Asus 14" E403NA-US21 VivoBook

Model #E403NA-US21

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Graphics Type Integrated
Memory Type DDR3 SDRAM
Memory Speed Not specified by manufacturer
Onboard Memory 4 GB
Available Memory Slots Not specified by manufacturer
Graphics Card Intel HD Graphics 505
Processor Intel Pentium N4200 Quad-Core
Base Clock Speed 1.1 GHz
Max Boost Speed 2.5 GHz
Total Installed Memory 4 GB

Input/Output Connectors

Ports 1 x USB 3.0 Type-C1 x USB 3.0 Type-A1 x USB 2.0 Type-A
Display 1 x HDMI
Audio 2 x Integrated Speaker1 x Integrated Microphone1 x 1/8" (3.5 mm) Headphone/Microphone Combo Jack
Expansion Slots Not specified by manufacturer
Media Card Slots SD


Weight 3.3 lbs / 1.50 kg
Dimensions (W x H x D) 13.3 x 0.7 x 9.3" / 33.8 x 1.8 x 23.6 cm
Pointing Device TouchPad
Keyboard Type: Standard Notebook Keyboard
Security Not specified by manufacturer
Operating System Windows 10 Home


Total Capacity 128 GB
Available Slots Not specified by manufacturer
Optical Drive None
Solid State Storage 1 x 128 GB Integrated eMMC


Finish Matte
Native Resolution 1920 x 1080
Touchscreen None
Aspect Ratio 16:9
Size 14"
Panel Type LCD


Network None
Modem None
Wi-Fi 802.11ac; Dual-Band
MU-MIMO Support Not specified by manufacturer
Bluetooth Bluetooth 4.1
Mobile Broadband Not specified by manufacturer
GPS Not specified by manufacturer
NFC Not specified by manufacturer
Webcam User-Facing


Chemistry Lithium-Ion
Watt Hours / Type 57 Wh
Cells 3
Maximum Runtime Not specified by manufacturer
Power Supply Not specified by manufacturer
Expert Reviews
Laptop magazine.32818572
26 September 2017

The VivoBook E403NA is a great value, with solid performance, good build quality, a full-HD display and over 8 hours of endurance. It's unfortunate, however, that the E403NA is a couple of steps behind its now-discontinued predecessor, with an hour less of battery life, a USB-C port that doesn't...

User Reviews
23 February 2018

Seems like a decent laptop. Nice design. The wireless ac card in mine is awful. Only reaches a few feet from my netgear nighthawk 3200, a premium router. The CPU maxed out to 100% while only installing Google chrome.

Micro center.34865720
25 October 2017

Granted the emmc is kind of like having a SATA2 SSD (scores around 200 Mbps) However, this VivoBook gives me the full experience of a laptop with the convenience of a tablet. It's small, light weight, fanless, and the battery last all evening. It's pretty fast overall.

5 March 2018

This computer is great with light weight. I like this laptop.

24 February 2018

The N4200 processor just isn't powerful enough to provide a good experience on this machine. It's probably ok for web browsing and Word editing, but nothing serious. And I found myself wanting more than 4 GB ram.

21 February 2018

It didn't came with the ID Touch.

14 February 2018

Lightweight, fast, with a long battery life. Should be easy to cart around and not worry about losing power till you get home. But I'm old fashioned, I wish it had a cd drive.

3 February 2018

Just purchased the 64gb unit. When I inserted a 64gb SD card into the E403NA SD slot for added storage, the card does not install flush, instead protrudes out of the unit about 3/4-inch. That means an SD card cannot remain in the unit full time which is very inconvenient, to say the least.

3 February 2018

Slow, unstable, waste of money, non-upgradable.....

30 January 2018

I like the sleek design and the long battery life. The only cons are that the webcam quality sucks and there isn't a backlight for the keyboard.

29 January 2018

Be prepared to RMA it within a few months. Don't believe me? Google "VivoBook blank screen" and be amazed at the sheer quantity of people having the same experience... over a few years.

Product Highlights
  • 1.1 GHz Intel Pentium N4200 Quad-Core
  • 4GB of DDR3 RAM | 128GB eMMC Storage
  • 14" 1920 x 1080 Matte Display
  • Integrated Intel HD Graphics 505
  • SD Card Slot
  • 802.11ac Wi-Fi | Bluetooth 4.1
  • USB 3.0 Type-C | USB 3.0 Type-A | HDMI
  • Windows 10 Home (64-Bit)
In The Box
  • ASUS 14" E403NA-US21 VivoBook
  • Power Adapter
  • Limited 1-Year International Warranty (Includes 1-Year Accidental Damage Protection, 30-Day Zero Bright Dot, & 24/7 Tech Support)
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