi, making it easy to see many windows at once.  Compared to the older models with an aspect ratio of 16:10 and a resolution of 1920x1200 pixels, the new W520 has 120 less vertical pixels which might be missed when editing documents or photos among other tasks.  The size of font and folder icons might look too small in the full HD resolution at a display size of 100%, but this can be easily adjusted in the system settings.  With the display size at 125%, these icons are easy to recognize.

Distribution of brightness
Gossen Mavo-Monitor
Maximum: 236 cd/m² Average: 217.9 cd/m²
Brightness Distribution: 87 %
Center on Battery: 236 cd/m²
Contrast: 656:1 (Black: 0.36 cd/m²)

The screen brightness can be adjusted in 15 increments from 3 cd/m² up to 236 cd/m².  At increment 13, the brightness is a workable 143 cd/m², but dropping down one notch to level 12, the actual brightness drops by a whole 100 cd/m².

At maximum screen brightness, there's no spot on the screen that measures less than 200 cd/m².  Among the nine sections of the screen at which we measured display brightness, it ranged from 206 cd/m² to 236 cd/m².  This is fairly bright and not too far off from the 270 cd/m² claimed by Lenovo.  The average screen brightness of 218 cd/m² keeps the picture easily visible indoors or in shady spots outside.  The matte screen is really helpful here, keeping the screen from reflecting surrounding light.  Indoors, a brightness value of 140 cd/m² is usually enough thanks to the matte screen.

TP W520 vs AdobeRGB (t)
TP W520 vs AdobeRGB (t)
TP W520 vs sRGB (t)
TP W520 vs sRGB (t)

There's no choice but to keep the brightness all the way up outdoors, but even here the matte screen does a good job of keeping the picture visible since no reflections overwhelm the contents of the screen.  This combined with a good contrast ratio of 656:1 makes print easier to read, photos more vibrant and films altogether sharper-looking.  The black level especially profits from the high contrast ratio, making blacks appear more saturated and rich than is the case with most consumer laptops.

What's more, the incredibly broad color space—that goes above and beyond that of typical 08/15 notebook displays—can sometime actually display the wrong shades of colors.  The sum of all colors adds up to 1134904, placing it below Adobe RGB but far above sRGB.  Before being calibrated, the particular shades displayed make for an unnatural-looking picture.  With the help of a colorimeter, the colors can be adjusted to your personal tastes or tasks you'll be doing.  Especially in the green-blue and orange-red sections of the color spectrum, there's a good deal of far-too-specific hues that show up on the display.  The green-yellow section is in turn underrepresented and can't cover that part of sRGB.  All in all, the color space covers a great deal but sometimes mismatches colors.

The display offers more viewing angles than most laptop screens.  Looking at the screen from the left or right, the picture remains undistorted even at sharper angles. But when tilting the screen back and forth, the picture soon develops a red or yellow tone to it.  Only at extremely sharp viewing angles beyond 85º away from the ideal viewing angle do colors look inverted or the picture overexposed.

Viewing Angles Lenovo ThinkPad W520
Viewing Angles Lenovo ThinkPad W520


At the heart of the W520 we have a Sandy Bridge chipset from Intel, new and improved after a recall because of a faulty SATA 3 Gbit/s channel.  The issue has  since been resolved and all chipsets in laptops currently sold are new and should be free from this defect—also true for the W520 model we reviewed.  The CPU here is a quad-core i7-2820QM having most of the current features available in CPUs. Hyper-threading (virtualization, four additional virtual cores), TurboBoost (overclocking from 2.3 GHz up to 3.4 GHz during single-core use), and 8 MB L3 cache sum up the main features that effect processor performance.  The 8 GB DDR3 RAM our test machine came with are spread across 2 of the 4 available RAM slots.  With two more RAM chips, you can achieve 16 GB of memory, or replace all the chips for a maximum of 32 GB once 8GB RAM chips are available in the near future.

The Nvidia Quadro 2000M graphics card comes with 2 GB DDR3 V-RAM and a 128-bit memory channel.  The GPU runs at a clock rate of 550 MHz and its 192 shaders (CUDA cores) run at 1100 MHz.  The GPU here is most similar to the Nvidia Geforce GTX 460M, but the Quadro 2000M in this laptop is particularly designed for CAD applications.  The specialized Quadro drivers and firmware make for stable performance and compatibility with a good deal of professional software.  That's what the ISV certification mentioned in the Pro/Con section refers to, that is, the ThinkPad W520 can smoothly run software like Catia, AutoCAD, ProEngineer and such.

