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ASUS Zenbook UX21E-DH52 11.6-Inch Ultrabook (OLD VERSION)

by Asus
46 customer reviews

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  • Intel Core i7 Processor 1.8GHz
  • 128GB Hard Drive
  • 11.6-Inch Screen, HD Graphics
  • Windows 7 Home Premium
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Product Description

Product Description

11.6" (1366x768) LED / i-7 2677M Dual Core (1.8GHz) / 4GB DDR3 / 128GB SSD / Windows 7 Home Premium (64bit) / 802.11BGN / Bluetooth 4.0 / 1 USB 3.0 Port / 1 USB 2.0 Port / 6 Cell Battery / Micro HDMI / .67" Thin and only 2.42lbs / 1YR Global Warranty / 1YR Accidental Damage Protection / 30-Day Zero Bright Dot / 24-7 Tech Support

Design. Love. Zen

It looks like nothing you've ever seen. It feels like nothing you've ever felt. It's breathtakingly beautiful. It's ultra-thin – with a minimum thickness of only .12". It's ultra-light – the brushed aluminum alloy body weighs only 2.43lbs. It's ultra-fast – powerful 2nd Generation Intel® Core i7 processor, SATA 3.0 SSD and USB 3.0. It resumes active mode in just 2 seconds, and the SonicMaster Audio delivers astounding sound. Introduce yourself to the most incredible Ultrabook, the ASUS ZENBOOK – it will be love at first sight.

Design. Love. Zen

Key Features

  • Spun metal and hairline aluminum finish throughout the entire chassis that only measures a minimum thickness of .12" and weighs only 2.43lbs (Learn more)
  • 2nd Generation Intel® Core i7-2677M processor with Intel Turbo Boost 2.0 Technology for smart multitasking that automatically senses what you're doing and boosts performance
  • ASUS exclusive Super Hybrid Engine II with Instant On 2-second resume, double the standby time, automatic data backup and recovery, and 25% longer battery life (Learn more)
  • SATA 128GB solid state drive for an amazingly smooth and fast computing experience (Learn more)
  • SuperSpeed USB 3.0 for quicker device charging and up to 10x faster transfers than USB 2.01 (Learn more)
  • ASUS SonicMaster Technology co-developed by world-renowned audio experts at Bang & Olufsen ICEpower® increases audio performance with lifelike surround impact (Learn more)

  • Learn More

    Incredible Beauty

    Incredible Beauty
    View Large
    The ASUS ZENBOOK UX21E-DH71 is meticulously designed and engineered to achieve the thinnest profile and lightest form factor of any ultrabook, all while accommodating the latest technology in a harmonious marriage of power and art. Elegant and durable aluminum with a hairline spun finish reflects a cool, infinite look of limitless depth. The ASUS ZENBOOK UX21E-DH71 measures a minimum thickness of only .12" and weighs only 2.43lbs.

    Incredible Responsiveness

    Incredible Responsiveness
    View Large
    Exclusive ASUS Super Hybrid Engine II with Instant On enables 2-second resume of the notebook from sleep, with up to two weeks of standby time with open files and other pending data kept safe in memory. Plus, automatic data backup when the battery reaches 5% charge further helps secure your work. The ASUS ZENBOOK UX21E-DH71 keeps energy saving front and center with a dedicated Battery Saving Mode, which conserves power whenever possible to increase battery life by as much as 25%.

    You're also always in the know when it comes to the battery thanks to ASUS PowerWiz, a utility that shows exactly how much charge is left per application – web browsing, gaming, movie watching and more. The ASUS ZENBOOK UX21E-DH71 combines power, efficiency, smooth usage and user empowerment, all on in one sleek package.

    Incredible Performance

    Incredible Performance
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    ASUS is proud to deliver the world's first ultrabook with SATA 128GB solid state storage, making for an amazingly smooth and fast computing experience. Additionally, the ASUS ZENBOOK UX21E-DH71 ships with SuperSpeed USB 3.0 as standard, multiplying the transfer rates of current USB 2.0 by as much as a factor of ten!1

    Incredible Audio

    Incredible Audio
    View Large
    Another ASUS exclusive, SonicMaster technology was co-developed with Bang & Olufsen ICEpower® to deliver breathtaking, lifelike audio that far exceeds the limitations of conventional notebook PC sound performance. Deeper, more impactful and wider in range, SonicMaster delivers four times the sound output of other ultrabooks without increasing the size or weight of the form factor.

