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alaTest has collected and analyzed 230 reviews of ASUS ZENBOOK Prime UX21A. The average rating for this product is 3.8/5, compared to an average rating of 4.1/5 for other Laptops for all reviews. Opinions about the price and keyboard are generally positive. The screen and design also get good reviews. Many are critical about the reliability and size, while views are divided on the usability.

performance, design, screen, keyboard, price

connectivity, size, reliability

We analyzed user and expert ratings, product age and more factors. Compared to other Laptops the ASUS ZENBOOK Prime UX21A is awarded an overall alaScore™ of 86/100 = Very good quality.

See all ASUS Laptops

Review analysis

(Based on 230 reviews)

Expert Reviews  

User Reviews  

Showing 2 review(s)

Expert Reviews User Reviews
Showing 1 - 2 of 2 Show Reviews: in English | in other languages (226)

Expert review by: (

Review Asus Zenbook Prime UX21A Ultrabook


Full HD peanut. The tiny Asus Zenbook Prime UX21A features an 11.6-inch display and a class-leading resolution of 1920x1080 pixels. The other specs are noteworthy as well: Intel Core i7 Ivy Bridge dual-core processor, SSD, backlit keyboard, and a...

Low weight & slim chassis, Premium aluminum unibody chassis, Not a "bare bones" system, System fan can is accessible for cleaning, High quality input devices, Non-glare Full HD display (1920 x 1080 pixels), Convincing display measurements, Backlit...

Port selection could be better, Not very expandable, Noisy under load, The ability to use mSATA Solid State Drives. The proprietary connector is too restrictive

Nov, 2012

Expert review by: Anand Lal Shimpi (

ASUS Zenbook Prime (UX21A) Review: The First of the 2nd Gen Ultrabooks


The first round of Ultrabooks were mostly underwhelming. It shouldn't be a surprise, but many of the efforts were just half hearted at best. Of the companies who shipped the first Ultrabooks however, it was ASUS who came the closest to perfection with...

May, 2012

Product Specifications


Convertible: No
DVD Writer: No
Embedded 3G/4G: No
Fingerprint Reader: No
Hard Drive Type:Flash Hard Drive
Remote Control: No
TV Card: No
Video Editing Card: No
Web Cam: Yes


Bluetooth: Yes
Card Reader:Single Card Reader
Firewire: No
TV Output: Yes
WiFi Connectivity: Yes
Wireless LAN: Yes


Aspect Ratio:16:9
LED Backlight:Edge LED
Touchscreen: No
True Resolution:Full HD

General Features

Intel ® Centrino Technology: No
Media Centre Edition: No
Operating System Version:Windows 7 Home Premium / Windows 8


Brand of Graphic Chip:Intel ®
GPU Model (Graphic Card):HD GRAPH. 4000


Chipset Brand:Intel®
Chipset Type:HM76
Processor:Core™ i7
Processor Brand:Intel ®
Processor Number:I7-3517U