Systeminfo CPUZ CPU
Systeminfo CPUZ Cache
Systeminfo CPUZ Mainboard
Systeminfo CPUZ RAM
Systeminfo CPUZ RAM SPD
Systeminfo GPUZ Intel
Systeminfo GPUZ Nvidia
Systeminfo HDTune
System Properties Lenovo ThinkPad W520
iTunes File Conversion
iTunes File Conversion

The usual performance tests we ran yielded the good results we hoped for.  The Core i7-2820QM CPU's position as tenth best in overall CPU performance is not unwarranted, and discounting desktop CPUs, it's second best of all the CPUs we've tested.  wPrime 1024m is completed in 281s, superPi 32m in 627s.  The Cinebench R11.5 benchmark awards the processor 5.57 points and the Cinebench R10 Multi-CPU benchmark—19,991 points.  Hardly any notebooks can top these values.  Also, in the iTunes file conversion from MP3 to AAC format, the i7-CPU really stands out here converting at a speed of 46.1x.

No CPU throttling—which was the case with some MacBook Pro laptops—was found during testing with the Thinkpad W520, neither because of high CPU temperatures nor due to too small a power supply.

The graphics performance is also pretty impressive, especially because the DDR3 graphics memory combined with the 128-bit memory bus can lead to reduced the performance.  But the results really speak in favor of the Quadro 2000M. 11,656 points in 3D Mark '06, 8614 points in 3D Mark Vantage and 1263 points in 3D Mark 11—comparable to the scores of the Nvidia GT 555M and the AMD Radeon HD 6770M.  In the OpenGL Shading test in Cinebench R10 64bit, the GPU once again earns 6768 points and 38.30 points in R11.5 GL.

Performance while on Battery Power

While the laptop was unplugged, the system didn't manage to keep this high level of performance going for very long.  By default, the performance of the hardware is limited by the BIOS ("battery optimized").  For one, the clock rate is set to 800 MHz, and only rises a bit every now and then.  You can get around the BIOS restriction for a short while by setting the system to "maximum performance" and for app. 5-10 minutes the regular base clock rate of 2.3 GHz is restored before dropping back down to 800 MHz (Battery Eater Classic).

To see the effect of this reduced clock rate in action, we ran some of our benchmarks again on battery power.   This time we got results about 40% to 70%lower than when the laptop was plugged in.  There BIOS restriction most likely serves to protect the battery.  That is, the battery heats up too much when the hardware is running at normal capacity and—besides reducing the lifespan of the battery—this might become a safety issue.  We've contacted Lenovo concerning this limitation.  Once we get a response, we'll edit it in here.

Benchmark Performance Plugged In Performance on Battery Power
Cinebench R10 64bit single CPU 5232 1338
Cinebench R10 64bit multicore CPU 19991 5017
Cinebench R10 64bit OpenGL 6768 2713
wPrime 1024m 627s 1019s
Heaven 2.1 19.8 fps 4.5 fps
3D Mark 11 1428 494
Performance Profile High Performance High Performance
DPC Latency Checker Lenovo ThinkPad W520
DPC Latency Checker

The DPC Latency Checker shows that drivers tend to be very compatible with the Lenovo ThinkPad W520—meaning that there shouldn't be any delayed feedback to  peripheral devices.

Windows 7 Experience Index
Calculations per second
Memory (RAM)
Memory operations per second
Desktop performance for Windows Aero
Gaming graphics
3D business and gaming graphics
Primary hard disk
Disk data transfer rate
Cinebench R10 Rendering Single CPUs 64Bit
5232 Points
Cinebench R10 Rendering Multiple CPUs 64Bit
19991 Points
Cinebench R10 Shading 64Bit
6768 Points
Cinebench R10 Shading 32Bit
Cinebench R10 Rendering Multiple CPUs 32Bit
Cinebench R10 Rendering Single 32Bit
Cinebench R11.5 OpenGL 64Bit
38.3 fps
Cinebench R11.5 CPU Multi 64Bit
5.57 Points
PCMark Vantage Result   8614 points

SPECviewperf 11

The benchmark SPECviewperf 11 simulates a blend of the most common CAD programs.  Above all, OpenGL characteristics of the graphics card are examined here.  The benchmark was designed particularly with the Nvidia Quadro 1000M and Quadro 2000M in mind, which are the GPUs available for the ThinkPad W520.