    Relax, ASUS Has You Covered

    Ranked as the #1 most reliable PC brand by 3 independent sources,2 readers and editors alike choose ASUS as their trusted notebook and netbook. ASUS tirelessly strives to exceed expectations of quality to ensure you an unmatched peace of mind every time you start your PC.

    This notebook also comes with the industry's most comprehensive warranty.

    1 Year ASUS Global Warranty3

    Offers a level of coverage that would add hundreds of dollars to the price of competing laptops:

  • 1 year global warranty
  • 30 flawless display guarantee
  • 2-way free standard shipping
  • 24/7 tech support

  • 1 Year Accidental Damage Protection (ADP)3

    Whether your notebook is damaged by accidental spills, drops, electrical surges, or fire, ASUS will fix it or replace it for you during the first year after purchase.

  • Covers accidental drops, spills, power surges, and fire damage
  • Target 3 business day turnaround time for repair / replacement; not including receiving and shipping time
  • 1-way shipping (from ASUS to the user) at no additional cost
  • 24-hour toll-free phone support

  • What's in the Box

  • Notebook Carrying Bag
  • AC Adapter
  • 6 cell Battery Pack
  • Warranty Information Card


  • Operating System: Windows 7 Home Premium (64-bit)
  • Display: 11.6-inch HD display (1366 x 768)
  • CPU: 2nd Generation Intel Core i7-2677M Processor (Turbo Boost up to 2.9Ghz)
  • Graphics: Intel UMA
  • Wireless: 802.11 b/g/n (@ 2.4GHz)
  • Bluetooth: BT 4.0
  • Memory: 4GB DDR3
  • Storage: 128GB Solid State Drive
  • Camera: 0.3 megapixel
  • Speakers: Stereo Speakers powered by Bang & Olufsen ICEPower®
  • Microphone: Microphone
  • Input / Output:1 x Mic-in/ Headphone-out, 1 x mini VGA port for external monitor, 1x micro HDMI, , 1x USB 2.0 ports, 1x USB 3.0 1x micro HDMI
  • Battery: 6 cell
  • Dimensions: 11.77 x 7.72 x 0.12 ~ 0.67 -inches (W x D x H)
  • Weight: 2.43lbs (with 6 cell battery)
  • Color: Silver
  • © 2011 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications and terms are subject to change without notice. Please check with your supplier for exact offers on selected models. Products may not be available in all markets. Product may not be exactly as shown in photos.

    1 All figures theoretical values compared to USB 2.0 benchmarks for reference purposes. Actual speed depends on device and system status.
    2 Rated number 1 PC brand according to SquareTrade, the leading direct-to-consumer warranty company (for more information visit ). Rated number 1 reliable PC maker in Q2 2010's RESCUECOM report
    3 ASUS reserves the right to exclude certain SKUs; check with your retailer to confirm coverage of specific models. Valid for notebooks purchased in the US and Canada only. Certain retailers do not participate in ADP coverage. For complete details, please visit:

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Product Information

Expand all Collapse all Technical Details
Screen Size11.60 inches
Screen Resolution1366 x 768
Max Screen Resolution1336 x 768 pixels
Processor1.8 GHz Intel Core i7
Memory Speed 1333 MHz
Hard Drive0 GB SATA
Graphics CoprocessorIntel HD Graphics 3000
Chipset BrandIntel
Card DescriptionHD Graphics 3000
Number of USB 2.0 Ports 1
Number of USB 3.0 Ports 1
Brand NameAsus
Item model numberUX21E-DH71
Hardware PlatformPC
Operating SystemWindows 7;
Item Weight2.4 pounds
Item Dimensions L x W x H11.70 x 7.70 x 0.67 inches
Color Silver
Processor BrandIntel
Processor Count2
Computer Memory TypeSODIMM
Flash Memory Size128
Hard Drive InterfaceSerial ATA
Optical Drive TypeNo
Audio-out Ports (#)1
Battery TypeLithium Polymer (LiPo)
Power Source100 - 240 V AC
Voltage19 volts
Additional Information
Best Sellers Rank #28,209 in Computers & Accessories (See top 100)
Shipping Weight6 pounds
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableOctober 12, 2011
Warranty & Support Return Policy: You may return any new computer purchased from that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellableRead more condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.