The W520 we reviewed held its own in this test.  Compared to many previous generation workstations from various manufacturers, we observed an increase in performance in almost all areas.  The Quadro 2000M manages to rank in 1st in some programs.  The development of drivers since the release of earlier models should also be taken into consideration since we've seen boosts in performance stemming from driver updates in the past.  The brand new Quadro 2000M should, therefore, have a bright future if experience serves as any indicator.  On top of that performance drivers and special drivers for AutoCad and 3ds Max are available but have not been tested by us.  Especially the special drivers for AutoCad and 3ds Max have been known to lead to even better performance.

Video Conversion

As for converting video on the ThinkPad W520, the Sandy Bridge generation allows for two additional methods besides resource-demanding CPU-rendering.  While Nvidia has typically been very quick and smooth in converting video using a CUDA engine, Intel is now a considerable alternative with its Quicksync technology. This is, however, only possible if the integrated Intel GPU remains active since Intel drivers are responsible for carrying out the task.  Notebooks in which the integrated graphics card is never active—that is, the dedicated graphics card does everything—Quicksync won't work.  In this case, installing an appropriate driver for it later on is unfortunately not an option.

We tested video conversion using Badaboom from Elemental.  This software gave us the option of converting the film "Se7en" from DVD to an iPhone-compatible mp4 format with a lower resolution of 427x320.  We used to use Badaboom 1.2.7, but starting with this review we've switched over to the current version 2.0 which now also supports Intel Quicksync.  A quick performance comparison of the two versions showed the new version is marginally better than the old, so the results aren't biased toward the new version.)  The Quicksync results are astounding.  Although Nvidia's CUDA Engine has been doing video converting for years, Intel's new Quicksync easily trumps it.  While CUDA takes 16 min 34 s (183 fps) for the conversion, Quicksync manages to finish in a shorter 13 min 30 s (225 fps).  When the laptop is unplugged, however, this difference in performance was not observed.  With Quicksync, the CPU load remains at around 70%, while using CUDA results in a CPU load of only 25%.  Those who'd like to perform other tasks while converting video might, therefore, want to keep on using the Nvidia graphics card with CUDA for this.  The difference in power consumption between the two methods is discussed in the "Battery Life" section.

Video Conversion with Badaboom
Video Conversion with Badaboom
SPECviewperf 11
SPECviewperf 11
3DMark 05 Standard   21287 points
3DMark 06 Standard   11656 points
3DMark Vantage P Result   6608 points
3DMark 11 Performance   1428 points
Seagate Momentus 7200.4 ST9500420AS
Transfer Rate Minimum: 40.5 MB/s
Transfer Rate Maximum: 101.6 MB/s
Transfer Rate Average: 76.8 MB/s
Access Time: 17.3 ms
Burst Rate: 59.1 MB/s
CPU Usage: 1 %

The hard drive here is a model from Seagate with a storage capacity of 500 GB, a 16 MB cache and the hard disc spinning at 7200 RPM.  The transfer rates go beyond 100-MB/s with an average of 76 MB/s.  This is very good for a conventional HDD, but newer solid state drives (SSDs) transfer data much faster.  The hard drive of the W520 can be upgraded in many ways, however: choosing an SSD instead of an HDD, purchasing an mSata SSD for a PCIe slot (must forgo UMTS module), removing the DVD drive and replacing it with hard drive (connected via a hard drive bay adapter), etc.  Depending on the multiple hard drive combination you choose, you can connect them either via Raid 0 (faster) or Raid 1 (each piece of data on both hard drives).

Gaming: Verdict

You don't have to worry whether this powerhouse of a laptop will be able to run the most recent games.  Out of all the titles we tested, only Battlefield Bad Company 2 runs just a tad bit choppy at 23 fps with graphics set to max. and in a full-HD resolution.   Although its been hinted that graphics cards intended for professional applications might have compatibility problems with games, we observed no such indication for the games we played on the ThinkPad W520.  For a comprehensive side-by-side analysis of various notebook graphics cards' gaming performance, have a look at our GPU comparision chart.

  low med. high ultra  
Anno 1404 (2009)       43 fps
CoD Modern Warfare 2 (2009) 200.3 74.8 59.5 37.6 fps
Battlefield: Bad Company 2 (2010)   64.6 46.9 22.8 fps
StarCraft 2 (2010) 165 82 45 37 fps
Mafia 2 (2010) 92 71 59.1

Technical data

This Is a Used Product Yes
30 days replacement warranty &1 year labour warranty . Yes
manufacturer warranty No
Imported Products we pack safely box wont Come import model
500 RS ADVANCE TO PAY FOR COD delivery 5days TIME Yes

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