Product Warranty: For warranty information about this product, please click here

Customer Reviews

Most Helpful Customer Reviews

168 of 184 people found the following review helpful By Gao Atamazon on October 17, 2011
This is a significant product, and a long-awaited one. Previously, if you wanted to have a notebook like MacBook Air, you'd be forced to switch to Mac regardless of how much of a Windows person you were. Nothing else on the Windows side was really even remotely comparable. Now, this is the first real alternative in the Windows camp.

Is it better than the MacBook Air? It depends. If you are a Windows person, it is. Previously, you had to be seriously biased to say any Windows-based laptop in the ultracompact category is better than the MacBook Air. Now, that can be an honest assertion. But if you are a Mac person, you might still say the MacBook air is better, which could be a debatable assertion, but a respectable one.

To me, ZenBook is better than the MacBook air, even if I objectively lay aside the operating system difference, because for my personal preferences I give a higher value to some of the strong points of Zenbook, especially its thermal performance. Your preference may be different.


(1) COMPUTING PERFORMANCE - First of all, in terms of the primary computing performance, including the CPU and memory performance, they're very similar, and both are very good. Asus' own tests say that the Zenbook is faster, but I don't feel much of it. This is, however, mainly because both are so fast. Comparing the speed of the CPU and memory of these two computers really has very little practical meaning. Only labs would be interested in doing that. Who is going to choose a computer over another because one opens up Microsoft Word in 1.5 seconds versus the other's 1.7 seconds? You see what I mean.

ZenBook does have much faster data transfer through its USB 3 port.
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35 of 36 people found the following review helpful By S. Smith on November 20, 2011
Verified Purchase
Summary: The Zenbook is exactly what I had in mind when I needed a lightweight, low maintenance portable to carry on business trips with me. Tablets or netbooks were not an option because of their limited capabilities and inadequate performance.

The Zenbook is very pleasant to look at and different, but not difficult to use- in fact, my experience has been enjoyable. I've not experienced any problems described by other reviewers. Perhaps Asus is listening and my machine is a reflection of that.

I was surprised at the negative comments on engineering design, choice of components, etc. The emphasis on the keyboard and touchpad are understandable in that they are different - the manual explains how to use the keypad and what to expect. I've had electrical "pops" on many laptop chargers, and this one did so about 5% of the time. Asus provides a solid warranty on its laptops. And, I have dealt with their support organization before on warranty work and service calls, with positive results, except one, where it took time for them to find a replacement laptop - the outcome was satisfactory.


1. The Elan touchpad works very well and has a sensitivity region that shrinks in size when you are typing on the keyboard so that you don't accidentally activate the touchpad while typing.
2. While a source of complaints, the keyboard and keys definitely enhance the look. Keys provide positive feedback with a "tactile click" created by the key giving way when it is pressed down far enough. It's also reliable - key presses that failed were not the computer's fault.
3. When done working, I just close the lid on the machine to suspend my work - (it has "sleep" rather than "shutdown" as the default option to power off your computer).
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58 of 66 people found the following review helpful By David White on November 5, 2011
I bought this beautiful ultrabook at Frys last week and kept it for 5 days. I actually bought it right off the back of the truck that had just arrived. I was truly excited to get this machine(BUT): The keyboard is truly bad. The trackpad started off bad until I realized I needed to run an update from Asus to get all the drivers updated. The trackpad improved greatly with the updated driver, yet is still FAR lacking compared to a MacBook trackpad I do not know why).

Back to the keyboard. No driver can fix this keyboard. The keys are flat on top. The keys sit very close to the surrounding material underneath. You can push a key at the corner and touch the underlying material and not register a key push. I cannot replicate this on any other keyboard I have in the house. This means you bottom out the key before it registers the key push. Bottom line: you miss every fifth letter unless you hit the key right in the middle. I like to keep my job and I need to spell correctly. Therefore:

I took this machine right on back to Frys. The machine is truly beautiful (prettier than the MacBook Air). The sound from the speakers is very nice and it is much quieter than the MacBook Air (which we also own) because the implementation of the internal fan is much better on this Asus machine. The screen is nice too.

The keyboard sucks though and the trackpad is merely passable. I hated to take it back, but how Asus turned this into the Anus with a keyboard that doesn't work is beyond me. What screwed up committee let this happen?
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